What does the outdoor air thermostat control?
A) It prevents operation of the electric heating elements above its setpoint
B) It prevents operation of the heat pump above its setpoint
C) It controls whether or not the heat pump operates in heating or cooling
D) It controls the defrost cycle
A
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After the line has been tested, the person at the _____ end calls _____ to the person at the other end.
A. left, tight away B. right, tight away C. left, safe D. right, safe
The ____________________ adjustment on a scope controls the voltage displayed, the ____________________ adjustment on a scope controls the time of the trace
Fill in the blank(s) with the appropriate word(s).
You walk out the door of your office, and as you pass the secretary's desk you give her a
report and tell her you need it by quitting time today. At the same time, she is talking to someone on the phone and another person is trying to talk to her about another matter. If the report does not get done on time, what is the likely cause?
a. Perception b. Status differences c. Overload d. Poor listening skills e. Semantics
What is the duty cycle of a digital waveform with a pulse width of 10 ms a period of 90 ms?
A) 9% B) 11.1% C) 90% D) 10%