Thursday, September 22, 2011

Mechanic quensions!! experts coming! HELP!!?

1. Which of the following components prevents oil from draining out of an oil filter and back down to the oil pan when the engine is shut off?

A. A pressure-relief valve

B. The oil filter mount

C. The oil filter gasket

D. An anti-drain-back valve

2. Three automotive technicians are discussing how oil should be changed in a vehicle. Technician A says that an engine should be run for a few minutes before the oil is drained from the oil pan, and then again after the oil is changed to make sure that the lubrication system is completely filled with oil. Technician B says that the engine should be completely cold when the oil is changed. Technician C says that the oil pressure indicator should be checked after the engine is filled with oil. Which of the following statements is correct?

A. Only Technician A

B. Only Technician B

C. Both Technician A and C

D. Both Technician B and C

3. In most engines, _______ are used to seal the ends of the oil galleries in order to prevent the oil from running out of the engine.

A. rear main seals

B. rubber gaskets

C. gallery plugs

D. metal washers

4. Which of the following is a possible cause of a high-oil pressure condition?

A. A worn main bearing

B. A pressure-relief valve stuck in the closed position

C. A leak at the oil pan drain plug

D. A clogged screen on the pickup tube inlet

5. The component that sends oil pressure information to the oil pressure gage on the instrument panel is called the

A. oil pump.

B. hydraulic lifters.

C. oil sender.

D. oil temperature gage

6. A motor oil's SAE rating is a measure of

A. the oil's ability to prevent rust and corrosion in an engine.

B. how easily the oil will pour at certain temperatures.

C. the amount of silicon the oil contains.

D. the oil's load-carrying ability.

7. Which of the following components removes dirt and debris from the oil before it's pressurized by the oil pump?

A. The screen on the oil pickup tube

B. The oil filter

C. The oil pan sump

D. The main oil gallery

8. Worn bearing inserts, a worn oil pump, a leak in the oil pickup tube, or a clogged pickup tube screen are all common causes of

A. low oil pressure.

B. pressurized oil leaks.

C. high oil pressure.

D. excessive oil consumption.

9. Connecting rod bearings are lubricated by oil that

A. flows through passages in the crankshaft.

B. flows up through the push rods.

C. drips out of the ends of the lifters.

D. is splashed around by the crankshaft.

10. The component that limits the amount of oil pressure that can be developed in a lubrication system is the

A. oil sender.

B. anti-drain-back valve in the oil filter.

C. pressure-relief valve in the oil pump.

D. oil pressure indicator.

11. If an engine's oil pressure is low and you hear light tapping noises at the top of the engine, the noises are usually a result of

A. high oil pressure.

B. a lack of oil in the hydraulic lifters.

C. the wrong type of oil being used in the system.

D. too much oil in the oil pan.

12. Which of the following is a likely location for a pressurized oil leak to occur?

A. In the oil pan

B. At the oil drain plug

C. At the valve cover gasket

D. At the rear main seal

13. Oil from the sump must flow through the _______ in order to reach the oil pump.

A. oil filter

B. main oil gallery

C. push rods

D. pickup tube

14. A pressure-relief valve that's stuck in the open position will cause

A. a high-oil pressure condition.

B. excessive oil consumption.

C. a high oil temperature reading.

D. a low-oil pressure condition.

15. To help keep the temperature of its oil down, the engine in a high-performance car or a heavy-duty truck may route oil through high-pressure hoses to

A. an oil cooler.

B. an oil pressure gage.

C. an oil temperature gage.

D. a remote-mounted oil filter.

16. Worn oil rings on the pistons, leaky valve seals, and worn valve guides are all possible causes of

A. high oil pressure.

B. excessive oil consumption.

C. an oil pressure indicator malfunction.

D. pressurized oil leaks.

17. The maximum allowable oil pressure in an automotive lubrication system is usually about

A. 160 psi.

B. 100 psi.

C. 60 psi.

D. 30 psi.

18. A remote oil filter mount is connected to the engine block by

A. a threaded tube.

B. a rubber gasket.

C. high-pressure rubber hoses.

D. several threaded bolts.

19. The large passageway that runs the entire length of the engine block and distributes oil to all the vital engine parts is called the

A. oil pump driveshaft.

B. main oil gallery.

C. oil sender.Mechanic quensions!! experts coming! HELP!!?
1: D

2: C

3: C

4: B

5: C

6: B

7: B

8: A

9: A

10: C

11: B

12: D

13: A

14: D

15: A

16: B

17: C

18: C

19: BMechanic quensions!! experts coming! HELP!!?
dccbcb,7isa and c,aacbdddabbcbMechanic quensions!! experts coming! HELP!!?
1.D, 2.C, 3.A, 4.B, 5.C, 6. B, 7.A, 8.D, 9.B, 10.C, 11.B, 12.C, 13.D, 14.D, 15.A, 16.B, 17.C, 18.A, 19. B

Hope this helpsMechanic quensions!! experts coming! HELP!!?
1. D 2. C 3. C 4. B 5. C 6. B 7. A 8. A 9. A 10. C 11. B 12. D



13. D 14. D 15. A 16. B 17. B 18. C 19. B



I hope I'm not doing your homework for you. GLMechanic quensions!! experts coming! HELP!!?
1d,2c,3c,4b,5c,6b,7a,8a,9a,10c, 11b,12d,13d,14d,15a,16b, 17c, 18c,19b.