Ase A1- Engine Repair 75 Correctly Answered Questions Latest Update

When a cylinder head is disassembled, the stem height on one of the valve is found to be too high. Which of the following can correct this? A. Regrind the valve B. Regrind the valve seat C. Install a new valve seat D. Install a shim {Ans: The correct answer is C. Installing a new valve seat will position the valve lower in the head and reduce stem height. A and B are incorrect because grinding the valve or seat will place the valve higher in the head and increase the stem height. D is also wrong; shims are used to correct valve spring installed height.}Technician A says that main bearing oil clearance can be checked with plastigage. Technician B says that main bearing oil clearance can be checked with a dial bore gauge. Who is right? A. Technician A only B. Technician B only C. Both A and B D. Neither A or B {Ans: The correct answer is C, both technicians are right. Either method can be used to check main bearing oil clearance.}In order to perform a proper compression test, all of the following conditions should be met EXCEPT: A. The throttle blades should be