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

RRB JE 2015 Question Papers

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

31.
At room temperature, the current in intrinsic semiconductor is due to
A.
holes
B.
electrons
C.
ions
D.
holes and electrons both
😑 View Answer Rough Work
ANSWER :
D. holes and electrons both
32.
AB + AB' =
A.
B
B.
A
C.
1
D.
0
😑 View Answer Rough Work
ANSWER :
B. A
33.
Which of the following devices has one input and many outputs?
A.
Multiplexer
B.
Demultiplexer
C.
flip-flop
D.
Counter
😑 View Answer Rough Work
ANSWER :
B. Demultiplexer
34.
The number of bits in ASCII is
A.
7
B.
8
C.
9
D.
10
😑 View Answer Rough Work
ANSWER :
A. 7
35.
Poise can also be expressed as
A.
Dyne-cm/s²
B.
Dyne-cm/s
C.
Dyne-s/cm
D.
Dyne-s/cm²
😑 View Answer Rough Work
ANSWER :
D. Dyne-s/cm²
36.
Number of phases in soil mass is
A.
3
B.
2
C.
1
D.
4
😑 View Answer Rough Work
ANSWER :
A. 3
37.
Bolts are most suitable to carry
A.
Shear
B.
Bending
C.
Axial tension
D.
Shear and bending
😑 View Answer Rough Work
ANSWER :
C. Axial tension
38.
Spherical shape of droplets of mercury is due to
A.
High density
B.
High surface tension
C.
High adhesion
D.
Water
😑 View Answer Rough Work
ANSWER :
B. High surface tension
39.
The method of orienting a plane table with two inaccessible points is known as
A.
Intersection
B.
Resection
C.
Back sighting
D.
Two-point problem
😑 View Answer Rough Work
ANSWER :
D. Two-point problem
40.
The most likely time (m) is 'mode' of the
A.
Normal distribution
B.
Beta distribution
C.
Binomial distribution
D.
Poisson distribution
😑 View Answer Rough Work
ANSWER :
B. Beta distribution