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SPM Menservis Motosikal Practice Questions - Sijil Pelajaran Malaysia (SPM) Menservis Motosikal Motorcycle Servicing - Vocational Subject Code 7107 Exam
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Question
1
of 25
QUESTION 1 / 25
Which of the following is the main purpose of following workshop safety rules when servicing a motorcycle?
Choose one answer below.
A
To finish the job faster regardless of hazards
✓
B
To prevent accidents and ensure work is carried out in a systematic and controlled manner
✓
C
To reduce the number of tools needed for a job
✓
D
To avoid buying personal protective equipment
✓
QUESTION 2 / 25
Which item of personal protective equipment is most important when using a bench grinder or angle grinder in the motorcycle workshop?
Choose one answer below.
A
Ear plugs only
✓
B
Safety goggles or a face shield to protect the eyes from flying sparks and debris
✓
C
A raincoat
✓
D
Fingerless gloves for better grip on the grinder handle
✓
QUESTION 3 / 25
A torque wrench (perengkuh daya kilas) is used in motorcycle servicing to...
Choose one answer below.
A
Measure the compression pressure inside a cylinder
✓
B
Tighten fasteners such as cylinder head bolts to a specific, manufacturer-recommended tightness
✓
C
Check the internal diameter of a cylinder bore
✓
D
Measure the voltage output of the charging system
✓
QUESTION 4 / 25
A technician needs to measure the outside diameter of a piston pin with high precision. Which measuring tool is most appropriate?
Choose one answer below.
A
A steel rule
✓
B
A micrometer
✓
C
A compression gauge
✓
D
A feeler gauge
✓
QUESTION 5 / 25
A feeler gauge (tolok rasa) is commonly used in motorcycle servicing to...
Choose one answer below.
A
Measure small clearances such as spark plug gap or valve clearance
✓
B
Measure fuel tank capacity
✓
C
Test battery voltage
✓
D
Measure tyre tread depth
✓
QUESTION 6 / 25
What does a compression gauge (tolok mampatan) attached to the spark plug hole measure?
Choose one answer below.
A
The pressure generated inside the cylinder during the compression stroke
✓
B
The voltage generated by the ignition coil
✓
C
The flow rate of fuel through the carburettor
✓
D
The temperature of the cooling system
✓
QUESTION 7 / 25
In a motorcycle service workshop, why are separate stores usually provided for tools, spare parts, and fuel?
Choose one answer below.
A
To increase the total floor area of the workshop
✓
B
To organise items safely and reduce the risk of fire, contamination or misplacement
✓
C
Because exactly three stores are always required by regulation
✓
D
To make it harder for technicians to find items quickly
✓
QUESTION 8 / 25
Which type of fire extinguisher is generally most suitable for a fire involving spilled petrol in a motorcycle workshop?
Choose one answer below.
A
Water extinguisher, because water cools the fire fastest
✓
B
Dry powder or CO2 extinguisher, because water can spread a burning flammable liquid
✓
C
A bucket of sand only, because it is the cheapest option
✓
D
There is no need for a fire extinguisher near flammable liquids
✓
QUESTION 9 / 25
A trainee accidentally touches a hot exhaust pipe and suffers a minor burn on the hand. What is the most appropriate immediate first-aid action?
Choose one answer below.
A
Apply ice directly onto the burn for as long as possible
✓
B
Cool the burn under clean running water for several minutes, then cover it loosely
✓
C
Apply engine oil to the burn to soothe the skin
✓
D
Pop any blisters that form to relieve pressure
✓
QUESTION 10 / 25
Before starting to service a motorcycle, why is a centre stand or motorcycle lift (bike lift) used?
Choose one answer below.
A
To make the motorcycle look better in the workshop
✓
B
To hold the motorcycle stable and upright so it does not fall while being serviced
✓
C
To increase the motorcycle's fuel efficiency during the service
✓
D
To charge the motorcycle's battery automatically
✓
QUESTION 11 / 25
A motorcycle engine's main function is to...
Choose one answer below.
A
Store electrical energy for the lighting system
✓
B
Convert heat energy from burning fuel into mechanical energy to move the motorcycle
✓
C
Cool the rider during long journeys
✓
D
Filter impurities from the fuel before combustion
✓
QUESTION 12 / 25
Motorcycle engines used in the KSSM Menservis Motosikal syllabus are classified mainly by...
Choose one answer below.
A
The number of gears in the transmission
✓
B
The number of piston strokes required to complete one power cycle (two-stroke or four-stroke)
✓
C
The colour of the exhaust pipe
✓
D
The brand of the spark plug fitted
✓
QUESTION 13 / 25
In a four-stroke motorcycle engine, what is the correct order of the four strokes in one complete cycle?
Choose one answer below.
A
Compression, Intake, Power, Exhaust
✓
B
Intake, Compression, Power, Exhaust
✓
C
Power, Compression, Intake, Exhaust
✓
D
Intake, Power, Compression, Exhaust
✓
QUESTION 14 / 25
During the compression stroke of a four-stroke engine, what is the state of the intake and exhaust valves?
Choose one answer below.
A
Both valves are open
✓
B
Both valves are closed while the piston moves upward, compressing the air-fuel mixture
✓
C
The intake valve is open and the exhaust valve is closed
✓
D
The exhaust valve is open and the intake valve is closed
✓
QUESTION 15 / 25
Which stroke of the four-stroke cycle produces the mechanical power that drives the motorcycle?
Choose one answer below.
A
Intake stroke
✓
B
Compression stroke
✓
C
Power (combustion) stroke, when the spark plug ignites the compressed mixture
✓
D
Exhaust stroke
✓
QUESTION 16 / 25
Compared with a four-stroke engine, a two-stroke motorcycle engine completes one power cycle in...
Choose one answer below.
A
Four piston strokes and two crankshaft revolutions
✓
B
Two piston strokes and one crankshaft revolution
✓
C
One piston stroke and one crankshaft revolution
✓
D
Six piston strokes and three crankshaft revolutions
✓
QUESTION 17 / 25
Why must a two-stroke motorcycle engine that lacks a separate oil sump have oil mixed with the petrol or supplied through an oil-injection system?
Choose one answer below.
A
Because two-stroke engines do not need lubrication at all
✓
B
Because the crankcase in most two-stroke engines is also used to pre-compress the air-fuel mixture, so a wet sump of oil cannot be kept there, yet moving parts still need lubrication
✓
C
Because mixing oil with petrol increases the octane rating of the fuel
✓
D
Because oil mixed with petrol prevents the spark plug from fouling
✓
QUESTION 18 / 25
What are the two main types of piston rings found in a motorcycle engine and their general functions?
Choose one answer below.
A
Compression rings seal combustion pressure; oil control rings regulate the oil film on the cylinder wall
✓
B
Intake rings and exhaust rings, which open and close the ports
✓
C
Timing rings and idling rings, which control engine speed
✓
D
Cooling rings and heating rings, which manage engine temperature
✓
QUESTION 19 / 25
What is the main function of the crankshaft in a motorcycle engine?
Choose one answer below.
A
To convert the piston's up-and-down motion into rotary motion that can drive the transmission
✓
B
To store fuel before it enters the carburettor
✓
C
To generate the spark that ignites the air-fuel mixture
✓
D
To filter air before it enters the engine
✓
QUESTION 20 / 25
Which of the following best describes the function of a cylinder head on a motorcycle engine?
Choose one answer below.
A
It houses the valves, spark plug and combustion chamber, sealing the top of the cylinder
✓
B
It stores the engine oil supply for lubrication
✓
C
It converts alternating current to direct current for the charging system
✓
D
It transmits power from the engine to the rear wheel
✓
QUESTION 21 / 25
What is the function of the camshaft in a four-stroke motorcycle engine?
Choose one answer below.
A
To open and close the intake and exhaust valves at the correct time in relation to piston movement
✓
B
To ignite the air-fuel mixture at the top of the compression stroke
✓
C
To store electrical charge for the starter motor
✓
D
To cool the engine oil before it returns to the sump
✓
QUESTION 22 / 25
Periodic (scheduled) maintenance of a motorcycle, such as changing engine oil and checking spark plug condition at regular intervals, is important mainly because it...
Choose one answer below.
A
Increases the resale value of the motorcycle only
✓
B
Prevents unexpected breakdowns and keeps the engine operating safely and efficiently over its service life
✓
C
Is required only when the motorcycle fails a roadworthiness inspection
✓
D
Eliminates the need to ever replace worn engine parts
✓
QUESTION 23 / 25
'Decarbonising' (membuang karbon) an engine's combustion chamber and piston crown refers to...
Choose one answer below.
A
Removing carbon deposit build-up that can reduce engine efficiency and cause knocking
✓
B
Replacing the carburettor with a fuel-injection system
✓
C
Adding extra carbon fibre parts to reduce engine weight
✓
D
Charging the battery using a carbon-based charger
✓
QUESTION 24 / 25
The connecting rod (batang penyambung) in a motorcycle engine connects which two components?
Choose one answer below.
A
The piston and the crankshaft
✓
B
The camshaft and the valve
✓
C
The carburettor and the cylinder head
✓
D
The battery and the ignition coil
✓
QUESTION 25 / 25
A motorcycle engine loses power noticeably when accelerating, and a compression test shows lower-than-expected pressure in one cylinder. What is the most likely cause?
Choose one answer below.
A
A weak or discharged battery
✓
B
Worn piston rings, a leaking valve, or a damaged cylinder head gasket allowing compression to escape
✓
C
A blocked headlamp bulb
✓
D
Overinflated tyres
✓
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