In some applications of truck refrigeration, a liquid refrigerant is sprayed directly into the truck box to maintain low temperatures. The liquid refrigerant used is ____.
A. O2
B. N
C. CO2
D. NH3
Answer: B
Trades & Technology
You might also like to view...
By dividing the ____ rating of a lamp by the watts rating, a value called the efficacy of the lamp is determined.
A. volt B. lumen C. ampere D. color
Trades & Technology
Soil conservation workers are the primary group employed in occupations involving soil management
Indicate whether the statement is true or false
Trades & Technology
A typical MAP compares the vacuum in the intake manifold to ________
A) Barometric pressure B) The value of the IAT sensor C) Atmospheric pressure D) A perfect vacuum
Trades & Technology
__________ is the process of expanding the end of a tubing section so that another section of same size tubing can be inserted into it.
A. Enlarging B. Flaring C. Reaming D. Swaging
Trades & Technology