Why is more horsepower required to produce a ton of cooling at an evaporator saturation temperature of 0°F than at 40°F?
What will be an ideal response?
The lower temperature evaporator increases the pressure difference that the compressor must maintain.
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What type of air is supplied through the draft hood and helps to maintain a more constant draft pressure and to lower the temperature of chimney gases?
a. primary air b. secondary air c. exhaust air d. dilution air
Which of the following is true about a battery?
A. The liquid inside is not corrosive. B. It contains electrolytes. C. Disconnect the positive battery cable first. D. It produces hydrogen, which is flammable.
Which of the following can multimeters be used to measure?
A) Temperature, resistance, and distance B) Voltage, current, and resistance C) Voltage, temperature, and pressure D) Current, pressure, and temperature
Describe in detail the process you would use to make a garbage bag. Your description should include the details of the machine, the die (mold), the downstream equipment, and general operations
What will be an ideal response?