All electric motors must use brushes to transfer electric current

Indicate whether the statement is true or false


FALSE

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What workplace conditions should a process technician expect in the water and wastewater treatment industry?

A) Work in emergency situations B) Physically demanding work C) Indoors and outdoors work D) All of the above

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____________________ takes place at a temperature below 840°F.

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

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Refrigerant in the evaporator coil of an air conditioner changes from a liquid to a gas when hot air passes over it. The temperature of the refrigerant does not change. What concept does this demonstrate?

A) Latent heat B) Specific heat C) Convection D) Radiation

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If one of the power legs feeding a three phase motor is interrupted while the motor is operating:

A) The motor will immediately stop running and will not draw any current. B) The motor will slow down by one third. C) Nothing will happen because the motor can still operate on the remaining two legs. D) The motor will slow down, draw high amp draw and burn out.

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