Lubrication System

Four stroke engine cycle are?

• induction, compression, push, exhaust 
• Intake, Manifold, Power, Exhaust
• Intake, compression, power, exhaust
• intake, manifold, push, out

The purpose of lubrication is

• To reduce friction.
• Transfer heat produced.
• To reduce wear.
• All of above.

Which of the following is NOT a function of lubricant on Internal Combustion engine ?

• Form a film to separate the surfaces.
• Withstand high temperature inside the cylinder.
• Adhere to surface.
• Reduce the roughness and improve the surface finish.

The lubricants commonly used in the automobiles are :

• Animal oils

• Vegetable oils

• Synthetic oils

• Palm oils

The most important property of the lubricant is :

• Density

• Viscosity

• Thermal conductivity

• None of the above

Mist lubrication system is mainly used in :

• Four-stroke petrol engine

• Four-stroke diesel engine

• Two-stroke petrol engine

• Wankle engine

Oil light indicator can appear on dashboard when oil pressure is low. What is the colour of the light ?

• White

• Red

• Amber

• Green

What does the "W" in a mult-viscosity stand for?

• Wicked

• Weight

• Warranty

• Winter

Which are COMMON multi-viscosity oils:

• 0W20

• 10W30

• 10W40

• All answers are common

What is the recommended oil change mileage for Fully Synthetic oil ?

• 5,000 Km

• 7,500 Km

• 10,000 Km

• 15,000 Km