Take Maharashtra HSC Scooter & Motorcycle Servicing (Bifocal) Practice Questions - Maharashtra Higher Secondary Certificate (HSC Class 12) Scooter and Motorcycle Servicing - Bifocal vocational Exam

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Maharashtra HSC Scooter & Motorcycle Servicing (Bifocal) Practice Questions - Maharashtra Higher Secondary Certificate (HSC Class 12) Scooter and Motorcycle Servicing - Bifocal vocational ExamPractice mode

Question 1 of 25

QUESTION 1 / 25

In a four-stroke scooter or motorcycle engine, one complete operating cycle requires how many crankshaft revolutions?

Choose one answer below.

ATwo revolutions✓BOne revolution✓CThree revolutions✓DFour revolutions✓

0 of 25 answered

In a four-stroke scooter or motorcycle engine, one complete operating cycle requires how many crankshaft revolutions?

Compared with a four-stroke motorcycle engine of similar displacement, a classic two-stroke engine typically:

The part that moves up and down inside the cylinder and transfers force to the connecting rod is the:

Raising the geometric compression ratio of a gasoline motorcycle engine generally tends to:

On a typical OHC motorcycle four-stroke, the camshaft primarily controls:

Many scooters use forced air cooling with a fan. The main purpose of the cooling fan is to:

In a wet-sump four-stroke motorcycle engine, the oil pump’s primary job is to:

Excessive valve clearance (too large a lash) on a four-stroke motorcycle is most likely to cause:

In a crankcase-scavenged two-stroke motorcycle engine, fresh charge is typically transferred into the cylinder through:

Engine stroke length is the distance the piston travels between:

Many Indian three-wheelers use single-cylinder engines. A practical service reason to keep cooling fins clean is to:

A blown head gasket on a liquid-cooled motorcycle may allow coolant into the combustion chamber. A typical symptom is:

An engine described as “square” has bore approximately equal to stroke. Compared with a long-stroke design of similar displacement, a square engine often:

The flywheel on a motorcycle engine mainly helps to:

The main function of a motorcycle carburettor is to:

A clogged in-line fuel filter on a scooter most commonly causes:

If a carburettor float level is set too high, a common result is:

On a fuel-injected motorcycle, the ECU primarily uses sensor inputs to control:

A severely restricted dry-paper air filter on a scooter tends to produce:

A motorcycle that idles poorly and stumbles just off idle but runs better at higher throttle often points first to issues in the:

Before welding or grinding near a scooter fuel tank, the safest practice is to:

Many automatic scooters use a vacuum-operated fuel pump. The pump typically relies on:

A motorcycle that overheats, has a light-coloured spark plug insulator, and surges under load is most consistent with:

Using petrol with octane rating substantially below the manufacturer’s recommendation on a high-compression motorcycle can cause:

A spark plug’s primary job in a gasoline scooter engine is to: