Question 1

Why do most electric furnaces have several heating elements that are activated in stages ?

Accepted Answer

To avoid energizing ...

Question 2

Radiant heat is transferred by ____.

Accepted Answer

A)   ultraviolet rays
B)   infrared rays
C)   ionization
D)   refraction

Question 3

All electric furnaces use package sequencers.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following elements is not a power-consuming device ?

Accepted Answer

A)   The sequencer heater coil.
B)   A magnetic solenoid that moves the armature in a contactor.
C)   The contacts of a contactor.
D)   The blower motor.

Question 5

How should you determine the heat anticipator setting on a room thermostat ?

Accepted Answer

The setting is determined by t...

Question 6

Electric heating units provide almost instant heat. Therefore, anticipators are not needed in electric heat thermostats.

Accepted Answer

A) True 
 B)False

Question 7

One potential safety hazard that all technicians should be aware of when working on an electric furnace is that there are many exposed electrical connections behind the inspection panels .

Accepted Answer

A) True 
 B)False

Question 8

Quartz and glass panel electric units are classified as ____.

Accepted Answer

A)   natural-convection heaters
B)   forced-convection heaters
C)   forced-draft conductors
D)   radiant heaters

Question 9

If the fan were to fail and the limit switch stuck closed, the element would be cut off by the ____________________.

Accepted Answer

The answer of If the fan were to fail and...

Exam 30: Electric Heat

How should you determine the heat anticipator setting on a room thermostat ?

Correct Answer
verified
The setting is determined by t...
View Answer

Which of the following elements is not a power-consuming device ?

Correct Answer
verified

One potential safety hazard that all technicians should be aware of when working on an electric furnace is that there are many exposed electrical connections behind the inspection panels .

Correct Answer
verified

If the fan were to fail and the limit switch stuck closed, the element would be cut off by the ____________________.

Correct Answer
verified

Quartz and glass panel electric units are classified as ____.

Correct Answer
verified

All electric furnaces use package sequencers.

Correct Answer
verified

Electric heating units provide almost instant heat. Therefore, anticipators are not needed in electric heat thermostats.

Correct Answer
verified

Radiant heat is transferred by ____.

Correct Answer
verified

Why do most electric furnaces have several heating elements that are activated in stages ?

Correct Answer
verified
To avoid energizing ...
View Answer

Exam 30: Electric Heat

How should you determine the heat anticipator setting on a room thermostat ?

Correct AnswerverifiedThe setting is determined by t...View AnswerShow Answer

Which of the following elements is not a power-consuming device ?

Correct AnswerverifiedShow Answer

One potential safety hazard that all technicians should be aware of when working on an electric furnace is that there are many exposed electrical connections behind the inspection panels .

Correct AnswerverifiedShow Answer

If the fan were to fail and the limit switch stuck closed, the element would be cut off by the ____________________.

Correct AnswerverifiedShow Answer

Quartz and glass panel electric units are classified as ____.

Correct AnswerverifiedShow Answer

All electric furnaces use package sequencers.

Correct AnswerverifiedShow Answer

Electric heating units provide almost instant heat. Therefore, anticipators are not needed in electric heat thermostats.

Correct AnswerverifiedShow Answer

Radiant heat is transferred by ____.

Correct AnswerverifiedShow Answer

Why do most electric furnaces have several heating elements that are activated in stages ?

Correct AnswerverifiedTo avoid energizing ...View AnswerShow Answer

Correct Answer
verified
The setting is determined by t...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
To avoid energizing ...
View Answer