How can a technician visually determine if there is ample air flow across a duct-mounted electric heater?
What will be an ideal response?
If there is insufficient air flow, the heater will glow red.
Trades & Technology
You might also like to view...
Todos los siguientes componentes forman parte de un disyuntor convencional SALVO:
a. un juego de contactos. b. un elemento de desconexión térmica. c. un enlace capaz de derretirse en caso de sobrecarga. d. terminales de carga y línea.
Trades & Technology
Exactly how many volts are carried by low-voltage lighting systems?
a. 12 c. 20 b. 15 d. 30
Trades & Technology
The Twelfth-Century Renaissance sought engagement with the world through
a. rhetoric. b. recitation. c. dialectic. d. art.
Trades & Technology
An inductive proximity detector senses __________.
A. metallic materials B. nonmetallic materials C. both a and b
Trades & Technology