Charging a system by weight is performed when _____
A) a complete charge is needed
B) only a partial charge is needed
C) the system uses a fixed-orifice metering device
D) the system uses a TXV for a metering device
Answer: A
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A stress riser is a point of stress concentration usually caused by an abrupt change in the thickness or _____ of a material or the presence of a sharp groove or crack on the material's surface.? ?
A. shape? B. size? C. width? D. height?
The ______ gland releases the hormone oxytocin as the mother cow prepares to be milked or to nurse
a. Pituitary c. Mammary b. Salivary d. All answers
Which of the following is NOT a type of backflow?
A. gravity B. back pressure C. back siphonage D. backwater
Proper dress includes:
A) Short hair and shirt sleeve shirt B) Any shoes, short hair and short sleeves C) Solid shoes, short or secured hair and a short sleeve shirt D) Solid shoes and a shop coat