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3.
The most significant distinction between modern internal combustion en-
gines and the early designs is the use of … .
A. pressure B. damping
C. ignition
D. compression
4.
A reciprocating engine has one or more cylinders in which pistons recip-
rocate … .
A. up and down
C. left and right
B. back and forth
D. round the cylinder
5.
Basic design divides engines into reciprocating and … ones.
A. royal
B. round
C. rotary
D. rolling
6.
Reciprocating engines are classified on the base of position and number
of … .
A. pistons
B. cylinders
C. crankshafts D. valves
7.
A. single-cylinder engine has one cylinder and piston connected to the … .
A. crankshaft
C. rotor
B. combustion chamber
D. stator
8.
Opposed-cylinder engine has… banks of cylinders opposite to each other
on a single crankshaft.
A. two
B. three
C. four
D. five
9.
An opposed-piston engine has … pistons in each cylinder with the combus-
tion chamber in the centre between the pistons.
A. two
B. three
C. four
D. five
10.
A. rotary engine is made of a large non-concentric rotor with a built-in…,
moving around a stationary block (stator).
A. cylinder B. crankshaft C. piston
D. gearwheel
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