What is a secondary refrigerant?
A) A secondary refrigerant is used in the second stage of a staging system.
B) A secondary refrigerant adds extra cooling capacity to the primary refrigerant.
C) A secondary refrigerant is used to replace an older CFC or HCFC.
D) A secondary refrigerant absorbs heat through temperature change only.
D
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In a(n) ____________________-type ignition system, a weak battery can cause ignition failure.
Fill in the blank(s) with the appropriate word(s).
In the electrical field, ____ notation is used instead of the standard metric prefixes.
a. engineering b. polish c. reverse polish d. hungarian
The only true wild horse is the E. przhevalskii, which now exists only in parts of Mongolia
Indicate whether the statement is true or false
With an in vitro culture, the explant, container, and solution must be sterile for healthy growth
Indicate whether the statement is true or false