RRB JE 2015-26-09-2015-1 RRB Question Paper

RRB JE 2015 Question Papers

RRB JE 2015-26-09-2015-1 RRB Questions

11.
Calculate the tail stock set over to turn a taper of 1 in 10 on a job of 60 mm length
A.
6 mm
B.
3 mm
C.
10 mm
D.
60 mm
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ANSWER :
B. 3 mm
12.
The maximum flame temperature occurs
A.
At the outer cone
B.
At the inner cone
C.
Between the outer and inner cone
D.
At the torch tip
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ANSWER :
B. At the inner cone
13.
Down milling is also known as
A.
Conventional milling
B.
Climb milling
C.
End milling
D.
Face milling
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ANSWER :
B. Climb milling
14.
Bolt heads are manufactured by
A.
Swagging
B.
Roll forging
C.
Tumbling
D.
Upset forging
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ANSWER :
D. Upset forging
15.
The resistance of a conductor does not depend upon
A.
Shape of cross section
B.
Temperature
C.
Material
D.
Length
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ANSWER :
A. Shape of cross section
16.
.............. is not a resistance welding process.
A.
Projection
B.
Seam
C.
Flash
D.
Carbon arc
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ANSWER :
D. Carbon arc
17.
Which of the following motors will have the highest "no load" speed?
A.
Shunt motor
B.
Series motor
C.
Cumulative Compound motor
D.
Differential Compound motor
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ANSWER :
B. Series motor
18.
In the DC motor, iron losses occur in
A.
Field
B.
Armature
C.
Brushes
D.
Commutator
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ANSWER :
B. Armature
19.
The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be
A.
2
B.
3
C.
4
D.
5
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ANSWER :
C. 4
20.
A power plant usually works on
A.
Otto cycle
B.
Binary vapour cycle
C.
Brayton cycle
D.
Rankine cycle
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ANSWER :
D. Rankine cycle