List the air properties that are plotted on a psychrometric chart and give a brief description of each
What will be an ideal response?
Dry bulb temperature – the normal air temperature in degrees Fahrenheit Wet bulb temperature – the temperature of a thermometer with a wet bulb in degrees Fahrenheit. The wet bulb temperature reading takes the moisture in the air into account.
Enthalpy – Measures the total heat content of the air in BTUs per pound of air. Dew point temperature - Measures the temperature where water will start to condense out of the air.
Specific Humidity – Measures the weight of water vapor in the air in grains Relative humidity – Expresses the percentage of water vapor in the air compared to the amount of water vapor the air can hold.
Specific volume – Measures the space in cubic feet occupied by each pound of air.
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Technician A says that all late -model vehicles require manual adjustment of the bands at regular intervals. Technician B says a torque wrench is usually needed for proper band adjustment. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Why are stranded cooper wires used instead of solid copper wire?
What will be an ideal response?
List three fundamental practices used to reduce or eliminate a hazard.
What will be an ideal response?
A channel service unit (CSU) or digital service unit (DSU) is used to connect digital circuits from the ________ to the computing device defined as the DTE
Fill in the blank(s) with correct word