| ASE A1 Engine Repair Certification Practice Answers | |
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Answer A is correct. Valve spring installed height is measured from the base of the valve spring retainer to the pocket in the cylinder head. Answer B is wrong. If the margin of the valve is too thin the valve will overheat and burn. Answer C is wrong. A is correct. Answer D is wrong. A is correct. |
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Answer A is wrong. It should take time for the pressure to build. Answer B is correct. A leaking head gasket will force combustion into the coolant system causing an increase in system pressure. Answer C is wrong. Technician B is correct. Answer D is wrong. Technician B is correct. Return Learn more about cooling systems diagnosis. |
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Answer A is wrong. Both technicians are correct. Answer B is wrong. Both technicians are correct. Answer C is correct. A closed PCV valve will cause pressure to build in the crankcase forcing oil past engine seals. The PCV system is a one-way system that allows blow-by gases from the crankcase to flow into the intake manifold for re combustion. Answer D is wrong. Both technicians are correct. Return Learn more about the engines PCV system. |
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Answer A is wrong. Magnetic particle detection is the process used to detect cracks in cast iron heads and blocks. Answer B is correct. A special dye sprayed onto the cleaned surface is used to detect cracks in cylinder heads. Answer C is wrong. Technician B is correct. Answer D is wrong. Technician B is correct. Return Learn more about cylinder head inspection. |
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Answer A is wrong. Worn piston rings would burn oil producing blue/gray smoke. Answer B is correct. A leaking head gasket would cause coolant to leak from the jacket to the cylinder producing white/gray smoke. Answer C is wrong. Valve seals would burn oil especially at start up producing blue/gray smoke. Answer D is wrong. A leaking fuel injector would create a rich condition producing black smoke. Return Learn more about smoke color and diagnosis. |
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