MCQOPTIONS
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MCQOPTIONS
This section includes 4791 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1401. |
The parking brake generally acts on |
| A. | front wheels |
| B. | rear wheels |
| C. | front and rear wheels |
| D. | propeller shaft |
| Answer» C. front and rear wheels | |
| 1402. |
The correct way to rectify an imbalanced wheel is to |
| A. | adjust the tyre pressure |
| B. | rotate the tyres |
| C. | adjust the damper spring tension |
| D. | attach appropriate weights to the wheel at appropriate positions |
| Answer» E. | |
| 1403. |
When the piston is at T.D.C, the volume above the piston in the combustion chamber is the |
| A. | clearance volume |
| B. | cylinder volume |
| C. | exhaust volume |
| D. | none of these |
| Answer» B. cylinder volume | |
| 1404. |
In a hydraulic power steering system, the power steering pump is driven by a |
| A. | belt-driven by camshaft |
| B. | chain-driven by crankshaft |
| C. | belt-driven by driveshaft |
| D. | belt-driven by crankshaft |
| Answer» E. | |
| 1405. |
The fuel that detonates easily, is |
| A. | n-heptane |
| B. | iso-octane |
| C. | benzene |
| D. | alcohol |
| Answer» B. iso-octane | |
| 1406. |
The rolling resistance is because of the friction between the |
| A. | wheel rim and tyre |
| B. | tyre and the road surface |
| C. | wheel rim and road surface |
| D. | none of these |
| Answer» C. wheel rim and road surface | |
| 1407. |
When the engine speed increases, the ignition timing must be advanced. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 1408. |
The acid used in automobile battery is |
| A. | hydrochloric acid |
| B. | hydrofluoric acid |
| C. | nitric acid |
| D. | sulphuric acid |
| Answer» E. | |
| 1409. |
The crankcase dilution means |
| A. | dilution of fuel in the crankcase |
| B. | dilution of oil by water in the crankcase |
| C. | dilution of lubrication oil by fuel in the crankcase |
| D. | dilution of mixture passing through crankcase in two-stroke engines |
| Answer» D. dilution of mixture passing through crankcase in two-stroke engines | |
| 1410. |
The Diesel engine works on |
| A. | Otto cycle |
| B. | Carnot cycle |
| C. | Diesel cycle |
| D. | Rankine cycle |
| Answer» D. Rankine cycle | |
| 1411. |
When a gear box has four forward speeds and one reverse speed, it is said to be a |
| A. | 3-speed gear box |
| B. | 4-speed gear box |
| C. | 5-speed gear box |
| D. | 6-speed gear box |
| Answer» C. 5-speed gear box | |
| 1412. |
The basic purpose of providing caster angle on wheels is to |
| A. | prevent uneven tyre wear |
| B. | maintain directional control |
| C. | bring the road contact of the tyre under the point of load |
| D. | compensate for wear in the steering linkage |
| Answer» C. bring the road contact of the tyre under the point of load | |
| 1413. |
Which of the following bulb in a car will have the least wattage ? |
| A. | Head light bulb |
| B. | Stop light bulb |
| C. | Parking light bulb |
| D. | Ignition warning bulb |
| Answer» E. | |
| 1414. |
Engine misfiring is likely to result from |
| A. | spark plug gap too small |
| B. | spark plug gap too wide |
| C. | vapour lock in the fuel only |
| D. | incorrect fuel air mixture |
| Answer» C. vapour lock in the fuel only | |
| 1415. |
The basic part of the engine, to which the other engine parts are attached or assembled is the |
| A. | cylinder head |
| B. | crankshaft |
| C. | cylinder block |
| D. | oil pan |
| Answer» D. oil pan | |
| 1416. |
When cornering, the differential generates a difference in the speed of the left and right wheels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1417. |
If clearance volume of I.C. engines is increased, the compression ratio will |
| A. | increase |
| B. | decrease |
| C. | remain constant |
| D. | be doubled |
| Answer» C. remain constant | |
| 1418. |
The basic function of the suspension is to |
| 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 |
| Answer» B. ensure that the steering wheel can deliver a suitable amount of steering force | |
| 1419. |
The power actually developed inside the engine cylinder is called as |
| A. | indicated power |
| B. | brake power |
| C. | frictional power |
| D. | none of these |
| Answer» B. brake power | |
| 1420. |
For the same maximum pressure and 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 |
| Answer» B. Otto cycle is more efficient than Diesel cycle | |
| 1421. |
The combustion process in a Diesel engine is a |
| A. | constant volume process |
| B. | constant pressure process |
| C. | constant temperature process |
| D. | adiabatic process |
| Answer» C. constant temperature process | |
| 1422. |
The damper fluid leakage typically occur from |
| A. | upper damper mounting |
| B. | bottom of damper |
| C. | clearance between inner and outer tubes of damper |
| D. | coil spring mounting |
| Answer» D. coil spring mounting | |
| 1423. |
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 |
| Answer» E. | |
| 1424. |
The main function of a resonator is that it |
| A. | regulates the intake air flow rate |
| B. | reduces the intake air noise . |
| C. | enhances intake efficiency |
| D. | regulates the intake air temperature |
| Answer» C. enhances intake efficiency | |
| 1425. |
The compression ratio of a petrol engine is nearly |
| A. | 4:1 |
| B. | 8:1 |
| C. | 15:1 |
| D. | 20:1 |
| Answer» C. 15:1 | |
| 1426. |
The rigid suspension is beneficial when |
| A. | it is desired to reduce the unsprung mass |
| B. | it is desired to have more flexibility in design |
| C. | it is desired to improve tyre-to-ground contact characteristics |
| D. | large changes in load make it necessary to have a large suspension stroke |
| Answer» E. | |
| 1427. |
Damper is also known as |
| A. | shock absorber |
| B. | torsion bar |
| C. | spring |
| D. | radius rod |
| Answer» B. torsion bar | |
| 1428. |
An oil filter bypass valve opens when the |
| A. | engine is cold |
| B. | engine overheats |
| C. | oil filter becomes clogged |
| D. | engine runs at high speed |
| Answer» D. engine runs at high speed | |
| 1429. |
The order in which effort applied to the steering wheel is transferred to the front wheel is |
| 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 |
| Answer» C. steering wheel - steering shaft - steering gearbox - steering knuckle - tie rod - front wheels | |
| 1430. |
A battery can be charged by |
| A. | adding distilled water |
| B. | adding sulphuric acid |
| C. | applying voltage in the reverse direction to that of charging |
| D. | applying a voltage in the same direction to that of charging |
| Answer» D. applying a voltage in the same direction to that of charging | |
| 1431. |
When the front wheels of a vehicle are locked during braking, then |
| 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 |
| Answer» E. | |
| 1432. |
The main characteristics of a maintenance-free (MF) battery is that |
| 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 |
| Answer» D. recharging of a maintenance-free battery is neither required nor possible | |
| 1433. |
A basic difference between the spark ignition engine and the Diesel engine is that the |
| A. | Diesel engine compresses air alone instead of an air-fuel mixture |
| B. | air temperature ignites the fuel in the Diesel engine |
| C. | fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke |
| D. | all of the above |
| Answer» E. | |
| 1434. |
The timing belt is attached to the camshaft pulley and |
| A. | timing belt drive pulley |
| B. | distributor |
| C. | radiator fan pulley |
| D. | alternator pulley |
| Answer» B. distributor | |
| 1435. |
The cam shaft in an engine is always mounted |
| A. | parallel to the crankshaft |
| B. | perpendicular to the crankshaft |
| C. | inclined to the crankshaft |
| D. | none of these |
| Answer» B. perpendicular to the crankshaft | |
| 1436. |
Caster is a |
| A. | forward tilt of the kingpin |
| B. | backward tilt of the kingpin |
| C. | either 'a' or 'b' |
| D. | none of these |
| Answer» D. none of these | |
| 1437. |
In which of the following conditions, the idle CO percentage should be measured with the vehicle ? |
| 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. |
| Answer» B. Headlights and other electrical devices are switched on. | |
| 1438. |
The lower cylindrical portion of the piston which improves piston cooling performance is called |
| A. | piston crown |
| B. | connecting rod |
| C. | piston pin boss |
| D. | piston skirt |
| Answer» E. | |
| 1439. |
A laminated glass upon cracking |
| A. | bursts into sharp edged fragments |
| B. | bursts into granular pieces |
| C. | sandwiched layer traps the fragments |
| D. | breaks into the form of crystals |
| Answer» D. breaks into the form of crystals | |
| 1440. |
In a four speed four-stroke Diesel engine, the intake valve |
| A. | opens at T.D.C. and closes at B.D.C. |
| B. | opens at 20 before T.D.C. and closes at 35 after B.D.C. |
| C. | opens at 10 after T.D.C. and closes at 20 before B.D.C. |
| D. | none of the above |
| Answer» C. opens at 10 after T.D.C. and closes at 20 before B.D.C. | |
| 1441. |
The purpose of adding pigment to the paint is that it |
| A. | optimises the viscosity of paint |
| B. | makes paint film hard |
| C. | gives colour and filling up effect to the paint |
| D. | none of the above |
| Answer» D. none of the above | |
| 1442. |
The painting of automobiles is done to |
| A. | prevent rust from growing on the body |
| B. | improve its external appearance |
| C. | retain the characteristics of steel for long |
| D. | all of these |
| Answer» E. | |
| 1443. |
The main task of a battery in automobiles is to |
| A. | supply electricity to the alternator |
| B. | act as a reservoir or stabilizer of electricity |
| C. | supply electricity to the vehicle's electrical system at all times while the engine is running |
| D. | supply a large amount of power to turn the starter motor when the engine is being started |
| Answer» E. | |
| 1444. |
The major purpose of an electronically-controlled automatic transmission is that this type of transmission |
| A. | eliminates gear clutches |
| B. | eliminates the gear shift lever |
| C. | reduces the number of automatic-transmission components |
| D. | reduces shift shock and achieves more efficient transmission of engine torque |
| Answer» E. | |
| 1445. |
When the top of the wheel is tilted outward, then it is called |
| A. | positive camber |
| B. | negative camber |
| C. | positive caster |
| D. | negative caster |
| Answer» B. negative camber | |
| 1446. |
The connecting rods are generally made of __________ shaped cross-section. |
| A. | I |
| B. | C |
| C. | L |
| D. | H |
| Answer» B. C | |
| 1447. |
In a __________ , two or more operations are performed simultaneously at the single stroke of the ram. |
| A. | simple die |
| B. | progressive die |
| C. | combination die |
| D. | compound die |
| Answer» C. combination die | |
| 1448. |
When a pattern is made in three parts, the __________ is known as a drag. |
| A. | bottom part |
| B. | middle part |
| C. | top part |
| Answer» B. middle part | |
| 1449. |
A safety valve mainly used with locomotive and marine boilers is |
| A. | lever safety valve |
| B. | dead weight safety valve |
| C. | high steam and low water safety valve |
| D. | spring loaded safety valve |
| Answer» E. | |
| 1450. |
Fire tube boilers are |
| A. | internally fired |
| B. | externally fired |
| C. | internally as well as externally fired |
| D. | none of these |
| Answer» B. externally fired | |