Relays and contactors operate on the ____________________ principle.
Fill in the blank(s) with the appropriate word(s).
solenoid
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1.5 kg of air is initially at 25°C. The enthalpy of the air is increased by 850 kJ. Considering the variability of the specific heats, determine the final temperature of the air.
Given: m = 1.5 kg; T1 = 25°C; ?H = 850 kJ What will be an ideal response?
The sheep developed by the USDA to replace crossbreeding on the range is:
a. Rambouillet c. Columbia b. Corriedale d. Merino
The needle on the dial indicator has made two complete revolutions in a counterclockwise direction plus what is showing on the dial. What is the total measurement this balanced dial indicator has made?
Fill in the blank(s) with the appropriate word(s).
A service mast is made of rigid metal conduit or intermediate metal conduit and should be at least a __________ trade size conduit to provide adequate strength.
a. 1-inch b. 1.5-inch c. 2-inch d. 2.5-inch