Just before the piston reaches the top-dead center (TDC), a(n) ____ fires in the cylinder and ignites the compressed air–fuel mixture.
a. coil
b. distributer
c. spark plug
d. injector
c. spark plug
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Technician A says that some multivalve heads use control valves that cause only one intake valve to open at low rpm and another to open at higher rpm. Technician B says that other multivalve heads use two intake manifold runners per cylinder. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
When applying the principles of work and force:
A. No work is accomplished when an object is stopped by mechanical force B. If a 50-pound object is moved 5 feet, 250 ft-lb of work is produced C. Work is produced when a force moves a certain mass a specific distance D. All of the above
Most pickup trucks use which type of frame?
A) Unit body B) Stub frame C) Full frame D) None of these is correct.
There are 8/8 in an inch. How many 1/8 inches are there in the diameter of a 3-inch piston?
A. 24 B. 26 C. 28 D. 32