Important Note for Assignments

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Nov 2, 2013 (3 years and 10 months ago)

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Important Note for Assignments


1.

All Candidates must fill the following details and send with Assignments to CIDC,
Nehru Place



Candidate Name

-


Roll No


-


Batch



-


Semester


-


Branch


-


Medium


-


Centre



-


Subject



-


Assignment No

-


Date



-

Candidate Signature

-

2.

The Assignments send without this sheet would not be taken into Consideration.

3.

The Last date for Submission of 1
st

Assignment is
09
/0
6
/2013
and for 2
nd

Assignment
is
31/08/2013
. Assignments received after due date, will get
rejected.



Basic Electronic
s (Electrical, III
rd

Semester)

Assignment I upto Mid


Sem Exam

M.M.=100

Q1.

Objective type question.

(1)

The unit of resistance
is………….







(5)

(2)

The electronic c
omponents which can process the

signal are called
------

components.

(3)

The third colour bond an a resistor

is called
-------

bond.

(4)

Diode is used as a


(a) Amplifier


(b) Filter


(c) Rectifier

(5)

The Depletion Voltage increases with
……………

Q2.

Define a capacitor and explain its main types and
applications.




(4)

Q3.

What is
I
nductor?
Give the unit of Inductance.






(3)

Q4.

Explain colour coding of
resistors.







(3)

Q5.

Define the ideal current Source and draw its symbol.





(4)

Q6.

A 9.
v battery has

an internal resistance of 10 k

represent

it as a voltage source

and an
equivalent

current
source.








(4)

Q7.

Explain practical voltage source and current source and draw symbols.



(4)

Q8.


Define static resistance and dynamic resistance of a semi

conductor
diode.


(4)

Q9.

Draw the circuit diagram for a Bridge rectifies and explain
its working with the help
of input output wave forms.








(4)

Q10.

Write a short notes on the following:
-






(6)


(1) Zener Diode


(2) Varacter diode



(3) Light


emitting diode.

Q1
1
.

Fill in the blanks:









(5)

(i)

Germanium, Silicon and Carbon are
examples of ……………….. .

(ii)

The resistance of semi
-
conductor ……………….. With the increase in
temperature and Vice
-
Versa.

(iii)

A pure semi
-
conductor is called …………………. semiconductor.

(iv)

The electrons in the Outermost Orbit of an atom are called ……………
electrons
.

(v)

A transi
stor is a ………………….. Terminal device.

Q12
.

Describe energy bands in Conducting Materials.





(4)

Q13
.

Define Intrinsic and Extrinsic semi conductor.





(4)

Q14
.

Describe forward biasing of diode.







(4)

Q15
.

Draw the V
-
I characteristics of a diode.






(4)

Q16
.

Explain the term rectification. What is the use of rectifier?




(4)

Q17
.

Draw the circuit diagram for a bridge rectifier and explain its working with the help
of Input Output wave forms.








(5)

Q18
.

What is Breakdown Mechanism in diode,
Explain?





(4)

Q19
.

Write the Characteristics of Semi Conductor diode.




(4)

Q20
.

Write the working characteristics of Photo diode and its applications.


(4)

Q.21.

Draw the structures of NPN and PNP transistors, showing the emitter, base and
collector

regions. Label the three terminals.






(4)

Q.22.

Draw the three configurations for an NPN transistor and mark the direction of
currents.










(4)

Q.23.

Define, input and output characteristics of a transistor.




(4)

Q.24.

Sketch a typical output ch
aracteristics curves for an NPN transistor in CE
configuration and calculate the output resistance of the transistor.



(5)




Diploma Program
3
rd

Semester (Electrical)

Assignment
I
(upto Mid semester
)

Computer Programming
&

Applications

M.M.=100

Q1.

What is the difference b
\
w data & information?





(2)

Q2.

What is D.B.M.S? Write the functions of D.B.M.S.





(2)

Q3.

Define the following commands







(10)

a)

Appewd

b)

Browse

c)

Delete

d)

Pack

e)

Run


Q4.

What is the difference b
\
w sorting and indexing? Also specify the u
se of

Update
commands.










(2)



Q5.


What do you mean by 2


dimensional array? Explain giving an example.

(2)


Q6.

Write a program to sum the row of a 3


raw by 3
-

column matrix.


(2)


Q7.

What are a unary and binary operators? Explain by giving Example.



(2)


Q8.

Explain










(12)

a)

C character set

b)

Basic data types used in C

c)

Keywords used in C

d)

Identifier

e)

Variable

f)

Constant


Q9.

Write the programme to print factorial of a number.




(2)


Q10.

Explain the following fox Pro/Database commands.




(10)

a) Index

c) Select

e) Accept

b) Join


d) Find

Q.11.

Fill in the blanks









(5)

1)

Components of a database are ………… and ……….

2)

……. holds a single attributes value.

3)

……. command will invoke the assist menu.

4)

The contents of a memo field are stored in a special file with
extension …..

5)

The arithmatic operator …… is used to calculate the exponential value.

Q.12.

State True False









(10)


1) DISPLAY and LIST commands generate the same output.


2) COUNT command counts the no. of records in an active database.


3) Sort

command keeps the sorted records in a new database file.


4) You cannot activate multiple database file at the same time.


5) DO WIHLE is used for looping.


6) MODIFY COMMAND can also be written as MODI COMM.


7) CTRL + F8 is the short cut to run a

C program


8) Logical errors are detectable by the compiler.


9) Value of a variable cannot change during a program execution.

10) Increment operator is binary operator.

Q.
1
3.

Multiple choice questions








(10)


1) If a = 4,

a = 5




a = 7 then print f (“%d”, a) will print.



(a) 4







(b) 5



(c) 7







(d) 457


2) A relational operator is used to



(a) Compare values





(b) link values



(c) Differentiate different types of variables


(d) combine values


3) Rewrite
the fossowing using increment operator i = i + 1



(a) i + +






(b)

i
--

(c) i + + 1






(d) none of the above


4) Which of the following is formatted I/O function of C



(a) Getche

( )





(b) putch

( )




(c) Gets

( )





(d) print f

( )

5) The break statement causes an exist

(a) Only the inner most loop



(b) only from the innermost switch

(c) From inner most loop or switch


(d) none of the above.

6) Strings are handled in C as

(a) Strings only




(b) Int arrays

(c) None of abo
ve




(d) char arrays

7) Raw facts and figure are known as

(a) Information




(b) database

(c) Data





(d) both (a) and (b)

8) Space consumption of a logical field is

(a) 2 bytes





(b) 1 byte

(c) 4 bytes





(d) 3 byte

9) Records marked for deletion using DELETE command can be recovered using

(a) ZAP





(b) RECALL

(c) RECOVER




(d) both (b) & (c)

10)


C was developed in

(a) 1945





(b) 1972

(c) 1978





(d) 1970

Q14

What is official Automation? What are its advan
tages?





(2)

Q15

What is spread sheet? Write any 4 applications of spread sheet.




(2)

Q16

Define chart. Write the steps to create a pie chart?





(2)

Q17

What is the difference b/w Auto filter and advanced filter?




(1)

Q18

What is Auto CAD? Explain any 5 advantage
s of using Auto CAD application window
comments.










(2)

Q19

Explain the following. Auto CAD commands.






(6)

(a) LINE

(b) SPLINE

(c) HATCH

(d) ERASE

(e) LIMIT



(f) MIRROR

Q.20.

Write any 2 ways to Access and store data in an Array.





(2)

Q.21.

Accept 10 values in an integer array and print the number searched by user.



(2)

Q.22.

State True / False









(5)


(a) Computer have not proved effective in managing Transportation.


(b) +A1+A2 and = A1+A2 are similar functions.


(c) AUTOCAD is a prac
tical Example of CAD/CAM.


(d) Entering U at the command prompt will undo last line draw operation.


(e) These days’ computers are used to handle bank transaction, sitting at home.

Q.23.

Multiple choice questions.








(5)


(a)

Address of the first cell
in the worksheet is

(1) 1


(2) A


(3) A1


(4) 1AS


(b)

Which of the following is incorrect?

(1) Date can be queried using FORM feature of Excel

(2) Auto filter can be used to filter the date and copy at new location.

(3) Advance filters can be used to filt
er the date in place

(4) None of the above


(c)

Computerized accounting software can handle.



(1) Staff payroll




(2) Sales analysis



(3) Both 1 and 2




(4) None of the above

(d)

-----------

is a good way of self Assessment.



(1) Computer Aided Assess
ment

(2) Computer Mediated Assessment



(3) Computer Aided Assignments

(4) None of the above


(e)

= MOD (4.2) entered in a cell displays



(1)
-
1



(2) 1



(3)
-
15



(4) 0



Electrical & Electronics Engg materials

Assignment I

(Electrical III Semester)

Assignment upto mid sem Exam

M.M.=100

Q.1.

Explain briefly the classification of Engineering Materials.



(4)

Q.2.

Give short note on:








(6)



(i) Metallic Bonding



(ii) Covalent Bonding



(iii) Ionic Bonding

Q.3.

What are the factors affecting the r
esistivity of materials?



(4)

Q.4.

What are the important properties of a conducting material?



(3)

Q.5.

Why conductors are stranded? Give application of




(6)



(a) Nichrome



(b) Tungsten



(c) Platinum

Q.6.

Write a short note on super conductivity

and its future prospects


(4)

Q.7.

Explain the effects of Temperature on






(6)



(i) Pure Metals



(ii) Alloys



(iii) Electrolytes

Q.8.

Name various contact materials & their applications.




(4)

Q.9.

A potential difference of 100 volt emits
between the ends of a wire of length 200 cm
if its diameter is 0.15 mm and the current through it is 2A, calculate the specific
resistance of the wire material.







(4)

Q.10.

If the temperature coefficient of copper at 20
0
c is 0.004, determine its resist
ance at
120
0
c the resistance at 20
0
c is 25 ohm.






(4)

Q11.

State True/False:









(5)

(i)

The mass of an electron is
.

(ii)

Conductivity of Copper decreases when it is hard drawn.

(iii)

Gold has conductivity higher than Aluminium but lower th
an Silver.

(iv)

Silver alloys are widely used for making contacts.

(v)

The Bohr theory is the most reliable atomic theory.

Q12
.

What do you mean by “Dielectric”?







(3)

Q13
.

Why Semi Conductors are called by this name?





(4)

Q
1
4
.

What are inter

molecular bonds?







(3)

Q
1
5
.

Draw atomic structure of an atom of copper and Germanium.



(4)

Q
1
6
.

A heater element is made of nichrome wire having resistivity equal to

the diameter of the wire is 0.4 mm. Calculate the length of
the wire required to get a
resistance of 40
.










(4)

Q17
.

Why carbon is used for making brushes of D.C. Machines.




(3)

Q
1
8
.

Write down the properties and uses of Nichrome.





(4)

Q
1
9
.

Classify the alloys of Copper which are used as low resistivity materials.



(4)

Q
2
0
.

Calculate the length of filament of a lamp to have 0.4 mm dia and of 40

resistance,
If Nichrome (resistivity
) is used.





(4)

Q.21.

What are the various properties of semi conductors?




(3)

Q.22.

Explain how “P” type & “N” type semi conducting material formed.


(4)

Q.23.

Write short note on:









(4)


a)

Surface Resistance



b)

Dielectric Strength

Q.24.

Write down the c
hemical properties of Insulating Materials.



(3)

Q.25.

How temperature and Humidity effect Dielectric Strength?



(3)



Electrical

Engineering Design & Drawing


I

(Electrical III Semester)

Assignment
I
upto mid sem exam

M.M.=100

Q.1.

Draw a schematic
Diagram and wiring diagram for cone lamp controlled by two switches.











(7)

Q.2.

Draw schematic Diagram, wiring Diagram & single line diagram for two lamp points to be
controlled with one single way switch.







(7)

Q.3.

Draw the wiring Diagram and

schematic diagram for two lamp points and

one fan

point in a
room uniformly spared each controlled by one way switch.




(7)

Q.4.

Draw the circuit Diagram for a fluorescent tube with glow type starter.



(7)

Q.5.

Draw a schematic and wiring Diagram of a
simple bell controlled by one push button.


(7)

Q6.


Draw the Symbols for:








(5)

(vi)

Single way General Switch.

(vii)

Bell push.

(viii)

Three poles Switch (Iron clad).

(ix)

Socket Outlet 5A (3 pin).

(x)

Rewire able fuse.

Q
7
.

Draw the
Schematic diagram
, Wiring diagram and single li
ne diagram for One lamp
controlled by one switch.








(7)

Q
8
.

One lamp point is to be connected by two switches placed at two different places in
such a way that the lamp can be switched ON and OFF by either switch. (Stair case
lighting circuit). Draw
Schematic and Wiring diagrams for the control circuit.

(7)

Q
9
.

Design a circuit in which It should be possible to ring a bell from three different
locations by pressing push
-
buttons located at different places. The bell should
continue to ring till It is s
ilenced by pressing a separate push button. Draw Schematic
and Wiring diagrams of the circuit.







(7)

Q
10
.

Design a traffic light control circuit in which three signal lamps Red, Yellow and
Green should glow one after the other with a certain time lag in the sequence Red
-
Yellow
-
Green
-
Red
-
Yellow
-
Green …………. .





(7)


Q.11.

Draw and explain neat wiring diagram for a house installation showing connection
for energy meter, main switch and distribution board.




(7)

Q.12.

What are the main factors which are to be considered while selecting a wiring system
for a particular insta
llation?








(7)

Q.13.

Define the term estimating and state its purpose.





(6)

Q.14.

Name atleast ten accessories required for concealed conduit wiring.


(6)

Q.15.

Define a conductor and give the name of any three important conductors used in
electric
al engineering.








(6)



Diploma Third Semester (Electrical)

Assignment

I

Electric
al

W
orkshop
P
ractice

M.M.=100

Q.1

Electric shocks and their treatment.







(3)


Q. 2

enumerate the various safety measures to be considered while holding

electrical.











(4)

Q.3

What are the different types of wiring? Compare casing, taping wiring conduit
wiring.










(4)

Q.4

What are the general specification for house wiring?




(4)

Q.5

Enumerate the names of various method of crimping thimbles? What precau
tion
should be taken during and connecting of crimping?




(4)

Q.6

Explain how to make straight married joint and western union joint? What are their
applications?









(4)

Q.7 What are the causes of electrical accident draw the diagram.



(4)

Q.8

Draw the Schematic diagram for stair case lighting prepares the material required
for conduct wiring of stair case light.






(4)

Q.9

Explain with single line diagram the wiring for one length and a switch board in a
room. Prepare and estimate the items
required for casing, capping wiring of the
room with its specification.








(4)

Q.10 Explain the first aid treatment to be given to electric shock victims.



(4)


Q
1
1.

Fill in the blanks:









(5)

(i)

Expand PVC ………………….. .

(ii)

Expand SWG …………………. .

(iii)

A
Cable is specified as 23/76. The SWG of the Cable is ……………….

(iv)

A Sub Circuit can have ………………… points.

(v)

Always ……………….. Pin socket should be used.

Q
1
2
.

Name various fire extinguishers used during electrical short circuits.


(4)

Q13
.

What are the precautionary measures to be taken for avoiding electrical fire in
Buildings?










(4)

Q
1
4
.

Name various Joints of Wires.







(4)

Q15
.

How Britania Joint and Western union joints are made and where they are used?

(4)

Q16
.

What is crimpi
ng tool? Name different type of crimping tools and their application.












(4)

Q
1
7
.

Compare Casing Caping and Conduit Wiring.





(4)

Q
1
8
.

What are the use of ceiling rose and sockets?





(4)

Q
1
9
.

Write Short Notes on:









(4)


(a)

Conduit boxes

(b)

Flexible conduit coupler

Q
2
0.

List the type of lamp holders and specify their uses.





(4)

Q.21.

Write the procedure, material required and estimate for wiring of “Control of one
lamp by one switch” using Tumbler switch and Casing cap
ing, Draw cir
cuit diagram
also.











(4)

Q.22.

What precaution should

be taken during house wiring?




(4)

Q.23.

Draw the Circuit diagram and write procedure for connection of Extension board
with two 5 amp. Sockets, one 15 amp. Socket controlled by t
heir respective switches.












(4)

Q.24.

List the Tools required for Concealed Conduit wiring.




(4)

Q.25.

Name the Accessories generally used in Conduit wiring.




(4)



Fundamentals of electricals Engg.

(Electrical III Semester)

Assignment
I
upto

mid sem Exam.

M.M.=100

Q.1.

What is elasticity? What are the principal sources of electricity? Mention various
applications of electricity.








(4)

Q.2.

Give the difference between A.C & D.C







(4)

Q.3.

Define the following terms.








(5)


(i)
Electric field Intensity


(ii) Electric Flux


(iii) Electric current


(iv)
Pote
ntial difference


(v)

Resistance

Q.4.

Define the terms work
, power
& Energy and give their S.I.

units




(4)

Q.5.

Establish the relation between:
-







(6)


(i) KWh and kilo
-
c
alories


(ii) KWh and watt
-
seconds


(iii) KWh and Mega Jules

Q.6.

Three capacitors of capacitances 1uf, 2uf and 3uf are connected in parallel. Find the
equivalent capacitance.








(4)

Q.7.

What is lead
Acid
accumulator?
Explain its

working & applicatio
n.



(5)

Q.8.

Explain
about the charging of a lead Acid
battery.





(5)

Q.9.

What are various types of

grouping of cells? Explain each of
them by suitable diagram.













(5)

Q.10.

Eight cells, e
ach of e.m.f. 1.5 v and internal

resistance of 0.252 ar
e connected in series and
an e
x
ternal load resistance of 4.52

is
connected. Across the series combination calculate the
current
flowing
through the load.







(5)

Q
1
1
.

Give a brief description of Atomic Structure.





(4)

Q
1
2
.

What are the advantages of
A.C. over D.C.?






(4)

Q
1
3
.

Enumerate different forms of energy.






(4)

Q
1
4
.

On what factors resistance of a conductor depends?




(4)

Q
1
5
.

An incandescent lamp of hot resistance 920

is connected across 230 V mains.
Determine the Power drawn by it from the mains.





(4)

Q
1
6
.

Write the S.I. unit of









(2)

(a)

Power

(b)

Luminous efficiency

Q
1
7
.

Derive the equation for energy stored in a Capacitor.




(4)

Q
1
8
.

Explain with the help of a

diagram, the construction of a Nickel Cadmium cell.

(5)

Q
1
9
.

What is “TRICKLE CHARGING”?







(4)

Q2
0
.

Explain in Detail the maintenance of Battery.





(5)

Q.21.

State laws of resistance and hence define specific resistance.



(4)

Q.22.

State Kirchhoff
’s current and voltage laws and expl
ain them with suitable circuit.

(4)

Q.23.

Draw the circuit diagram of star and delta connections. How star to delta conversion
is done?










(5)



Diploma Program

(
Electrical

Engineering)


Third Semester

Assignment
-
II

on

Basic Electronics

(Up to Final Exam
)

M.M.=100

Q.1.

Explain the need of heat sink. List the factors which determine its efficiency.


(6)

Q.2.

Draw the circuit diagram of a single
-
stage transistor amplifier.




(6)

Q.3.

What are the h
-
parameters of a
linear transistor circuit? Define them and give their typical
values.











(6)

Q.4.

Explain, how you will draw the d.c. load line and a.c. load line.




(6)

Q.5.

Explain the amplification process or functions of a single
-
stage transistor amplifier.

(6
)

Q.6.

Define the following terms in connection with an amplifier




(6)


(a)

Voltage gain


(b)

Current gain


(c)

Power gain.

Q.7
.

What is Multistage Transistor Amplifier? Write various types of Amplifier based on
couplings.










(6)

Q.8.

Draw the circuit diagram of R.C. coupled two stage amplifiers. What is its application?

(7)

Q.9.

Draw Circuit Diagram of L.C. Coupled Amplifier explain its working.



(7)

Q.10.

Compare R.C. Coupled & L.C. Coupled Amplifier.





(6)

Q.11.

Explain loading
in Multistage Amplifier.






(6)

Q.12.

Write short notes on:









(6)


a)

Power gain


b)

Frequency Response


c)

Bandwidth

Q.13.

Draw the circuit diagram of Direct coupled amplifier. Write down its limits & uses.

(7)

Q.14.

What is MOSFET ? Explain i
ts connection, operation & characteristics with labelled diagram.











(7)

Q.15.

Write short note on BJT.








(6)

Q.16.

Compare JFET & MOSFET.








(6)



Diploma Program

(
Electrical

Engineering)


Third Semester

Assignment
-
I
I

on

Fundamentals of

Electrical Engineering

(Up to Final Exam
)

M.M.=100

Q.1.

What do you mean by parallel circuit? Compute equivalent resistance of three resistances
R
1
, R
2

and R
3

connected in a parallel circuit.






(6)

Q.2.

Write short note on star
-
delta transformation.






(5)

Q.3.

A resistance of 460


is connected across 230 V supply. Find the current drawn by it.


(6)

Q.4.

Derive an expression for the force between two parallel conductor carrying current in (i)
opposite direction (ii) in same direction.






(6)

Q.
5.

Explain how hysteresis of a magnetic material can be calculated and define the terms,
retentively, residual magnetism and coercive force.





(6)

Q.6.

State the laws of electro
-
magnetic induction and explain the rules which determine the
direction of i
nduced e.m.f.








(6)

Q.7.

Write notes on:









(6)


(i)

Dynamically induced e.m.f.


(ii)

Statically induced e.m.f.

Q.8.

Derive an expression for the instantaneous value of alternating voltage varying sinusoidally











(6)


Q.9.

Write notes on:










(6)


(i)

Inductive reactance.


(ii)

Capacitive reactance.

Q.10.

Explain with diagram, what do you mean by






(6)


(i)

in phase


(ii)

lagging and


(iii)

Leading, as applied to sinusoidal a.c. quantities.


Q.11.

A voltage wave form is given by th
e expression e = 200 sin (628 t + 60
0
). Determine

(i) Maximum value (ii) r.m.s. value (iii) frequency (iv) time period and (v) phase angle of the
voltage.










(5)


Q.12.

Prove that average power consumption in pure inductor is zero when a.c. voltage

is applied.











(6)


Q.13.

Define apparent power and reactive power of an a.c. circuit. Explain how the true power and
power factor of the circuit can be determined from them.




(6)


Q.14.

Draw impedance triangles of (a) R
-
L series circuit (b) R
-
C
series circuit and (c) R
-
L
-
C series
circuit.











(6)


Q.15.

Give the advantage of polyphase system over a single phase system.



(6)


Q.16.

Show the connection for the three wattmeter method of power measurement in a 3
-
phase
4
-
wire system. What is th
e total power as measured by the wattmeters.



(6)


Q.17.

Draw the connection diagram of a wattmeter in a single phase system.



(6)



Diploma Program (E
lectrical)

Semester
-
III

Assignment

-

II

On

Computer programming & Application

(Up

to
Final
Examination)

M.M.=100

Q.1.

Demonstrate the difference b/w getch ( ) and getche ( ) using a sample program.

(10)

Q.2.

Why do we use break statement in every switch case block.




(10)

Q.3.

Write a program to concatenate two integer arrays.





(10)

Q.4.

Write short note on CAL and CAI







(10)

Q.5.


Explain the role of computers in business giving any two examples



(10)

Q.6.

Define the following









(8)

a)

Cut

b)

Copy

c)

Paste

d)

Format painter.

Q.7.

How will you differentiate b/w a portrait & landscape
page orientation?



(10)

Q.8.

Differentiate between









(10)


a) Snap and Grid


d) CAD and CAE

Q.9.

Write any 5 advantages of using Auto CAD over manual drawings.



(10)

Q.10.

Fill in the blanks.









(12)


(a) …... command is used to draw a c
ircle.


(b) To portion a text line any where we use…….


(c) A worksheet contains …… columns

(d) The commands to open, close and print a worksheet are available under the
……menu.

(e) Use of computer results in …….. and ……. processing of informat
ion improve the
performance.

(f) ….. is the use of many computers in parallel to perform a CPU intensive task.



Diploma Program

Electrical Engineering

(Third Semester)

Assignment


II

On

Electrical & Electronics Engineering Materials

Up to Final Exam

M.M.=100

Q.1.

Write short notes on:
-









(6)


a)

Filler for Plastics

b)

Bakelite

c)

P.V.C.

Q.2.

How can you classify insulating materials on the basis of their Physical and Chemical
Structures?










(7)

Q.3.

Enlist materials used as insulating
for transmission lines up to 132 KV. Give brief comments
on each.










(7)

Q.4.

Mention the application of following inorganic insulating materials:



(8)


a)

Glass


b)

Ceramics

c)

Mica


e)

Asbestos

Q.5.

Explain the role of “Liquid Insulation” as
insulating materials.




(7)

Q.6.

Classify the magnetic materials into Diamagnetic, paramagnetic and ferromagnetic materials
and give then brief application.







(7)


Q.7.

What do you mean by magnetic materials? Give their importance in electrical
engineering.











(7)


Q.8.

Differentiate between ‘Soft’ and ‘Hard’ materials and give the field of their application.

(7)


Q.9.

Explain the importance of “Hysterisis” and “Eddy losses” in case of magnetic materials.

(7)


Q.10.

Write short notes on:











(6)


(i)

Permeability

(ii)

Retentivity


Q.11.

Write a brief note on CRGO Silicon steel.






(7)


Q.12.

Enlist the various properties of magnetic materials.





(6)


Q.13.

Why thermo couples are so called?







(6)


Q.14.

Bi
-
metallic strips are u
sed for overload protection of motors. Why?



(6)


Q.15.

Kit Kat fuse is also called “Rewirable fuse,” why?





(6)

Diploma Program

(
Electrical

Engineering)


Third Semester

Assignment
-
II

on

Electrical Eng
g
.

Design & Drawing

(Up to Final Exam)


M.M.=100

Q.1.

Draw the top plan, front elevation, & side view of fuse carrier assure dimensions. (20)

Q.2.

Draw top view and front elevation in section of a kit
-
kat fuse base.


(20)

Q.3.

This figure shows an isometric view of a
bus
-
bar post. Draw its following
ort
hographic projection in 3
rd

angle
projection system.

(i)

Front elevation in right half
sectional

(ii) Side view

(iii) Top plan. (20)




BUS BAR POST (ISOMETRIC VIEW)


Q.4.


This
Figure
shows an isometric view
of a bus
-
bar post.
Draw its following
orthographic projection in 1
st

angle
system.

(i)

Front elevation (right half in
section)

(ii) Side view

(iii) Top plan. (20)




ISOMETRIC VIEW OF BUS
-
BAR POST




Q.5.

Elevation (left
-
half in
section)
of a pin type
insulators is shown
along with its pin in this
figure. Draw after
assembly

(i)

Left half
sectional
elevation

(ii) Top plan (3
rd

angle)



(20)










Diploma Program

(
Electrical

Engineering)


Third Semester

Assignment
-
II

on

Electrical Workshop Practice

(Up to Final Exam
)



M.M.=
100

Q.1.

What is series test lamp board? Write the uses of series test lamp board
procedure & precaution required during its use.




(10)

Q.2.

What is Meggar? Draw its circuit diagram and explain its working.


(10)

Q.3.

Enumerate the basic faults in House Wiring.





(10)

Q.4.

What is earthing? Write its importance.






(10)

Q.5.

Write

the Accessories Generally used in main Distribution Board of Domestic
Wiring. Write the functions of each Accessory.





(10)

Q.
6
.

Write down the possible faults in tube light circuit and how to check them.
Draw the circuit diagram for tube light circuit.





(10)

Q.7
.

Write the procedure for connection of relay operated bell circuit. Draw its
circuit diagram also.









(10)

Q.8
.

What is ELCB? Why it is used in distribution board.




(10)

Q.9
.

Draw the circuit diagram of washing machine. Explain the pos
sible faults and
required procedure to rectify them.






(10)

Q.10
.

Draw the circuit diagram of desert room cooler. Explain the function of each
electrical Accessory used in it.







(10)