Show:
Flue Pipe.
Electric heat
---Frank---
What i have a kid?
Technicians
100

the horizontal pipe that connects the furnace to the chimney is called the ___________.

What is Flue pipe

100

 plastic flue pipe is connected and sealed by

What is pvc glue

100
Radiant heat is transferred by ______.
infrared rays
100
The limit switch is used on the electric element assebembly to ______.
open the circuit to the element if the furnace overheats
100
If there is too much primary air,the gas flame can ____.
get blown out. make noise.
200

vent is used for high efficiency

PVC

200

Type of heat by natural convection, no mechanical fans

What is base board heat

200
Quartz and glass panel electric units are classified as ____.
radiant heaters.
200
eletric baseboard heaters are classified as ______.
natural draft convectors.
200
Primary air adjusters on atmospheric type gas burners are usually _______.
butterfly shutters/ sliding sleeves/ spoiler screws.
300

type of vent pipe is used by code

What is double wall 'B' vent

300
The resistance wire used in electric heating elements is usally_________.
nickel chromium
300
A 10 kw heating element, operating on rated 240 v, will have a btu/h out put of ______.
34,130
300
True/false For maximum element life, the element must have suufficient air over all parts of the element to prevent any part of the element from glowing red.
True
300

 a heat strips are cooled by

what is airflow

400

 plastic flue pipe is connected and sealed by

What is pvc glue

400
Wire size is determind by which of the following? a. voltage b. amperage c. ohms d. watts
b. amperage
400

Heat strips are energized by

What is sequencers

400
Spark ignition is important for roof top or package units located outdoors because of _________ problems.
wind.
400
In a conventional gas furnace, the hot flue gases are vented by ______.
natural convection.
500

The reason pvc is used for high efficiency

What is corrosion and low temps

500

What is the typical pressure for a natural gas furnace manifold?

What is 3.5 w.c

500
All units have only one low- voltage power supply true or false.
What is; false.
500
On a gas furnace, what energizes the blower motor in the heat mode?
What is;; limit switch
500
A direct-spark ignition (Dsi) system is designed to _____.
What is; ignite the main burner.