Multiple Choice Questions on Automobile | Objective Questions | Automobile Engineering Quiz | MCQ
1 >>When the front wheels of a vehicle are locked during braking, then?
2 >>The order in which effort applied to the steering wheel is transferred to the front wheel is ?
3 >>The best fuels for compression ignition engines are ?
4 >>An oil filter bypass valve opens when the ?
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5 >>Damper is also known as ?
6 >>The main characteristics of a maintenance-free (MF) battery is that ?
7 >>The most accurate ignition system of a spark ignition engine is ?
8 >>The main function of a resonator is that it ?
9 >>For the same maximum pressure and temperature ?
10 >>The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to ?
11 >>In which of the following conditions, the idle CO percentage should be measured with the vehicle? ?
12 >>The mechanical efficiency (?m) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power) ?
13 >>The lower cylindrical portion of the piston which improves piston cooling performance is called ?
14 >>The most effective method of controlling S.I. engine exhaust emission is by ?
15 >>The power actually developed inside the engine cylinder is called as ?
16 >>If clearance volume of I.C. engines is increased, the compression ratio will ?
17 >>The basic function of the suspension is to ?
18 >>Damper in an automobile is used to ?
19 >>The combustion process in a Diesel engine is a ?
20 >>The damper fluid leakage typically occur from ?
- (A) stopping distance becomes extremely long
- (B) front tyres skid across the road surface and the vehicle spins around
- (C) rear tyres skid across the road surface and the vehicle spins around
- (D) driver loses control over the steering, and the vehicle continues moving in its current direction
- (A) steering wheel - steering gearbox - steering shaft - tie rod - steering knuckle - front wheels
- (B) steering wheel - steering shaft - steering gearbox - tie rod - steering kunckle -front wheels
- (C) steering wheel - steering shaft - steering gearbox - steering knuckle - tie rod - front wheels
- (D) steering wheel - tie rod - steering gearbox - steering shaft - steering knuckle - front wheels
- (A) straight chain paraffins
- (B) aromatics
- (C) branched chain paraffins
- (D) napthalenes
- (A) engine is cold
- (B) engine overheats
- (C) oil filter becomes clogged
- (D) engine runs at high speed
5 >>Damper is also known as ?
- (A) shock absorber
- (B) torsion bar
- (C) spring
- (D) radius rod
- (A) a maintenance-free battery requires little maintenance during normal use and it is sufficient to add water instead of an electrolyte containing sulphuric acid
- (B) a maintenance-free battery has a relatively short shelf life when compared with standard batteries
- (C) since it is sealed, the water in a maintenance-free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
- (D) recharging of a maintenance-free battery is neither required nor possible
- (A) magneto system
- (B) battery system
- (C) electronic control unit system
- (D) magneto and electronic system
- (A) regulates the intake air flow rate
- (B) reduces the intake air noise .
- (C) enhances intake efficiency
- (D) regulates the intake air temperature
- (A) Diesel cycle is more efficient than Otto cycle
- (B) Otto cycle is more efficient than Diesel cycle
- (C) both Otto cycle and Diesel cycle are equally efficient
- (D) none of the above
10 >>The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to ?
- (A) enable the pump's fault-diagnosis function to operate
- (B) warm up and lubricate the pump
- (C) supply a large amount of fuel and thereby create a choke effect
- (D) pressurise the fuel system before the engine is started
- (A) Headlights and other electrical devices are switched off.
- (B) Headlights and other electrical devices are switched on.
- (C) Headlights and other lights are switched off.
- (D) Headlights are switched on.
12 >>The mechanical efficiency (?m) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power) ?
- (A) I.P/B.P.
- (B) B.P/I.P.
- (C) B.P/F.P
- (D) F.P./B.P.
- (A) piston crown
- (B) connecting rod
- (C) piston pin boss
- (D) piston skirt
- (A) recirculating exhaust
- (B) using catalytic converter
- (C) using some additives in the fuel
- (D) none of these
- (A) indicated power
- (B) brake power
- (C) frictional power
- (D) none of these
- (A) increase
- (B) decrease
- (C) remain constant
- (D) be doubled
- (A) absorb vibration and impact forces from the road surface
- (B) ensure that the steering wheel can deliver a suitable amount of steering force
- (C) ensure that wheel alignment is not disturbed during driving
- (D) automatically correct the effects of over steering
- (A) absorb the energy
- (B) dissipate the energy
- (C) release the energy
- (D) increase the energy
- (A) constant volume process
- (B) constant pressure process
- (C) constant temperature process
- (D) adiabatic process
- (A) upper damper mounting
- (B) bottom of damper
- (C) clearance between inner and outer tubes of damper
- (D) coil spring mounting