AUTOMOBILE ENGINEERING MCQ SECTION 26

251. Which of the following laws is applicable for the behavior of a perfect gas ?

(A) Boyle’s law

(B) Charles’ law

(C) Gay-Lussac law

(D) All of the above

Answer: - All of the above

252. Head developed by a centrifugal pump depends on

(A) impeller diameter

(B) speed

(C) fluid density

(D) (A) and (B) above

Answer: - (A) and (B) above

253. One horsepower is equal to

(A) 102 watts

(B) 75 watts

(C) 550 watts

(D) 735 watts

Answer: - 735 watts

254. In a centrifugal pump, the liquid enters the pump

(A) at the top

(B) at the bottom

(C) at the center

(D) from sides

Answer: - at the center

255. For small discharge at high pressure, following pump is preferred

(A) centrifugal

(B) axial flow

(C) propeller

(D) reciprocating

Answer: - reciprocating

256. Property of a fluid by which its own molecules are attracted is called

(A) adhesion

(B) cohesion

(C) viscosity

(D) compressibility

Answer: - cohesion

257. How many cells are used in a 12-volt car battery ?

(A) 2

(B) 4

(C) 6

(D) 8

Answer: - 6

258. If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about

(A) 17 : 1

(B) 15 : 1

(C) 13 : 1

(D) 10 : 1

Answer: - 10 : 1

259. In a single dry plate clutch, torsional vibrations are absorbed by

(A) Coil springs known as torsional springs

(B) Cushion springs

(C) Central hub

(D) Clutch pedal

Answer: - Coil springs known as torsional springs

260. Which of the following is not a part of the chassis ?

(A) Wheels

(B) Front axle

(C) Steering system

(D) Seats

Answer: - Seats