Automobile Engineering MCQ

11-The main purpose of pressure radiator cap is to:
(A) pressurize the system
(B) increase air water circulation
(C) help to develop vacuum in the system
(D) avoid build up of pressure
[expand title=”View Answer”](D) avoid build up of pressure[/expand]
 
12-Inlet valve is made up of:
(A) Nickel chromium alloy steel
(B) High carbon steel
(C) Tungsten steel
(D) Mild steel
[expand title=”View Answer”](A) Nickel chromium alloy steel[/expand]
 
13-The material used for piston ring is:
(A) cast iron with silicon
(B) forged steel
(C) stainless steel
(D) aluminium alloy
[expand title=”View Answer”](D) aluminium alloy[/expand]
 
14-Which among the following maintains a constant level of petrol in float chamber?
(A) Petrol main jet
(B) Float and needle valve
(C) Float and throttle valve
(D) Choke valve
[expand title=”View Answer”](B) Float and needle valve[/expand]
 
15-The instrument used to measure cylinder bore diameter is:
(A) Outside diameter
(B) Vernier caliper
(C) Telescope gauge
(D) Bore dial gauge
[expand title=”View Answer”](D) Bore dial gauge[/expand]
 
16-The viscosity of multi-grade oil is determined at:
(A) 0°F
(B) 0°C
(C) 100°F
(D) 100°C
[expand title=”View Answer”](D) 100°C[/expand]
 
17-Which among the following is not a part of suspension system?
(A) Trailing link
(B) Tie rod
(C) Torsion bar
(D) Anti roll bar
[expand title=”View Answer”](B) Tie rod[/expand]
 
18-The warpage of machined faces of cylinder block and cylinder head can be checked with:
(A) Dial gauge
(B) Telescopic gauge
(C) Straight gauge
(D) Trammel
[expand title=”View Answer”](C) Straight gauge[/expand]
 
19-Radiator pressure cap contains:
(A) Pressure valve
(B) Thermostat valve
(C) Rotary valve
(D) Pressure and Vacuum valve
[expand title=”View Answer”](D) Pressure and Vacuum valve[/expand]
 
20-The use of flywheel is to
(A) rotate the engine by starting motor
(B) mount clutch assembly
(C) store the energy
(D) None of the above
[expand title=”View Answer”](C) store the energy[/expand]