MEE 102

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MEE 102

JUST FOR REVISION PURPOSE

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1. Which of the following statement(s) is/are true about the property of a good refrigerant?
i. Good refrigerants should have low latent heat of vaporization
ii. Low C.O.P in the working temperature range
iii. Very toxic and flammable
iv. It should be able to easily deplete the ozone layer and contribute to global
warming
v. It should have low specific heat and considerably high thermal conductivity

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2. ................. is the process by which engineers, technicians, craftsmen and every staff in the workshop carry out their duties without sustaining injuries or damaging any equipment

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3. All options given below indicate the symptom for a battery in a low state of charge except

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4. The main process whereby a lower temperature than that of the immediate surrounding can be achieved is called:

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5. All are cutting fluid except..........................................

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6. The more speed of a vehicle the more the fuel consumption rate

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7. What is the name of the component labeled I

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8. The part labelled D in the diagram below is called ...............

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9. Identify the tools below (i) & (ii)

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10. Which type of thread does the NUT has?

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11. The main two types of internal combustion engine are

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12. Calculate the no of holes to make 8 equal division slots on a 80mm diameter work piece on a milling machine using the Simple indexing method with the following index numbers;17,19,21,24,29,33,43,49

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13. High carbon steel tool has .............................. % of carbon

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14. The assembly of components parts of an equipment or a machine is called........

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15. Four stroke spark ignition engines require ----------------- piston strokes to complete one cycle

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16. ........................ is a hollow shaft that transmit power from the gear box to the rear axle

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17. On the lathe, the cross slide is used to take cut while the compound slide does the ........ feed by hand.

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18. The part labelled B in the diagram below is called .................

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19. All are cutting tool materials except............

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20. All the following tools are essential in the servicing of refrigeration and air- conditioning except---------------

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21. Hacksaw blade is made of............

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22. Which of the following is an example of halogenated refrigerant?

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23. The removal of thick layer of metal is known as .............

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24. The part labelled A in the diagram below is called .............

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25. What is the reading on the figure shown below:

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26. The winter type of air-conditioning systems is not an application of refrigeration system because

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27. To effectively carried out chiseling and chipping operation by a fitter you need chisel and .....

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28. Fiber-glass is a good example of ............................ materials.

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29. Sharpening of the edges of universal snip blade is done at angle............

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30. The amount of energy a material can absorb before fracture is ...

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