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Old 6th February 2013, 11:41 AM
kapilsac9
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Default RRB Previous Question Papers Je

Can you give me the RRB Je Mechanical Engineer Technical Questions Paper?
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Old 8th February 2013, 12:48 PM
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Join Date: May 2012
Posts: 58,029
Default Re: RRB Previous Question Papers Je

I am providing you the RRB Je Mechanical Engineer Technical Questions paper:
RRB Je Mechanical Engineer Technical Questions
A.. A single acting reciprocating pump, running at 60 r.p.m, delivers 0.01 m2/sec of water. The area of the piston is 0.05m2 and stroke length is 40 cm. Then theoretical discharge of the pump will be
(a) 0.015 m3/sec
(b) 0.02 m3/sec
(c) 0.025 m3/sec
(d) 0.03 m3/sec
Ans:- B

In question (A), the co-efficient of discharge would be
(a) 0.9
(b) 0.8
(c) 0.6
(d) 0.5
Ans:- D

In question (A), the slip of the pump would be
(a) 0.02 m3/sec
(b) 0.01 m3/sec
(c) 0.005 m3/sec
(d) 0.003 m3/sec
Ans:- B

Work done in a free expansion process is
a.0
b.minimum
c.maximum
d. positive

In a reciprocating engine
a. crankshaft and flywheel form 2 kinematic links
b. crankshaft and flywheel form 1 kinematics links
c. crankshaft and flywheel do not form kinematic links
d. flywheel and crankshaft separately form kinematic links

A kinematic chain is known as a mechanism when
a.none of the link is fixed
b.one of the links is fixed
c. two of the links are fixed
d.all of the links are fixed
The impact strength of an material is an index of its
a. Toughness
b. Tensile strength
c. Capability of being cold worked
d. Hardness
e. Fatigue strength
Ans :: a

For complete question are providing you attachment word file. You can download it.
Attached Files
File Type: doc RRB Je Mechanical Engineer Technical Questions.doc (37.5 KB, 19 views)
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