What is the working principle for an atmospheric draft cooling tower?
What will be an ideal response?
Air flow through this tower is produced by natural circulation due to the density difference between the heated air in the tower and the cooler outside air.
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The ____________________ fan switch is nothing more than a thermostat that closes on a rise in temperature to start the fan motor when the furnace can supply warm air to the structure.
Fill in the blank(s) with the appropriate word(s).
Today's mice are ____________________ timid than their ancestors
Fill in the blank(s) with correct word
Boiler load is most closely defined as a:
a. plants demand for steam b. boilers steam capacity c. boilers total energy demand d. water load in boiler tubes
On a 50 division inch vernier height gage, the beam scale reads 7.500 and the vernier is coincident at the first mark past the zero index. The total reading would be:
A) 7.500 B) 7.499 C) 7.501 D) 7.255