Technician A says most engines use two oil control rings and one compression ring. Technician B says low-tension oil rings reduce friction and improve fuel economy. Who is correct?
A. Technician A
B. Technician B
C. Both A and B
D. Neither A nor B
Answer: B
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An autotransformer is one of the methods used to _____.
a. increase startup voltage b. increase startup current c. reduce startup current d. decrease winding resistance
An organization where power and control are kept at the top levels of management is
a. centralized. b. decentralized. c. specialized. d. departmentalized. e. None of these.
To reset a tripped circuit breaker, the technician should:
A) Use a wireless breaker tool to reboot the breaker. B) Reinstall the breaker in the electric panel. C) First turn the breaker off, and then back on. D) Move the breaker switch to the on position.
Which of the following could result in low engine compression?
A) Cylinder head gasket B) Damaged valve C) Damaged piston or piston ring D) All of these are correct.