Mechanical Engineering Gate Yearwise 


Mechanical Engineering Gate 2014 Set-3 Questions with Answer

Ques 53 GATE 2014 SET-3

For a gas turbine power plant, identify the correct pair of statements.

P. Smaller in size compared to steam power plant for same power output
Q. Starts quickly compared to steam power plant
R. Works on the principle of Rankine cycle
S. Good compatibility with solid fuel

A

P, Q

B

R, S

C

Q, R

D

P, S


(d) is the correct answer.

Ques 54 GATE 2014 SET-3

Which one of the following pairs of equations describes an irreversible heat engine?

A

∮δQ/T > 0 and ∮δQ < 0

B

∮δQ/T < 0 and ∮δQ < 0

C

∮δQ/T > 0 and ∮δQ > 0

D

∮δQ/T < 0 and ∮δQ > 0


(a) is the correct answer.

Ques 55 GATE 2014 SET-3

Consider a single degree-of-freedom system with viscous damping excited by a harmonic force. At resonance, the phase angle (in degree) of the displacement with respect to the exciting force is

A

0

B

45

C

90

D

135


(c) is the correct answer.

Ques 56 GATE 2014 SET-3

The damping ratio of a single degree of freedom spring-mass-damper system with mass of 1 kg, stiffness 100 N/m and viscous damping coefficient of 25 N·s/m is _______


(1.25) is the correct answer.

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