Unit 14

Unit 14

Professional Development

34 Qs

quiz-placeholder

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 Unit 14

Unit 14

Assessment

Quiz

Professional Development

Professional Development

Practice Problem

Hard

Created by

Timothy McIntyre

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34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The purpose of a heat anticipator is to ____.

reduce the temperature swing of a conditioned space
anticipate a sudden rise in temperature
keep the thermostat warm
ensure that the system transformer does not overheat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The difference between system overshoot and system lag is called ____.

temperature swing
room temperature
temperature rise
room swing

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The heater in the thermostat control circuit in the cooling mode is active when the ____.

cooling contact is open
cooling contact is closed
fan switch is open
fan switch is closed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The heater in the thermostat control circuit in the heating mode is active when the ____.

cooling contact is closed
cooling contact is open
fan switch is open
fan switch is closed

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is meant by the term "detent"?

Rapid making and breaking of a contact.
Slow motion of a contact to ensure good electrical contact.
The compensation furnished by heaters in the thermostat.
The control of the blower in the air handler.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cold anticipator is wired in ____ with the mercury bulb cooling contacts and is energized during the off cycle.

parallel
series
sequence
opposition

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To properly set the heat anticipator, the ____ must determine what the current flow is through the heating control circuit when the furnace is operating in a steady state condition.

heating technician
manufacturer
homeowner
electrician

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