What is the purpose of low ambient controls for air-cooled condensers?
A) To control the ambient temperature
B) To increase the fan speed to compensate for low barometric pressure
C) To maintain a minimum head pressure, even at lower-than-normal operating conditions
D) To maintain a maximum head pressure, even at lower-than-normal operating conditions
C
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What cutting fluid should be used when tapping threads to a cast iron block?
A. dry B. soluble oil C. water D. lard
?Diagonal wear lines on the rear tires could be caused by what?
A. ?Toe angle error B. ?Camber angle error C. ?Wheel offset D. ?Ride height error
Answer the following statement(s) true (T) or false (F)
1. Each dimension shall have a tolerance, except for those dimensions specifically identified as reference, maximum, minimum, or stock. 2. The tolerance may be applied directly to the dimension or indicated by a general note or located in the print tolerance block. 3. It is normal to assume or scale a distance or size on a print. 4. Wires, cables, sheets, rods, and other materials manufactured by gage or code numbers shall be specified by linear dimensions indicating the diameter or thickness.
Charging batteries can produce hydrogen and oxygen gasses.
Answer the following statement true (T) or false (F)