What suction line size would you chose for the following system? A medium temperature walk-in using R404A, rated at 12,000, with a piping run of 50 feet.
a. 5/8” b. 7/8” c. 1-1/8”
b. 7/8”
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The discovery of what resource, besides diamonds, sparked the Boer Wars between Boers, English settlers, and Africans?
a. silver b. platinum c. gold d. emeralds
Two legs of a transmission line tower are each inclined 11°? from the vertical. What is the? angle between the two legs?
Fill in the blank(s) with the appropriate word(s).
Which type of port fuel injection groups the injectors into two groups, with each group firing once per crankshaft revolution?
A) Simultaneous double fired B) Sequential fired C) Throttle body injection D) Gang double fired
The signal given by extending both arms and moving them rapidly back and forth horizontally is _____
a. lower the boom b. swing the boom sideways c. raise the load d. emergency stop