ASE A1 Engine Repair Practice Test
46.
The reading on the micrometer indicates:
- A. 6.05 mm
- B. 6.00 mm
- C. 5.50 mm
- D. 6.50 mm
47. A technician is checking for piston ring groove clearance. The proper technique includes.
- A. The old ring and a feeler gauge.
- B. The new ring and a feeler gauge.
- C. Only a feeler gauge.
- D. No feeler gauge is required.
48. A cylinder power balance test is being performed on a vehicle with sequential fuel injection. The number five cylinder's rpm drop is less than all of the others. Technician A says this could be the result of a restriction in the fuel injector. Technician B says this could be caused by leaking secondary insulation. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
49. A turbocharger wastegate is sticking. Technician A says a stuck open wastegate will result in overboost. Technician B says a stuck closed wastegate will result in an underboost condition. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
50. An engine has excessive crankshaft endplay. Which of the following is MOST likely causing this condition?
- A. Camshaft bearings
- B. Thrust bearings
- C. Crankshaft main bearings
- D. Rod bearings
