RRB JE 2015-28-09-2015-3 RRB Question Paper

RRB JE 2015 Question Papers

RRB JE 2015-28-09-2015-3 RRB Questions

31.
Octal number 12 is equal to decimal number
A.
9
B.
10
C.
11
D.
12
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ANSWER :
B. 10
32.
The output of a NOR gate is HIGH if ...............
A.
all inputs are high
B.
any input is high
C.
any input is low
D.
all inputs are low
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ANSWER :
D. all inputs are low
33.
A circuit that uses an amplifier with passive filter elements is called a(n)
A.
relaxation oscillator
B.
signal generator
C.
active filter
D.
differential amplifier
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ANSWER :
C. active filter
34.
Ionization within a P-N junction causes a layer on each side of the barrier called the
A.
junction
B.
depletion region
C.
barrier voltage
D.
forward voltage
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ANSWER :
B. depletion region
35.
Cup-and-cone type fracture occurs in the case of
A.
Cast iron
B.
Round specimen of ductile metals
C.
Tough steel
D.
Soft brass
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ANSWER :
B. Round specimen of ductile metals
36.
Liquid limit of a soil indicates its
A.
Compressibility
B.
Permeability
C.
Optimum moisture
D.
Shear strength
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ANSWER :
A. Compressibility
37.
Deep beams are designed for
A.
Shear force only
B.
Bending moment only
C.
Both shear force and bending moment
D.
Bearing
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ANSWER :
B. Bending moment only
38.
Which one of the following stresses is independent of yield stress as a permissible stress for steel member?
A.
Axial tensile stress
B.
Maximum shear stress
C.
Bearing stress
D.
Stress in slab base
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ANSWER :
D. Stress in slab base
39.
The capillary depression in mercury is on account of
A.
Adhesion being larger than the viscosity
B.
Surface tension being larger than the viscosity
C.
Cohesion being greater than the adhesion
D.
Vapour pressure being small
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ANSWER :
C. Cohesion being greater than the adhesion
40.
Ranging is the process of
A.
Fixing ranging rods on the extremities of the area
B.
Aligning the chain in a straight line between two extremities
C.
Taking offsets from a chain line
D.
Chaining over a range of mountains
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ANSWER :
B. Aligning the chain in a straight line between two extremities