E-mail and text messages to customers about their vehicle repairs should:
A. Stick to the facts
B. Be long and detailed
C. Convey personal feelings
D. All of the above
A. Stick to the facts
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Which of the following is not a symptom of heat exhaustion?
A. Headache B. Weakness C. Muscle cramps D. Stop sweating
Why must condensate pumps used with condensing furnaces be approved for furnace condensate use?
A) The condensate from a furnace is flammable and only furnace-rated condensate pumps can pump flammable liquid. B) The condensate from a furnace is mildly acidic and can damage the materials in some condensate pumps. C) The condensate from a furnace is mildly alkaline and can damage the materials in some condensate pumps. D) The furnace manufacturer will void the warranty if the wrong condensate pump is used.
In RC and RL integrators and differentiators, transient time is equal to the:
A) pulse width times five. B) time constant. C) pulse width. D) time constant times five.
The basic difference between a fuse and a circuit breaker is that:
A) a circuit breaker is reusable. B) a fuse is faster. C) a fuse is reusable. D) a circuit breaker is more reliable.