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LUBRICATION SYSTEM MCQs

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1. The engine oil level should be checked
(A) A few minutes after the ignition switch is turned off
(B) While the engine is running
(C) Immediately after the ignition switch is turned off
(D) While the engine is running at high idle speed

2. Correct flow chart of lubrication in engine
(A) Oil strainer → Oil pump → Relief valve → Oil filter → Cylinder block → Cylinder head → Oil pan
(B) Oil pump → Oil strainer → Relief valve → Oil filter → Cylinder block → Cylinder head → Oil pan
(C) Oil strainer → Oil filter → Relief valve → Oil pump → Cylinder block → Cylinder head → Oil pan
(D) Oil strainer → Oil pump → Relief valve → Oil filter → Cylinder head → Cylinder block → Oil pan

3. What is the function of orifice in lubrication system
(A) Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
(B) Turns oil into fine mist for spray lubrication
(C) Returns cylinder head lubricating oil to the oil pan at high speed
(D) Removes impurities from cylinder head lubricating oil

4. The component of the oil filter that prevents the passage of metal particles and sludge is
(A) Case
(B) Relief valve
(C) Check valve
(D) Element

5. Which of the following indicates multi-grade oil?
(A) SAE 30
(B) API SF
(C) API 50
(D) SAE 20W50

6. Which of the following oil is more viscous?
(A) SAE 30
(B) SAE 40
(C) SAE 70
(D) SAE 80

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