ASE test T2 Practice test 2 Questions and Answers with complete solution

A diesel engine is using too much oil. All of the following could be the cause EXCEPT A. Worn piston rings B. Worn valve guides C. Worn valve seats D. Loose oil pan fasteners - Answer-C. Worn valve seats (work valve seats can cause low compression, but will not cause oil consumption) Which of the following would be used to check liner installed height? A. Dial indicator/ Sled gage B. Inside micrometer C. Outside micrometer D. Dial caliper - Answer-A. Dial indicator/ Sled gage ( A Dial indicator, sometimes known as a sled gage, is normally used to check liner installed height) The fuel drains back to the tank after sitting overnight, which of the following could be the cause? A. A stuck open return check valve B. A stuck closed return check valve C. A restricted supply line D. A restricted return live - Answer-A. A stuck open return check valve ( A stuck open return check valve can allow fuel to drain back to the tank if the return line is not in submerged fuel)