The quartz lamp heating element will respond:
a. Instantaneously
b. In a few seconds
c. In about one minute
d. In about thirty seconds
e. In about three minutes
Answer: B
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Power Engineering Chapter 103
- In an electric snow melting unit, a thermostat should be used to automatically shut the system down when the outdoor temperature is above
- The main disadvantage of electric heating is the
- Which of the following is not a gas-fired infrared heater?
- One of the advantages of gas-fired infrared heating over other types of heating systems is:
- Infrared heaters are used in:
- Infrared heaters send out _____ energy in the form of invisible infrared waves that travel in straight lines through the air.
- A low temperature catalytic heater contains a layer of:
- Electrical heating can be divided into two general groups:
- :One of the advantages of electric heating over other heating systems is:
- Most gas-fired infrared heaters use the principle of:
- Infrared heaters are usually mounted:
- One of the advantages of electric infrared heating by quartz lamp is:
- Of the following, which is a method of indirect electric heat?
- In an open wire type, heating element, the resistance wire is made of:
- In an internally fired, gas-fired infrared heater, the surface temperature is about:
- Infrared radiant energy is directed towards: