How can a technician visually determine if there is ample air flow across a duct-mounted electric heater?

What will be an ideal response?


If there is insufficient air flow, the heater will glow red.

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In a rear-wheel drive vehicle with a live-axle rear suspension, the acceleration torque tends to rotate the front of the differential downward.

Answer the following statement true (T) or false (F)

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Which of the following is the amount of heat content, measured in BTUs per pound, in a substance usually compared to air at 0?F or water at 32?F?

a. convection b. enthalpy c. condensation d. humidity

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Today, bison producers can be found in _____ states

a. 37 c. 46 b. 43 d. 50

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A shopping mall has 31 air-conditioning units. Each unit can remove 37,000 British thermal units (Btu) of heat each hour. Find in Btu the total amount of heat that can be removed each hour.

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

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