| 1. A vacuum gauge is connected to the intake manifold of an engine and the needle fluctuates between (15 and 20 in Hg) at idle. This reading indicates: |
| A1-Engine Repair Sample Questions |
| 2. Technician A says that welding is an excepted method of cracked engine block repair. Technician B says that metal pinning/stitching is an accepted method of cracked engine block repair. Who's correct? |
| 3. The least likely to cause low oil pressure in an engine is: |
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| 4. Technician A says that torque to yield bolts can not be used twice. Technician B says that torque to yield bolts can be reused as long as they are cleaned and re-torqued. Who's right? |
| 10. A vehicle has white smoke coming from its tailpipe. The cause of this problem is most likely: |
| 7. A Technician installs a radiator pressure tester on the neck of a radiator. After starting the engine the pressure quickly rises to 18 psi. Technician A says this is a normal condition. Technician B says the engine may have a leaking cylinder head gasket. Who is Correct? |
| 6. Technician A says valve spring installed height is measured from the top of the valve spring retainer to the pocket in the cylinder head. Technician B says that the valve margin will not effect its operating temperature. Who's Correct? |
| 8. Two Technicians are discussing the PCV system on an engine. Technician A says a stuck closed PCV valve could cause engine oil seals to leak. Technician B says that the PCV system allows the blowby gases from the crankcase to flow into the intake manifold for recombustion. Who's Right? |
| 9. Technician A says that magnetic particle detection is an acceptable method to detect cracks in aluminum castings. Technician B says aluminum heads tend to twist at the ends when overheated. Who is Correct? |
| 5. The best tool to use to check crankshaft end-play is: |
| Free A.S.E. Study Guide An ASE Study Guide for the Automotive Technician |