Automobile Engineering MCQ

21-In which type of steering gearbox, variable steering ratio is achieved?
(A) worm and roller steering gear
(B) worm and nut steering gear
(C) worm and sector steering gear
(D) rack and pinion steering gear
[expand title=”View Answer”](D) rack and pinion steering gear[/expand]
 
22-The engine valves are closed by
(A) Cam shaft
(B) Crank shaft
(C) Valve spring
(D) Piston
[expand title=”View Answer”](C) Valve spring[/expand]
 
23-The process commonly used for the manufacturing of cylinder liners is:
(A) forging
(B) centrifugal casting
(C) plaster mould casting
(D) moulding
[expand title=”View Answer”](B) centrifugal casting[/expand]
 
24-The effect of carbon deposits on the cylinder head inside the combustion chamber is:
(A) increased delay period
(B) increased fuel economy
(C) reduced compression ratio and pre-ignition
(D) increased compression ratio and pre-ignition
[expand title=”View Answer”](D) increased compression ratio and pre-ignition[/expand]
 
25-In charging system the regulator acts as:
(A) An automatic control
(B) An electronic control
(C) Manual control
(D) Semi automatic control
[expand title=”View Answer”](A) An automatic control[/expand]
 
26-The rotor type oil pump has:
(A) an inner rotor with a lobe less that the outer rotor
(B) an outer rotor with a lobe less than the inner rotor
(C) an inner rotor with a lobe more than the outer rotor
(D) two rotor with same number of lobes
[expand title=”View Answer”](A) an inner rotor with a lobe less that the outer rotor[/expand]
 
27-The stub axle is connected to the front main axle beam by means of:
(A) Shackle pin
(B) Wrist pin
(C) King pin
(D) Tie rod
[expand title=”View Answer”](C) King pin[/expand]
 
28-The test for finding the chemical conditions of the positive and negative battery plates is:
(A) Open volt test
(B) High discharge test
(C) Specific gravity test
(D) Cadmium test
[expand title=”View Answer”](D) Cadmium test[/expand]
 
29-The oil pump is generally driven by:
(A) Crank shaft
(B) Cam shaft
(C) Distributor
(D) Fan
[expand title=”View Answer”](B) Cam shaft[/expand]
 
30-Function of ECM is:
(A) To charge the engine according to the requirement
(B) To start the engine smoothly
(C) To control the emission
(D) To increase engine life
[expand title=”View Answer”](A) To charge the engine according to the requirement[/expand]