100+ Free SKM Motor Vehicle Mechanic L2 Practice Questions

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2026 Statistics

Key Facts: SKM Motor Vehicle Mechanic L2 Exam

60%

Passing Mark

JPK Guidelines

Exam Questions

Peperiksaan Akhir Teori

90 mins

Time Limit

Final Exam

RM 100

Registration Fee

JPK Centers

70:30

Practical-to-Theory Ratio

NOSS Standard

Lifetime

Certificate Validity

JPK Malaysia

The SKM Motor Vehicle Mechanic Level 2 (Malaysia) certification requires passing both a 60-question multiple-choice theory exam (60% passing mark) and a practical assessment. Governed by the Department of Skills Development (JPK), it is the standard entry-level qualification for automotive mechanics in Malaysia. The program involves 70% practical workshop training and 30% theory, providing direct pathways to Level 3 and careers in automotive dealerships and service centers.

Sample SKM Motor Vehicle Mechanic L2 Practice Questions

Try these sample questions to test your SKM Motor Vehicle Mechanic L2 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the primary function of the engine thermostat in a vehicle's cooling system?

A.To measure the oil pressure inside the engine block

B.To regulate the coolant temperature by controlling flow to the radiator

C.To speed up the flow of coolant through the water pump

D.To mix coolant and distilled water in a 50:50 ratio

Explanation: The thermostat acts as a temperature-controlled valve. When the engine is cold, the thermostat remains closed to keep coolant within the engine block for rapid warm-up. Once the engine reaches operating temperature, it opens to allow coolant to flow to the radiator for cooling.

2Which tool should a mechanic use to inspect and adjust the gap of a spark plug?

A.Dial indicator

B.Vernier caliper

C.Wire feeler gauge or spark plug gap tool

D.Outside micrometer

Explanation: A wire feeler gauge or dedicated spark plug gap tool is designed to accurately measure and adjust the clearance between the center and ground electrodes of a spark plug. Flat feeler gauges are less accurate on curved spark plug electrodes.

3In the engine oil viscosity rating '10W-40', what does the '10W' indicate?

A.The oil's flow characteristics at low temperatures (winter)

B.The oil's maximum operating temperature of 10 degrees Celsius

C.The oil's weight in kilograms per liter

D.The oil change interval of 10,000 kilometers

Explanation: In multi-grade engine oils, the number before the 'W' (which stands for Winter) indicates the oil's flow rate or viscosity rating at low temperatures. A lower winter rating (e.g., 5W vs 10W) means the oil flows better in cold starts.

4What is the primary function of the Positive Crankcase Ventilation (PCV) valve?

A.To increase fuel pressure to the injectors

B.To filter out dust from entering the intake manifold

C.To route blow-by gases from the crankcase back into the combustion chambers

D.To spray oil onto the cylinder walls to lubricate the pistons

Explanation: During engine operation, combustion gases leak past the piston rings into the crankcase (blow-by). The PCV valve routes these harmful gases back to the intake manifold so they can be burned in the cylinders, reducing emissions and preventing pressure build-up in the crankcase.

5What does a continuous blue-grey smoke from the vehicle's exhaust pipe typically indicate?

A.Unburned fuel escaping from a rich air-fuel mixture

B.Coolant leaking into the combustion chamber

C.Engine oil burning in the combustion chamber

D.Condensation in the exhaust system during cold mornings

Explanation: Blue-grey smoke is a classic sign of burning engine oil in the combustion chamber. This is usually caused by worn piston rings, worn cylinder walls, or worn valve stem seals letting oil bypass into the cylinders.

6Which of the following is the most appropriate service interval practice for the engine oil filter?

A.Clean and blow with compressed air every 5,000 km

B.Replace it every time the engine oil is changed

C.Replace it every third engine oil change

D.Wash it with petrol and reinstall it

Explanation: The oil filter collects metallic debris, carbon deposits, and contaminants. To protect the engine from wear, JPK standards and vehicle manufacturers recommend replacing the oil filter during every oil change to prevent unfiltered oil from bypassing a clogged filter.

7What is the function of the pressure valve inside a radiator cap?

A.To prevent the coolant from flowing into the water pump

B.To increase the pressure inside the cooling system, raising the boiling point of the coolant

C.To spray coolant into the cylinder head when it gets hot

D.To keep air trapped inside the radiator at all times

Explanation: A sealed cooling system under pressure raises the boiling point of the coolant (approximately 1.6°C for every 1 psi of pressure). The pressure valve in the radiator cap maintains this system pressure and opens only to release excess pressure to the coolant reservoir.

8What is the primary consequence of operating a vehicle with a severely clogged engine air filter?

A.Excessive coolant loss and engine overheating

B.Increased fuel consumption and reduced engine power output

C.Engine oil leaking from the valve cover gasket

D.An increase in engine idle speed (RPM)

Explanation: A clogged air filter restricts airflow into the cylinders, creating an air deficit. The engine computer compensates by adjusting fuel trim or the engine runs rich (on older carbureted systems), leading to poor performance, power loss, and poor fuel economy.

9Which of the following steps must be completed before performing a cylinder compression test on a petrol engine?

A.Keep the engine running at idle throughout the test

B.Disconnect the battery negative terminal to keep starter motor active

C.Disable the ignition system and disable the fuel injection system

D.Fully close the throttle plate to block air intake

Explanation: To perform a compression test safely and accurately, you must disable both the ignition system (to prevent high-voltage sparks) and the fuel system (to prevent unburned petrol from wash-cleaning the cylinder walls, which lowers compression).

10A mechanic performs a dry compression test and finds low compression in cylinder 3. After squirting a small amount of engine oil into the cylinder (wet test), the compression reading increases significantly. What does this indicate?

A.The intake or exhaust valves are leaking

B.The piston rings or cylinder walls are worn

C.The cylinder head gasket is blown between cylinders 2 and 3

D.The cylinder head is cracked

Explanation: Adding oil to the cylinder seals the clearance between the piston rings and the cylinder wall. If the compression increases during this 'wet' test, it proves the pressure leak was past the piston rings. If compression remains low, the leak is through the valves or a blown head gasket.

About the SKM Motor Vehicle Mechanic L2 Exam

Vocational and skills certification for light vehicle maintenance and repair in Malaysia. The SKM Level 2 theory exam requires 60% to pass (36/60 questions). Elevate your skills with our exam-style questions.

Questions

60 scored questions

Time Limit

1 hour 30 minutes

Passing Score

60%

Exam Fee

RM 100 (Department of Skills Development (JPK), Malaysia)

SKM Motor Vehicle Mechanic L2 Exam Content Outline

25%

Engine Systems & Maintenance

Engine operation, lubrication, cooling system, air/fuel filters, spark plugs, timing belt, and compression testing.

15%

Chassis & Driveline

Manual gearbox, clutch adjustments, propeller shaft, CV joints, differential, and exhaust maintenance.

20%

Brake Systems & Service

Disc and drum brakes, master/wheel cylinder, brake fluid, bleeding procedures, and diagnostics.

20%

Steering & Suspension Systems

Steering gears, rack and pinion, MacPherson struts, shock absorbers, wheel alignment (caster, camber, toe), and tyres.

20%

Electrical Systems & Troubleshooting

Batteries, starters, charging, fuses, relays, wiring diagrams, and digital multimeter usage.

How to Pass the SKM Motor Vehicle Mechanic L2 Exam

What You Need to Know

Passing score: 60%
Exam length: 60 questions
Time limit: 1 hour 30 minutes
Exam fee: RM 100

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

SKM Motor Vehicle Mechanic L2 Study Tips from Top Performers

1Practice wiring diagrams and relay terminal numbers (e.g., 30, 85, 86, 87) - they appear frequently in electrical sections.

2Understand the difference between wet and dry compression tests - it is a common diagnostic question.

3Memorize the standard wheel bleeding order for RHD cars: start furthest from the master cylinder (Left-Rear) and end closest.

4Review alignment definitions: Camber (tilt viewed from front), Caster (axis tilt viewed from side), and Toe (wheel direction from above).

5Do not forget workshop safety rules and correct measuring tool selection (micrometer vs dial indicator).

Frequently Asked Questions

What is the passing score for the SKM Level 2 theory exam?

The passing score for the JPK SKM Level 2 technical theory exam is 60%. This means you must answer at least 36 out of 60 multiple-choice questions correctly on the final theory paper (PAT).

What topics are covered on the SKM Motor Vehicle Mechanic Level 2 exam?

The exam covers five core technical areas from the NOSS (National Occupational Skills Standards): Engine Systems (25%), Chassis & Driveline (15%), Brake Systems (20%), Steering & Suspension (20%), and Basic Electrical Troubleshooting (20%).

Can I take the SKM Level 2 exam in English?

Yes. While the primary training language in Malaysia is Bahasa Melayu, JPK exam papers are often bilingual (Malay and English), and you can choose to study and practice questions in English.

How long is the SKM Level 2 theory examination?

The final theory examination (Peperiksaan Akhir Teori) is 1 hour and 30 minutes (90 minutes) long, consisting of 60 multiple-choice questions.

How is the SKM Level 2 certified?

The certification is competency-based. Calons must pass both the final written theory exam (PAT) and the final practical hands-on assessment (PAA) verified by an external verifier (PPL) appointed by JPK.