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Diesel Mechanic Practice Test: Cooling System & Lubrication System
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Diesel Mechanic Practice Test: Cooling System & Lubrication System
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25 Questions

1. Which one is the properties oflubricant
2. How the water pump get drive in pump circulation coolingsystem?
3. Where the metal fins are provided in the air cooledengine?
4. Which types of cooling system the rate of cooling is verylow?
5. Which part allows to flow water from upper tank to lower tank of theradiator?
6. Which part helps to increase the water boiling point in water coolingsystem?
7. What is the purpose of the radiator in the coolingsystem?
8. Where heat dissipation take place in cooling system?
9. A radiator pressure cap contains 2 valves. What are they?
10. What is the main function of a thermostat in cooling system?
11. Which part is used to pump the water in waterpump?
12. Between which two parts the thermostat is located in the cooling system?
13. Which part drives the oilpump?
14. Which part is lubricated by splash lubricationsystem?
15. What is the main purpose of thelubricant?
16. Which type of lubrication system is used in two strokeengine?
17. If thethermostat valve remain closed, then......
18. The boiling temperature of the coolant in the cooling system is increased by the use of....'..
19. What is the cause of water leakage in water pump?
20. What is the reason pump does not suck the oil?
21. Which oil is used in coolingsystem?
22. What is the purpose of water pump by-pass hole in the engine cooling system?
23. Which system the gear type oil pump is used?
24. Which lubrication system is used separate oiltank?
25. What is the purpose of metal fins in air coolingsystem?

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