1. 1. Wear on equipment surfaces is causes by.....

• A. Contact of two metal surfaces

• B. Low film strength

• C. Bad quality of lubricant

• D. All of the above

2. 2. Lubricant act as a coolant to carry away heat

• A. True

• B. False

3. 3. What is the main purpose of the lubricant?

• A. Minimize the friction

• B. Increase the friction

• C. Increase the wearness

• D. Increase the noise

4. 4. On increasing the lubrication, the efficiency of the machine_________

• A. increase

• B. decrease

• C. remain same

• D. does not get affected

5. 5.What is the primary purpose of a lubrication system?

• A. Reducing friction and wear

• B. Enhancing heat dissipation

• C. Aiding in power transmission

• D. Increasing fuel efficiency

6. 6. Which components pressurizes oil in a pressure lubrication system?

• A. Oil filter

• B. Oil pump

• C. Oil pan

• D. Oil cooler

7. 7. What is the purpose of the oil filter in a lubrication systems?

• A. To cool the oil

• B. To clean the oil

• C. To pressurize the oil

• D. To store excess oil

8. 8. Which type of lubrication system is commonly used in high-speed engines?

• A. Mist lubrication

• B. Splash lubrication

• C. Circulating lubrication

• D. Drip lubrication

9.What is the purpose of a lubrication system's oil pressure gauge?

• A. To indicate the oil level

• B. To measure oil temperature

• C. To monitor oil pressure

• D. To calculate oil viscosity

10. 10.Select the incorrect statement from the following option :

• A. Lubricant keeps out dirt

• B. Lubricant act as a seal

• C. Lubricant transmit fluid power

• D. Lubricant enhance corrosion