ACR-205 Homework week 1

One type of material commonly used in electric heating is ________, which is short for nickel chromium.

The resistance wire used in electric heating elements is usually ____.

• nickel chromium

• aluminum

• copper

• nickel steel

Radiant heat is transferred by ____.

• infrared rays

• ultraviolet rays

• refraction

• ionization

Quartz and glass panel electric units are classified as ____.

• radiant heaters

• forced-draft conductors

• forced-convection heaters

• natural-convection heaters

The benefits of electric baseboard heating are that ____.

• Both

• none

• each room can be controlled individually

• they are inexpensive to install

Electric baseboard heaters are classified as ____.

• natural-convection heaters

• forced-convection heaters

• forced-draft conductors

• radiant heaters

Any unit heater designed to have air forced across the element should not be operated without the ____ operating.

• fan

• fuse

• interlock

• element

An electric heating unit that utilizes ductwork to distribute the heated air is classified as a ____.

• forced-convection heater

• natural-convection heater

• forced-draft conductor

• radiant heater

Generally speaking, electric heat is very efficient but can be more expensive to operate compared to oil and gas

• true

• false

Some units may be designed to move enough air across the heating elements so that they do not glow.

• true

• false