A fluid commonly used in cryogenic freezing is liquid _____.
a. HCFC-22
b. nitrogen
c. carbon monoxide
d. HFC-134a
Answer: v
You might also like to view...
When the heat of combustion is transmitted through a diesel engine block, the principle is known as:
A. conduction B. convection C. radiation D. evaporation
A _________________________ is drawn when the cutting plane extends completely through the object, usually along a center plane.
Fill in the blank(s) with the appropriate word(s).
There are several options for installing electrical panels. Rank them according to cost; "1" being the least expensive, "2" the next higher cost, "3" most expensive.
A. ________ In an alcove off the corridor. B. ________ Flush mounted. C. ________ Surface mounted.
Which of the following is a reason for crossbreeding?
A) To maintain the genetic superiority of a line of livestock B) Heterosis C) Breed complementation D) Both A and B E) Both B and C