scr.indianrailways.gov.in Junior Engineer Non AC Question Bank : South Central Railway

Organisation : South Central Railway
Post : Goods Guard
Document Type : Question Bank
Website : scr.indianrailways.gov.in

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/RRB/7176-1380111066662-30-08-13%20Question%20Bank%20for%20JEE%20Non-AC_2509.pdf

SCR Railway Goods Guard Sample Questions Paper

QUESTION BANK FOR SELECTION TO THE POST OF JUNIOR ENGINEER (Non -AC) :
GRADE – II IN PB : Rs. 9300 – Rs. 34800 WITH GRADE PAY Rs. 4200/- AGAINST LDCE QUOTA IN ELECTRICAL (GS) DEPARTMENT ON SC DIVISION.
Part – A : (TRAIN LIGHTING)
I. SELECT THE CORRECT ANSWER:
1) In regulator how many windings are available in Magnetic amplifier ( a & c )
a. 6
c. 4
b. 3
d. 5

Related : South Central Railway Goods Guard Question Bank : www.pdfquestion.in/7175.html

2) Size of V belts used 4.5KW Alternator ( c )
a. C121
c. C122
b. C123
d. C124

3) Capacity of battery fuse in TL Coaches ( a )
a. 35 A (HRC )
c. 16 A (HRC )
b. 63 A (HRC )
d. 5 A (HRC )

4) The gap between the two halves of axle pulley should be ( c )
a 0.5 – 1.0 mm
c. 3.0 – 4.0 mm
b. 2.0 – 3.0 mm
d. 5.0 – 5.5 mm

5) What are the AH capacity of cells used in TL coaches ( c )
a. 110
c. 120
b. 1100
d. 800

6) Name the Acid used in lead acid cells ( a )
a. Sulphuric Acid
c. Nitric acid
b. Hydrochloric Acid
d. Phosphoric Acid

7) Give the Spg & Voltage of Fully charged cells ( a )
a. 1220 & 2.2
a. 1200 & 2.2
b. 1220 & 2.1
b. 1200 & 2.1

8) Cut in speed for B/L alternator in TL application ( c )
a. 21
c. 19
b. 20
d. 18

9) Inverter converts ( a )
a. DC to AC
c. AC to AC
b. DC to DC
d. AC to DC

10) IGBT are used as ( a )
a. High frequency switching device
c. Low frequency switching device
b. Illuminating device
d. Amplifier

11) Boost charge of VRLA cells ( a )
a. 2.3 V/Cell
c. 2.25 V/Cell
b. 110 V/Cell
d. 115 V/Cell

12) Trickle charging of VRLA cell ( c )
a. 2.3 V/Cell
c. 2.25 V/Cell
b. 110 V/Cell
d. 115 V/Cell

13) No of MA’s in 4.5 KW regulators ( a )
a. 1
c. 2
b. 3
d. 4

14) No of ET in 4.5 KW regulators ( a )
a. 1
c. 2
b. 3
d. 4

15) Rectifier converts ( b )
a. DC to AC
c. AC to AC
b. AC to DC
d. DC to DC

16) Give the half load setting of R/R for TL application ( a )
a. 19 Amps
c. 21 Amps
b. 20 Amps
d. 22 Amps

17) Required level of Illumination for Ordinary sleeper coach ( c )
a. 14 Lux
c. 20 Lux
b. 22 Lux
d. 16 Lux

18) Give the tension length of spring used in Tension rod of 4.5 KW Alternator ( a )
a. 310 mm
c. 269 mm
b 265 mm
d. 275 mm

19) Why lead acid cells are called as Secondary cells ( c )
a. Since it can’t be recharge
c. Since it can be recharge
b. Since it can’t charge initially
d. None

20) Name the method to be used to find out Earth leakage ( a )
a. Double test lamp method
c. Tong tester method
b. Multi meter method
d. Volt meter method

21) Voltage setting in VRLA cells for Express & passenger trains is ( c )
a. 128 ± 0.5V & 127 ± 0.5V
c. 12 ± 0.5V & 128 ± 0.5V
b. 125 ± 0.5V & 125 ± 0.5V
d. 124 ± 0.5V & 122 ± 0.5V

22) If alternator is not generating voltage, the reason would be ( d )
a. Field may be open
c. Dropping of V-belts
b. Fuse in regulator had blown
d. All the above

23) The size of bus bars recommended to use in 4.5KW ERRU is ( b )
a. 90 Sq. mm
c. 50 Sq. mm
b. 16 Sq. mm
d. None

24) Terminals of IGBT are ( b )
a. Base, emitter, collector
c. Gate, source, drain
b. Gate, emitter, collector
d. None

25) No. of zeners connected across the primary of the step down transformer of power module. ( a )
a. 4
c. 2
b. 3
d. 1

II. WRITE DOWN THE ABBREVIATIONS:
1 PWM : Pulse Width Modulation.
2 VRLA : Valve Regulated Lead Acid
3 IGBT : Insulated Gate Bi polar Transistor
4 FRPCPY : Failure Rate Percentage Per Year.
5 BTU : British Thermal Unit.
6 IOD : Injured On Duty.
7 LAP : Leave at Average Pay
8 LHAP : Leave at Half Average Pay
9 CL : Casual Leave
10 PNM : Permanent Negotiable Machinery
11 AIRF : All India Railway men federation.
12 NFIR : National Federation of Indian railways.
13 DA : Dearness allowance
14 TA : Traveling allowance or transportation allowance
15 LWP : Leave without pay
16 CCA : City compensatory allowance.
17 PATB : Passenger alarm terminal board
18 EFT : Emergency feeding terminals
19 PELE : Portable emergency lighting equipment
20 IRIEEN : Indian railways institute of electrical engineers
21 PERT : Programme evaluation & review techniques
22 DGS&D : Director General of supply and Disposal
23 EMD : Earnest Money Deposit
24 SD : Security Deposit
25 BG : Bank Guarantee
26 PG : Performance Guarantee
27 CRI : Colour rendering Index
28 D&G charges : Direction & General charges
29 PPCP : Poly Propylene Co-polymer
30 EEPROM : Electrically Erasable Programmable Read Only Memory