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Home > Ordnance Documents and other related manuals > > Practice Exercise - OD10010080
Figure 49. Exhaust Stroke
Answers to Practice Exercise 2

Wheeled Vehicle Engines
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Lesson 2
PRACTICE EXERCISE
1.
What are the two types of straight diesel engines presently used by the Army?
a.
Two- and four-stroke cycle
b.
Compression-ignition and spark-ignition
c.
Multifuel and compression-ignition
2.
Which cylinder arrangement is used in the present military four-stroke-cycle diesel engines?
a
In-line and V-type
b
In-line only
c
V-type only
3.
Superchargers are used on compression-ignition engines to
a.
decrease the combustion chamber temperature.
b.
decrease detonation knock.
c.
increase the engine horsepower.
4.
What percentage of a barrel of crude oil can be used in the multifuel engine?
a.
100
b.
71
c.
54
5.
The combustion chambers of the multifuel engine are designed to stop detonation knock by
a.
scavenging the cylinders.
b.
steady burning of the fuel.
c.
supercharging the air intake.
73






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