Model Questions

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1




Works


1.

Describe the importance of the following:
-

a.

Water Cement Ratio.

b.

Slump test.

c.

Curing.

d.

How does W/C ratio

affect the strength of concrete.

2.

Write short notes on the following:
-

a.

Design mix and nominal mix.

b.

Concreting under water.

c.

What do you understand

by the term
Bulking Of Sand
? How does it occur?
How do you make allowance for it?

d.

Consistency and workability.

e.

Grading of aggregate and its impact on concrete mix.

3.

a.

Flange and web of RCC T


beam.

b.

Development length and anchorage length.

c.

Plain cement c
oncrete and Reinforced
Cement
concrete and their advantages
and application.

d.

Long and short column.

e.

Shallow and Deep foundation.

f.

Depth of foundation and safe bearing capacity of soil.

4.

Write abbreviation of the following:
-

(a)

PWP


(b)

PB


(c)

LAW


(d)

BAW

(e)

SOP


(f)

SOR


(g)

GCC

5.

What is estimate? What are the different types of estimates?

6.

What is the necessity of Revised Estimate?

7.

Fill in the blanks:
-

a.

Administrative approval is associated with ____________________ estimate.

b.

Technical sanction is associate
d with ____________________ estimate.

c.

Variation statement is associated with ____________________ estimate.

8.

What is Urgency Certificate? What are the conditions when works are considered
for execution under Urgency Certificate?

9.

Write short notes on:
-

a.

Depar
tmental Charge, General Charge and Contingency.

b.

Deposit works.

c.

OOT Works.

d.

Works programme.

10.

What are the different types of sidings in Railways?

11.

Write the Plan Head Number of the works for:
-

a.

Gauge Conversion.

b.

Traffic Facilities.

c.

Computerisation.

d.

Level Cross
ings.

e.

ROB/RUB.

f.

Track Renewal.

g.

Bridges.

2


h.

Signal & Telecommunication.

i.

Other Specified Works.

j.

Workshop & Production Units.


12.

Write full form of:
-

a.

OLWR.

b.

DRF.

c.

DF.

d.

CRM.

e.

CAP.

13.

What is the unit of measurement of the following:
-

a.

Making up of reinforcement.

b.

Plastering
24 mm thick.

c.

Flush pointing.

d.

Supply of Brick 1
st

Class.

e.

Turfing.

f.

Cement Concrete M
-
30.

14.

What are the essential criteria to satisfy quality of 50 mm Track Ballast? What is
screening test? Explain its limits for passing of 50 mm depot supply Ballast.

15.

How test

sample is to be taken for passing of ballast?

16.

What are the essentials requirements for a bill preparing authority to prepare a
final bill of a work?

17.

What are the minimum %age of Test Checks by ADEN/AXEN in regards to the
following type of works done?

a.

Pain
ting & Polishing.

b.

Earthwork in cutting/filling.

c.

Supply of steel.

d.

C.C. Work in slab casting.

e.

Fitting fixing of A. C. Sheet roofing.

f.

Brick work in partition walling.

18.

Write short note on Zonal Work? What is the normal period of Zonal work during
the year? Wha
t role of colony care committee regarding completion of Zonal works?

19.

What is Schedule of Power? What is the Power of AXEN/ADEN and DEN/XEN in
respect of the following?

a.

To issue a major memorandum charge sheet to JE/II in group C cadre.

b.

To be a member of Te
nder Committee up to Tender value upto Rs.25 lakhs.

c.

Accepting quotation with finance concurrence?

d.

Signing of contract & Agreement about any work.

e.

Issue of passes to the Contractor.

20.

Write 3 types of Advances granted to the contractor with the limit of grant
s for the
interest of completion of works.

21.

Write short notes on

a.

Contract Agreement.

b.

PVC.

c.

Tender Documents.

d.

Extension of completion period.

e.

Settlement of disputes.

f.

Variation of contracts.

g.

Contract Documents.

3



22.

Fill up the blanks:
-

a.

PVC should be applicable wh
ere completion period is more than __________
year.

b.

In case of earthwork, the variation limit of _____________ shall apply to the
gross quantity of earth work.

c.

For extension of completion period the authority is satisfied that the delay will
not cause ____
__________________.

d.

Railway shall within __________________ after receipt of the contractor’s
representation make and notify decision on all matters referred to by the
contractor in writing.

e.

A contract is an agreement entered into by the __________________
_____________
with the _______________________ specifying the conditions under which a work
will have to be executed by the contractor.

23.

Write short notes on:
-

(a)


Limited Tender


(b)

Single Tender


(c)


Earnest Money.

(d)

Security Deposit


(e)

Late
Tender



(f)

Delayed Tender

(g)

NIT




(h)

Performance Guarantee Bond

24.

What are the different types of Tender which are being floated by the Railway?
Write in details regarding each type of Tender.

25.

a.

Why it is necessary to execute the work after execution of C
ontract Agreement?

b.

Why it is necessary to put clauses for Deposit of Security Money &
Performance Guarantee Bond in a works Tender?

c.

What are the difference between single offer in a Tender & “Single Tender”?


BRIDGE


1.

a.

Temporary and Permanent Div
er
sion.

b.

U
nderwater Inspection.

c.

Guide Bund and Marginal embankment (its differences).

d.

Launching apron, spur (different types).

e.

Meandering character of river and cut off.

2.

a
.

Pressure grouting and Guniting in Bridge Sub
-
structure. When they are being
used.

b.

Stages of p
ainting in Bridge Super
-
structure (steel).

3.

Write

short

notes on the following:

a.

Important Bridge.

b.

Major Bridge.

c.

Minor Bridge.

d.

Overall Span.

e.

Effective Span.

f.

Clear Span.

g.

Free Board.

h.

Afflux.

i.

Vertical Clearance.

4



4.

Write True or False

a.

3 x 6.1 m span Girder Bridg
e is termed as a Major Bridge.

b.

1 x 12.2 m span Girder Bridge is called a Major Bridge.

c.

7 x 45.7 m span Girder Bridge is termed as a Major Bridge.

d.

Vertical Clearance is measured from Rail Level.

e.

Free Board is measured from Rail Level.

f.

Maximum span of Deck T
ype Girder is 12.2 m.

g.

The formation level should normally be 1 m above the HFL..

5.

What are the different types of Bearings used in Railway Bridges?

6.

What is the periodicity of lubrication of the flowing types of Bearings?

a.

Centralized Bearings in Welded Track
.

b.

Centralized Bearings in Fish plated Track.

c.

Rocker and Roller Type Bearings.

d.

Elastomeric Bearings.

7.

What is the necessity of providing Bearings under Railway Bridge Girders?

8.

Write name of instruments required for measuring scour depth.

9.

What is annual bridg
e inspection? What are the items to be inspected for minor
bridge? Who are the officials must accompany the inspection?

10.

Write short notes on any two

a.

RAW.

b.

Steel Structure.

c.

Toe load measuring instrument.

d.

Electrochlorinator.


DESIGN

SF/BM Diagram

1.

a.

Draw the
SF & BM diagram for a cantilever beam of 1.75 m long carrying a
uniformly distributed load of 1200 Kg/m run over a length of 1.2 m from fixed
end.


A





C











B




1.2 m










1.75 m


Draw SR/BM Diagram







2

KN




4 KN


b.



A





C






D




B




1.5 m





1.5 m





1.0 m


2.

Give brief note on the following:
-

a.

Shear force and Bending Moment.

b.

Cantilever beam, rigidly fixed beam, Continuous beam.

c.

Tensile Stress, Compressive Stress, She
ar Stress.

5



TRACK


1.

What is M. S. P? Write in short about its advantages?

2.

Write name of 6 (six) instruments/Tools required for MSP. What are the sizes of
chips used for MSP work?

3.

What is Primary Renewal & Secondary Renewal? Describe brief.

4.

Write full form o
f the following.

a.

TFR.

b.

TBTR.

c.

TRR.

d.

TWR.

e.

TSR.

f.

PWP

5.

Draw a protection Diagram in case of a single line BG 130 Kmph route where CTR
work is carried out in a 100 m length of Track between sections.

6.

What are the maintenance tolerances of a 2 degree curved track in

D and E route
for parameter Gauge, Cross
-
Level and Versine?

7.

Which of the following is not related with Railway track.

a.

Super Elevation.

b.

Joggle Fish plate.

c.

Rumble strip.

d.

Glued Insulated joint.


U
ltras
onic
F
law
D
etection


1.

What is Ultrasonic? What is the freq
uency of USFD testing of Rail and A. T. Weld?

2.

What are actions to be taken by field staff after a Rail / Weld is detected as
IMR/IMRW, OBS/OBSW & DFW.

3.

What is the objective of Need Based concept of USFD?

4.

What are the limitations of Ultra Sonic Flaw Detecti
on of rails?


Track Recording Car and OMS


1.

What is TGI? What is the minimum TGI value for a good quality track? What steps
are to be taken to improve TGI values?

2.

What are the frequencies of TRC & OMS?

6


CURVE


1.

What is super
-
elevation? Why it is needed for a

curve?

2.

What is cant deficiency and cant excess? What are the adverse affects that may
take place when it exceeds limits?

3.

Write short notes on any two

e.

Actual Cant.

f.

Equilibrium Speed.

g.

Safe Speed of curve.

h.

Maximum permissible speed.

i.

Transition Length.

4.

What i
s CRS sanction? Mention 4 cases where CRS sanction is required and 2
cases where CRS sanction is not required.

5.

What are the various types of track renewals? Describe about Secondary renewal
and Scattered renewal.

6.

What are the criteria which require track r
enewals?


TRACK MACHINES


1.

What are the different Track Machines available in N. F. Railway?

2.

Why is mechanized maintenance preferred over manual maintenance of Track?

3.

Describe laying of Points and Crossing by T
-
28 machine.

4.

Describe various activities involv
ed in mechanized relaying.


TRACK MAINTENANCE

1.

When and how the programme for destressing of LWR is to be taken? What is
destressing temperature (t
d
)? How

destressing is done with the use of rail tensors?

2.

What do you mean by Deep Screening? Why Deep Screeni
ng is done?

During Deep Screening of track, restrictions are imposed and sectional speed is
restored after the final packing of the track. Explain in a tabular form the
restrictions imposed day
-
wise in case of Deep Screening Manually/by Machine.

3.

What are
the different classifications of Level Crossing?

4.

How the protection of Level Crossing is carried in case of unusual occurrence?
Explain with suitable sketch/diagram.

5.

Write short notes on

a.

Overhauling of track.

b.

Buckling of Track.

c.

Permitted locations of LWR.

d.

DMTR.

e.

Imprest Store.

f.

Glued Joint

g.

SEJ.

h.

TVU.

i.

DTM.

7


TRACK DEVELOPMENT


(by XEN/TD)

A.

Following are some of the day to
day
related
trivia

on Track alongwith their
answers.

(
Fill in the Blanks
)

1.

Destressing Temperature for LWR/CWR for 52 Kg and heavier rail for BG

is



t
m

+ 5
0

C to t
m

+ 10
0
C
.

2.

Destressing Temperature for LWR/CWR for other than 52 Kg and heavier rail
for BG is


t
m

to t
m

+ 5
0
C
.

3.

LWR/CWR shall not be laid on curves in BG sharper than


440 meter
.

4.

LWR/CWR shall not be laid on curves in MG

sharper than


440 meter
.

5.

LWR/CWR may be continued in BG through reverse curves not sharper than
radius


875 meter
.

6.

The steepest permitted grade for LWR/CWR in
B
G shall be


1 in 100
.

7.

For reverse curves in LWR/CWR sharper than 1500 m radius, shoulder
bal
last of 600 mm on either side of the common point should be provided
over a length of


100 meter
.

8.

The minimum clean stone ballast cushion (below the bottom of sleeper) shall
be provided at the time of installation of LWR/CWR in BG


250 mm
.

9.

The minimum cl
ean stone ballast cushion (below the bottom of sleeper) shall
be provided at the time of installation of LWR/CWR in MG


250 mm
.

10.

The minimum clean stone ballast cushion (below the bottom of sleeper) shall
be provided at the time of installation of LWR/CWR
in BG where speed is in
excess of 130 Kmph


250 mm
.

11.

The minimum sleeper density (number of sleeper/Km) shall be provided in
LWR/CWR (PRC sleeper) in temperature zone I & II


1310
.

12.

The minimum sleeper density (number of sleeper/Km) in LWR/CWR shall be
pro
vided in Temperature zone III (PRC sleeper) for BG


1540
.

13.

The minimum sleeper density (number of sleeper/Km) in LWR/CWR shall be
provided in Temperature zone II (other than PRC sleeper) for BG


1540
.

14.

The minimum sleeper density (number of sleeper/Km) in
LWR/CWR shall be
provided in Temperature zone I & II (other than PRC sleeper) for MG


1540
.

15.

Gap at SEJ shall be adjusted at the time of laying / subsequent destressing
of LWR/CWT for 52 Kg rail section in temperature zone III in B group route



40 mm
.

16.

Ga
p at SEJ shall be adjusted at the time of laying / subsequent destressing
of LWR/CWR for other than 52 Kg/ 60 Kg rail in temperature zone III in D &
E group routes


60 mm
.

17.

Regular Track Maintenance in LWR/CWR in BG ‘B’ Group route shall be
confined to the

hours when the rail temperature is between


t
d

+ 10
0
C and
t
d



30
0
C
.

18.

If the rail temperature after a maintenance operation of LWR/CWR exceeds
t
d

+
20
0
C

then during the period of consolidation when shoulder & crib
compaction has been done. A speed restric
tion of 50 kmph for BG shall be
imposed
.

19.

At no time in case of Manual Maintenance of LWR/CWR shallow screening
with at least


30

fully boxed sleeper spaces left in between adjacent
openings
.

20.

Maintenance in between lengths (Manual Maintenance/Shallow scree
ning)
shall not be undertaken till passage of traffic for at least (in case of BG
carrying more than 10 GMT)


24 hours
.

21.

In case of renewal of fastenings of LWR/CWR of more than one sleeper are
required to be renewed at a time on BG, then at least (not req
uiring lifting of
rails under supervision of Keyman)


15

sleepers in between shall be in tact
.

22.

SEJ”s shall be checked, packed and aligned if necessary


Once in a
fortnight
.

8


23.

Oiling and greasing of tongue rail and stock rail of SEJ’s of LWR/CWR shall
be do
ne


Once in a fortnight
.

24.


Temperature

records of the sections where Deep Screening is to be
undertaken in LWR/CWR shall be studied for


Previous and current year
.

25.

Minimum length of rail to be used for temporary repair of rail fracture in case
of LWR/CWR
is


4 meter
s
.

26.

Keyman will carry out oiling and greasing of SEJ’s of LWR/CWR under his
jurisdiction


Once in a fortnight
.

27.

Mobile watchman to be provided on stretches where after maintenance
operation, rail temperature has exceeded to


t
d

+ 20
0
C

during th
e period of
consolidation
.

28.

PWI In
-
charge

will be responsible for procurement of the Permanent Way
materials and equipments required for the maintenance of LWR/CWR for all
staff working under him.

29.

At no time in case of manual maintenance of LWR/CWR not more

than
30

spaces in a continuous stretch shall be opened.

30.

Breathing length for 1540 PRC sleepers/Km and 52 Kg rail in Temperature
zone III on BG is


66 meter
.

31.

Hot weather patrolling will be carried on single line or where only one road in
a double line sec
tion is having LWR/CWR, one patrol man for
5 Km
.

32.

The beats of the hot weather patrolling will be restricted for LWR/CWR to
2
Km
.

33.

Cold weather patrolling shall be introduced when rail temperature is less
than
t
d
-
30
0
C
.

34.

N. F. Railway falls under temperature z
one No.
III
.

35.

The range of temperature in zone


III is
61
0

C to 70
0
C
.

36.

Three

rail lengths shall be provided between stock rail joint (SRJ) and SEJ as
well as between the crossing and SEJ.

37.

Maximum overall length of girder bridges permitted on LWR/CWR on BG i
n
temperature zone
-
III with 52 Kg rail and PRC sleeper in approaches (rail free
fastenings on bridges is
27 meter
.

B
.

Patrolling of Track


1.

Write short notes :
-

(a)

Winter Patrolling.


(b)

Patrol Chart.


(c)

Monsoon Reserve.





Establishment


1.

What are the
provisions under DAR for imposition of major penalty?

2.

List of the major penalties as per the DAR. Describe the procedure of awarding
a major penalty.

3.

Short note on


i.

DCRG

ii

Retirement benefit

iii

PNM, PREM

iv

Industrial dispute Act.

v

Workmen compens
ation act.

vi

House building advance.

vii

HOER

viii

LAP & LHAP

ix

Removal and Dismissal

x

40 point roster.

xi

Commuted leave.

xii

Types of leave.

xiii


Extra ordinary leave.

xiv

100 point roster.


4.

List out minor penalties as per DAR and describe
the procedure of awarding a
minor penalty.

-
(0)
-