A timber that carries the weight of floors and interior walls is a(n) ____________________

Fill in the blank(s) with the appropriate word(s).


ANS: girder

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The efficiency of a Carnot cycle operation between the same temperature limits as the diesel cycle above is nearest:

The pressure and temperature at the inlet to an ideal diesel cycle, with P-v diagram shown, are 100 kPa and 10ºC. It has a compression ratio of 18 and a cut-off ratio of 2. The maximum temperature in the cycle is 1400ºC. Assume constant
specific heats from Table below for all calculations.

A) 87%
B) 85%
C) 83%
D) 81%

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What is the star, or wye, connection particularly suited for?

What will be an ideal response?

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The components of a commercial fan coil unit include:

A) A fan and electric strip heaters. B) A fan, a water coil, a filter, a fresh air supply, and a control system. C) A compressor, condenser, metering device, and evaporator. D) A fan, compressor and condenser.

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What effect does slowing down the blower speed have on a heating unit?

A) It causes return-air temperature to increase. B) It does not affect the unit temperature. C) It decreases the air temperature rise. D) It increases the air temperature rise.

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