RRB JE 2015-26-09-2015-3 RRB Question Paper

RRB JE 2015 Question Papers

RRB JE 2015-26-09-2015-3 RRB Questions

41.
Which of the following timbers is suitable for making sports goods?
A.
Mulberry
B.
Mahogany
C.
Sal
D.
Deodar
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ANSWER :
A. Mulberry
42.
Cement concrete is a
A.
Elastic material
B.
Visco-elastic material
C.
Non elastic material
D.
Plastic material
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ANSWER :
B. Visco-elastic material
43.
Which of the following is used to measure the discharge?
A.
Current meter
B.
Venturimeter
C.
Pitot tube
D.
Hotwire anemometer
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ANSWER :
B. Venturimeter
44.
Direct method of contouring is
A.
A quick method
B.
Adopted for large surveys only
C.
Most accurate method
D.
Suitable for hilly terrains
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ANSWER :
C. Most accurate method
45.
Which of the following soils has more plasticity index?
A.
Sand
B.
Silt
C.
Clay
D.
Gravel
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ANSWER :
C. Clay
46.
Seasoning of timber is required to
A.
Soften the timber
B.
Harden the timber
C.
Straighten the timber
D.
Remove sap from the timber
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ANSWER :
D. Remove sap from the timber
47.
An instrument transformer is used to extend the range of
A.
induction instrument
B.
electrostatic instrument
C.
moving coil instrument
D.
PMMC instrument
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ANSWER :
A. induction instrument
48.
Wattmeter cannot be designed on the principle of
A.
electrostatic instrument
B.
thermocouple instrument
C.
moving iron instrument
D.
electrodynamic instrument
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ANSWER :
C. moving iron instrument
49.
In an energy meter, braking torque is produced to
A.
safe guard it against creep
B.
brake the instrument
C.
bring energy meter to stand still
D.
maintain steady speed and equal to driving torque
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ANSWER :
D. maintain steady speed and equal to driving torque
50.
Resistances can be measured with the help of
A.
wattmeters
B.
voltmeters
C.
ammeters
D.
ohmmeters and resistance bridges
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ANSWER :
D. ohmmeters and resistance bridges