Which pair of factors most directly affects the maximum allowable pressure drop within a system?
A) Type of refrigerant and gas velocity
B) Temperature of refrigerant and gas velocity
C) Temperature of refrigerant and type of refrigerant
D) Type of refrigerant and pipe size
C
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Gymnosperm seeds do not produce a true triploid endosperm as do dicots and monocots. The major storage tissue for gymnosperm seeds is the ________.
Fill in the blank(s) with the appropriate word(s).
What are two ways that insecticides can be classified based on their active ingredient?
What will be an ideal response?
A defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design.
a. true b. false
Mixed format: 
(with a space between the whole number and the numerator)Fraction format: 
Reduce all fractions. In estimating a job, it is decided that it should take 13 people 
hours each to do part of the work, and 7 people 
hours each to do the remainder of the job.
Determine the total number of hours estimated for the job. Fill in the blank(s) with the appropriate word(s).