Chapter 72

Question 0

Diesel engine governing is accomplished by:
A) varying the fuel quality
B) carburation
C) varying the fuel quantity
D) fuel atomizing air quantity
E) fuel atomizing air pressure

Answer 0

C) varying the fuel quantity

Question 1

In a compression ignition engine, the fuel is ignited by:
A) an electric spark
B) the compressed air temperature
C) the atomized fuel
D) a cross combustor
E) compressed air pressure

Answer 1

B) the compressed air temperature

Question 2

Four cycle engine lubrication is usually:
A) forced by pump
B) by gravity oilers
C) by the scoop method
D) by the dip tube method
E) by grease fitting

Answer 2

A) forced by pump

Question 3

Diesel engines require:
A) a spark plug in each cylinder
B) a carburetor
C) a magneto
D) a fuel injector
E) an ignition distributor

Answer 3

D) a fuel injector

Question 4

Ignition of the fuel in a Diesel engine is achieved by means of:
A) a precisely timed glow plug
B) the injector delivery valve pressure
C) the heat of compression
D) the fuel injector nozzle
E) a spark plug

Answer 4

C) the heat of compression

Question 5

In a four stroke cycle gasoline engine, each cylinder is fitted with two or more _____ valves held closed by _______________.

Answer 5

Poppet, rocker arm springs

Question 6

The cylinder walls of a four stroke cycle internal combustion piston engine are often lubricated by oil splashed up from the ________. The oil is kept out of the combustion chamber by the _____________.

Answer 6

Crankcase, piston rings