Objective Questions on Automobile Engineering

21-In tubular type radiator cores:
(A) Air flows through tubes and coolant passes around
(B) Coolant passes through tube and air passes around
(C) Air and coolant passes through tubes
(D) Air and coolant passes around tubes
[expand title=“View Answer“](B) Coolant passes through tube and air passes around[/expand]
 
22-The volatile liquid that filled in bellows type thermostat is:
(A) Ethylene glycol
(B) Freon
(C) Acetone
(D) Glycerene
[expand title=“View Answer“](C) Acetone[/expand]
 
23-What operation has to be done on the ends of brake pipe to prevent leakage?
(A) Purging
(B) Reaming
(C) Counter sinking
(D) Flaring
[expand title=“View Answer“](D) Flaring[/expand]
 
24-The brake pads of disc brakes are returned by:
(A) Retractor spring
(B) Rubber seal ring
(C) Shoe return spring
(D) Caliper
[expand title=“View Answer“](A) Retractor spring[/expand]
 
25-The part of hydraulic brake system which actuates brakes shoes directly:
(A) Master cylinder
(B) Push rod
(C) Wheel cylinder
(D) Brake pedal
[expand title=“View Answer“](C) Wheel cylinder[/expand]
 
26-The type of jack with diamond shaped frame having a nut on one side and sleeve on other side
(A) Tripod
(B) Trolley type
(C) Scissor typ
(D) Bottle type
[expand title=“View Answer“](C) Scissor typ[/expand]
 
27-Which of the following is a finishing operation for machined components?
(A) Broaching
(B) Cyaniding
(C) Vulcanization
(D) Honing
[expand title=“View Answer“](D) Honing[/expand]
28-In Semi floating type rear axle, the bearing is located
(A) On the axle and inside axle casing
(B) On the axle casing and inside the hub
(C) On the axle and inside the hub
(D) None of the above
[expand title=“View Answer“](A) On the axle and inside axle casing[/expand]
 
29-The tool which is used to remove gear, bearing, wheels and pulleys from their attaching components are:
(A) Screw driver
(B) Monkey plier
(C) Pullers
(D) Hammer
[expand title=“View Answer“](C) Pullers[/expand]
 
30-The type of gear wheels used in sliding mesh gear box is:
(A) Helical gear
(B) Double helical gear
(C) Spur gear
(D) Spiral gear
[expand title=“View Answer“](C) Spur gear[/expand]