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Chapter 8 LUBRICANTS MCQs

1. Resistance to flow of a liquid is called:

(A) Viscosity


(B) Cetane number


(C) Octane number


(D) Vaporization




2. Parts are worn because of:

(A) Low viscosity oil


(B) High viscosity oil


(C) Both are wrong


(D) Both are correct




3. An oil container is labeled as SAE 5W-30. It means:

(A) In winter viscosity is 5


(B) In summer viscosity is 30


(C) All are correct


(D) It is multi-viscosity oil




4. Extreme pressure resistance additives are added in oil:

(A) To soften the carbon in lines


(B) To prevent foaming


(C) Energy conserving


(D) To give strong and slippery oil film




5. Following is correct about the job of oil:

(A) Minimize metal to metal contact


(B) Absorbing heat from parts


(C) All are correct


(D) Cushion the shock




6. Greasing gun is not used for:

(A) Control arm ball joints


(B) Cam lobe of distributor


(C) Propeller shaft universal joint


(D) Steering system ball joints




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