Page 14 (141-150)

Question 1

Automatically fired auxiliary boilers use fuel oil strainer arrangements of either the simplex type or __________.

Answer 1

duplex type

Question 2

“When centrifuging heavy fuel oil, an important factor to consider is the __________.

I. flow rate
II. viscosity of the fuel oil”

Answer 2

both I and II are correct

Question 3

A crankshaft whose center of gravity coincides with its center line is said to be __________.

Answer 3

statically balanced

Question 4

The amount of fuel injected in a particular time, or degree, of crankshaft rotation is termed __________.

Answer 4

rate of injection

Question 5

In a normally operating diesel engine, the main source of lubricating oil contamination in the crankcase is a result of the __________.

Answer 5

combustion byproducts removed from the cylinder walls

Question 6

Which of the following problems will cause above normal cooling water temperatures in a diesel engine using a closed freshwater cooling system?

Answer 6

Eroded baffle in the cooler

Question 7

Which of the following statements represents an advantage of an electromagnetic clutch?

Answer 7

Engine torsional vibrations to the driven shaft are eliminated.

Question 8

The diesel engine piston crown is indicated by the component labeled __________.

Answer 8

4

Question 9

Two air compressors are provided for the starting air system and should be capable of __________.

Answer 9

charging the starting air containers within one hour

Question 10

Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed?

Answer 10

Compensation