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RRB-Assistant Loco Pilot & Technician (Gr. III) Exam r 2015!

i-72

'72

Directions (Qs. No. I & 2): In each of rhe JbLlowittg (tttcstiotls, select llte relatecl letter/word from the qrvc,t niternotit,t:s.

l.Grenade:Gun::?

A. Sister' : Brothel B. Father' : Mother C. Man : Woman D. Head : Brain

2.

AEZ: FPY:: BGX:

?

B. ITY D. HYW

A. HWW C. HTX

€4

Directions (Qs. No.3 & 4): In each of thefollowing t1 uestiotts,.fincl the odd one from the given

10.

ulte rnuti,-es.

B. Beethoven D. Bach B. (r2s, 8) D. (112,4)

3. A. Socrates C. Mozalt

4. A. (132, ,5)' c. (124.1)

I-20

Directions (Qs. No. 5 & 6); In each of the Jbllowittg questiorts, iclertify tlrc wrottg number in the series.

s. 9, 19, 40, 83, t70,340 B. 40 D. 170

A. 83

c. 340 2t. 28.. 33, 35,

A.21 c.33

7.

37

,

36

.8.36 D.

35

If

PEAR is rvlitten a GFDN, how is REAP wlitten in this code?

F'DNG DNGF

B. NFDG D, NDFG 8. If FI-ATTER is coded as 7238859 -and MO'|HER is coded as 468159, then how is MAMMOTH coded? B. 4344651 A 4344681 D. 4346481 c. 414648 I Directions (Qs. No. 9 & 10): ln each of the A. C.

'fctllov,itt.g clttestiotts, select the ntissittg ruunber fronr tlta gircn respotlses. llased on rnemory

p-2I c.23

B. 20 D.22

11. Satish start from A and rvalks 2 km east upto B and turns southwards and walks I km upttl C. At C he turns to east and walks 2 km upto D. He then turns northwards and walks 4 km to E. How far is he from lris starting point'? B. 6 kni A.5km D.4km km C.3 Directions (Qs. No. 12 & 13): In eaclz of the followittg questiorts, one/two stntements are gitett, followed by two eottclusions I and II. You have to consider the statemetts to be true, evett if tlrcy seetn to be at variance J'ront conuttonLy known J'act's' You have to decide which of the givert c'onc'lusions,

if

any foLlow front the given statenwft. 12. Statements: Temple is a place of worship' Chulch is alstr a place of worship. Conclusions: I. Hindus and Christians use the same place for worship. IL AII chulches are temples.

!

t A. B. C. D.

Neither conclusion I nor II follows Both conclusions I and II follow Only conclusion I follows Only conclusion II follows .

17.

13. Statements:

The hLrman organism grows and develops through stimulation and action. Conclusions:

I. Inert human organism cannot grow

and

deveiop.

II. Human organisms do not

react to stimulation

and action. A. Neither conclusion

I nor II follows B. Both conclusions I and II follow C. Only conclusion I follows D. Only conclusion II follows l4- Which of the answer figure is exactly the mirror image of the question figure if a mirror is placed on lhe line MN? Question Figure

----EM

tNu ---7

N

Answer Figures

AA AA ABCD

l5: Flom the answer figures; select the one in which the question figure is hidden/embeded. Question Figure

ttt

Answer Figures

16.

18. Above normal speed variations in a DC series motor can be obtained by using. A Armature diverter resistance B. Armature reverter resistance C. Field diverter resistance D. Field reverter resistance .

19. The main purpose of connecting transfbrmers

in series is to: A circulate air in transformer B. insulate and cool the transformer C. get higher voltage rating

f----2

B€ VI

A

self excited DC shunt generator tails to build up voltage where there is ............. relation between the direction of rotation and the direction of the fields. A. Improper: B. Irreversible C. Unpolarised D. Deflecting

d Ldf {l

d{i

m c: 0t

5.fl

tu

ilr

(:

-!l

D. get stronger magnetic field

20. One ampere of current is said to flow when electrons pass a given point in the conductor during a period of one second, A.6.28 x 1018 B. 6.57 x t0l8 C.6.28.x 1016 D. 6.57 x i0r6 2't. Ammeter is used to measure. (Ammeter is connected in series to the load of which the current is to be measured)

{Ci

ml

3r" Tl I

Jlt,

:

A Power

,,)

B. Resistance C. Potential Difference D. Current

il"

IIh

,lullI

thin wire and is placed in the circuit prevent darnage to electrical appliances. A. C.

Rectifier Capacitor

to

A.30J c. 1800

i

*ii,

m

:

B. Fuse D. Lug

23. An emf of 120 V causes a current of 3 A to flow in a circuit. The energy supplied by the soufce in 12 seconds will be:

ll*l

ffi ffi ffi ABCD

If an external resistance is added in the field of a DC shunt generator then it will: A Increase the current of the generator B. Decrease the current of the gen€rator C. Increase the voltade of the gendiator D. Decrease the voltage of the generator

Xi,l

-;il,-

{url tl6t]

,[

B. I35 J D. 4320 I

24. A tbrce of 60 N is applied to a body to move it at a uniform velocity through a distance of 20 m in 8 seconds in the direction of the force. The value of the power is: A-24 W B. 150 w c.640 w D. 9600 W 25. The power required to lift a mass of 300 kg at a constant speed through a vertical distance

of 200 in 4 minutes is:

T1[

m I

fr,

t

rililt ,fUfl ,!ffih

4{' m,

T

e field

)r

2(t.

A. 1.225 kw

B.

C. 2.453 kw

D. 9.196 kw

1.25 kw

33. The smallest inside micrometer has the gradu-

ation marked on the sleeve to a ranse of:

A 2-stroke cycle engine produces one power stroke in: A. each revolution of crankshaft B. 2 revolutions of crankshaft

.or OT

lor

C. 3 r'evolutions

I series

11

of crankshaft D.4 revolutions of crankshaft Which one of the following drives the fuel feed pump? A. Engine flywheel B. F.I.P. camshaft C. Tirning gears D. Engine crankshaft

ormers

Al0mm

B. centre of one pin hole to the centre of other pin hole C. end to end of blade D. end of one hole to the end of the other pin

prston:

A.

r when in the nnd. I

6

pter

th

is

the

b-s of ctlri to

I

,r

t*

ro

rne

pE-:\e

lrc:

ic

of

the

of

the

inductirtn stroke

D. hus just passed b.d.c. at the start cotnpfessi()n stroke

29, The lubricating oil pump outlet is connected to: A. Oil passage in rocker shaft B. Oil gallery in cylinder block C. Tirning case inlet union D. Filter inlet pipe 30. 'lhe t'ins at

the top of a motor cycle englne cylinder are longel than those at the boffom because:

hole 36. Which among the following bearings has spheial bclre on the outel race? A Roller bearing B. Angular contact bearing C. Thrust ball bearing D. Self-aligning ball bearing

ances classes offits and 2I grades oftolerances D. 6l classes of fits and 12 grades to tolerances

C. l6

is the advantage of tailstoik spindle: having left-handed threads? A Avoid advancement of barrel when rotated

38. What

A. hot air rises

-.i ::re

ability of a battery to supply a current similal to that required by the starter motor is tested by: A. a wide scaled hydrometer B. a high rate discharge tester C. a voltmeter scaled 0-200 V D. an amnreter scaled 0-100 A

earth noving machinery? A. Auxiliarv gasoline engine starting

fS- .-= hru:::

clockwise

that the barrel advances with clockwise movement of hand wheel C. Reduce the tendency for excessive movement of the barrel D. Avoid jamming of spindle and hand wheel B. Ensure

31. The

It Which one of the following methods is suitable tbl siarting diesel engines of heavy B. Elcctric starting

C. I{ydraulic cranking motor starting D. Compressed air motor starting

a

37. British standard limit system consists of: A 2l classes of fits and l6 grades of tolerances B. 12 classes of fits and 61 grades of titler,

B. the top is the hottest part C. they are in an unexposed position D. extra strength is required at the top

DCs"

13

powel stroke C. is approaching b.d"c. at the end

12 mm

35. The length of hacksaw blade is measuled liom: A. one end of the toothed portion to the other end

28. In a C.l. engine the fuel is injected when the

is apploaching t.d.c. at the end of the compression stroke B. has just passed t.d.c. at the start of the

B.

C. 13 mm D. 25 mm 34. Which one of the following giuges is used to align the lathe tool with the work? A Try square B. Centre gauge C. Thread gauge D. Straight edge

39. Which one of the following shaper mechanism produces less.'noise? A. Rack and pinion mechanism B. Crank and slotted link mechanism C. Hydraulic mechanism D. Cam mechanism 40.

The stylus used in mechanical surface measuring machine indentator is made of: A tool steel B. carbide C. diamond D. cast alloy

of ihe main refrigeration advantages of a serviceable hermetically-sealed type

41. One

compressor over an open type is that: A no shaft seal is required B. cylinder lubrication is easier C. any refrigerant can be used D. mechanical efficiency is greater

of a rotary compressor are: A. cylinder and rotor B. blade and crankshaft C. valve and crankshaft seal D. All of the above

42. The main pdrts

ffi-

AtI

B.0

C.?

D.;J-'

I

J

i

Capillary tube is mea.nt to: A. remove the heat carried by the refrigetant

I I

B. meter the refrigerant C. act as reservoir for excess liquid refrigerant D. pump the refrigerant

44. The type of control valve in a -refrigerant circuii'which may be connected td the ;ircuit . discharge line, evaporator, condenser and suclion line is: A. a pilot-operated expansion' valve B. an externally equalised expansion valve C. a reverse cycle lefrigerant valve D. a hot gas leffigerant by-pass valve

45. A capillary tube is often used to control refi'igerant flow and expansion in a domestic retrigerator system instead of an expansion valve because it is A. simple and economical to manufacture B. less likely, to become blocked C. able to conffol the flow mor'e accurately D. easier to replace in the system 46. P and Q are two points observed from the top

.

ol u building 10.6m high. If the angles of depression of the points are complementary and PQ = 20 m, then the distance of P from

the building A. 25 ni

C.30 47.

If A

m

and

B

is

8.45m D.40m

If

2

-

-

tan

A tan B +

51.

Ifr=

^ly= (0'08)2,

andz- (l -0.08): --l (0.08)-"

t I

In ry-plane. P and Q are two points having co-ordinates (2, 0) and (5, 4) respectively. Then the numerical value of the area of the circle with radius PQ, is:

;

A 16n C.l4n

52. Thevalueof is equal to:

s'il:-

I

- l, then out of the following, the true relation is: A.y