Chapter 1 Review of Engine Operation 27
5. Technician A says the big end of a connecting rod fits
around the piston pin. Technician B says the big end
of a connecting rod fits around the crankshaft. Who is
correct?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
6. Technician A says the engine’s oil rings always fit into
the top groove on the pistons. Technician B says the
engine’s oil rings are normally located in the lowest
groove on the pistons. Who is correct?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
7. All of the following are basic parts of an automotive
engine’s piston assembly except:
(A) connecting rod.
(B) piston rings.
(C) crankshaft journal.
(D) piston pin.
8. The intake valve is _____ the exhaust valve.
(A) smaller than
(B) the same size as
(C) larger than
(D) All of the above.
9. While discussing the operation of a four-stroke cycle
engine, Technician A says every two up and down
strokes of the engine’s piston results in one power-
producing stroke. Technician B says every four up and
down strokes of the engine’s piston results in one
power-producing stroke. Who is correct?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
10. A(n) _____ is used to increase battery voltage to over
60,000 volts.
(A) starter
(B) magnet
(C) ignition coil
(D) alternator
11. All of the following are modern automotive emission
control systems except:
(A) air injection.
(B) PCV.
(C) intake valve.
(D) evaporative emissions control.