1000+ Gate Mechanical Engineering Question Papers with Solutions - 2

Question: 6

Which one of the following is a safety device on a compressor?

(A) over speed shut down

(B) over pressure shut down

(C) relief valve

(D) strainer

Question: 7

To avoid moisture troubles, the branch connection from compressed air line are taken from

(A) right side

(B) left side

(C) top side

(D) bottom side

Question: 8

Free piston engines find application in

(A) supercharging of diesel engines

(B) gas turbines

(C) mining installations

(D) compressed air supply

Question: 9

The efficiency of a jet engine is higher at

(A) low speed

(B) high speeds

(C) lower altitudes

(D) higher altitudes

Question: 10

According to kinetic theory of heat

(A) at absolute zero there is absolutely no vibration of molecules

(B) at low temperatures all bodies are in solid state

(C) temperature should fall during freezing

(D) temperature should rise during boiling