BAJA Virtuals Online Practice Test

Leaf springs absorb shocks by

Coil springs absorb shocks by

The following is a type of leaf springs

The material used for making torsion bar is

Shackles are sort of

The condition that causes vapour locking in a brake system is

The portion of a crankshaft which rests on cylinder block is called main journal

The motion of the cam is transferred to the valves through

Which of the following symptom is caused as a result of brake disc run out ?

If the engine coolant leaks into the engine oil, then engine oil

The function of an alternator in an automobile is to

A clutch is usually designed to transmit maximum torque which is

Incorrect steering axis inclination (S.A.I.) causes

The torque available at the contact between driving wheels and road is known as

A traction control system (TCS) in automobiles controls the

In radial tyres

The vehicle ride will be comfortable if

Positive camber is used to compensate for wheels tilting inward due to the weight of the vehicle.

In a ventilated disc brake,

The effect of having excess camber is

The advantage of double-wishbone suspension design is that a large amount of freedom is available for setting geometry and precise settings can be made for driving comfort and steerability,

The co-efficient of rolling resistance for a truck weighing 63 500 N is 0.018. The rolling resistance to the truck is

The difference between DOT 3 and DOT 4 brake fluids is

The operation of removing trapped air from the hydraulic braking system is known as

The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called

The main function of the tread pattern on tyre is that

The coefficient of friction for the clutch facing is approximately

The component that connects the steering rack to the knuckles is

The main task of a battery in automobiles is to

The ball joints are used on the tie-rod ends, because they

The driveshafts are connected to the differential and wheel hubs through universal joints because the universal joints

The function of antilock brake system (ABS) is that is

A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it

Which part of the automobile tyre is subjected to greatest flexing action ?

The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of

Two advantages of using helical gears rather than spur gears in a transmission system are

When the brake pedal free play is less than the specified value, then the

The purpose of turning radius gauges is to measure the

In bias ply tyres

During braking, the brake shoe is moved outward to force the lining against the

If the valve clearances are excessively large, the problem that can arise is

The power source for a brake booster is

The specific gravity of acid in a fully charged battery is generally

The brake pedal during ABS operation

Wheel base of a vehicle is the

Which of the following oil is more viscous ?

In Diesel engines, the duration between the time of injection and the time of ignition is called

The negative terminal post on the top of a battery is

In a single dry plate clutch, torsional vibrations are absorbed by

In a four wheel drive (4WD), the number of gear boxes are

An over-inflated tyre will wear the tread most near the

If a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is

An engine has a clearance volume of 100 cm³ and a swept volume of 800 cm³. The compression ratio is

Toe-in ensures parallel rolling of the wheel thus stabilizing steering in addition to preventing both sides slipping and excessive tyre wear.

The clutch is located between the transmission and the

The brake warning light warns the driver of

The function of a governor in automobiles is to

Highest useful compression ratio (HUCR) is the highest compression ratio at which the

In comparison to frame type construction, the frameless structure construction of automobiles is economical when produced in __________ numbers.

The minimum parking brake force is generally __________ of gross vehicle mass (GVM)

A petrol engine of a car develops 125 N-m torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is