When a diesel engine is operating at maximum efficiency, what percentage of the heat energy of the fuel is discharged as rejected heat?
A. 20 percent
B. 40 percent
C. 60 percent
D. 80 percent
Answer: C
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Rigid polymeric foam is made from _____.
a. calcium silicate foam b. plastic foam c. glass foam d. resin foam
____________________ is the method that is used to vary the capacity of the compressor as the load increases and decreases.
Fill in the blank(s) with the appropriate word(s).
What can be used to prevent damage to vehicle components when hoisting?
A) The correct size lift pads B) A block of wood used with jack stands C) Both A and B D) Neither A nor B
A complex machine in which process variables such as pressure, temperature, level, and flow are manipulated simultaneously; separate control loops are used to regulate each one.
Answer the following statement true (T) or false (F)