Category: I.C. Engines

A. Zero
B. 5-10%
C. Depends on load
D. Considerable percent

A. 5
B. 7
C. 10
D. 13
E. 16

A. 30 – 65°C
B. 65 – 220°C
C. 220 – 350°C
D. 350 – 450°C
E. 450-550°C

A. S.I. engine
B. C.I. engine
C. both are equally good
D. multicylinder engine
E. two stroke engine

A. more
B. loss
C. same
D. may be more or less depending on engine capacity
E. unpredictable

A. Maximum
B. Optimum
C. Poor
D. Constant

A. 0.85
B. 1
C. 1.1 to 1.3
D. 1.2 to 1.5

A. opens at 20° before top dead center and closes at 35° after the bottom dead center
B. opens at top dead center and closes at bottom dead center
C. opens at 10° after top dead center and closes 20° before the bottom dead center
D. may open or close anywhere
E. remains open for 200°.

A. leaking piston rings
B. use of thick head gasket
C. clogged air-inlet slots
D. increase in clearance volume caused b bearing-bushing wear
E. all of the above

A. increase linearly
B. decrease linearly
C. increase parabolically
D. decrease parabolically
E. first decrease linearly and then increase parabolically