Levels make use of a glass tube filled with
What will be an ideal response?
a freeze?resistant liquid
You might also like to view...
El silicato de calcio/la perlita expandida se utilizan SOBRE TODO en:
a. trabajos a baja temperatura. b. sistemas de agua fría. c. tuberías subterráneas. d. sistemas de alta temperatura.
The newest HVACR control systems operate by:
A) Turning relay coils on or off to complete circuits. B) Processing electronic signals with a microprocessor. C) Providing a modulating air pressure in response to monitored conditions. D) Providing a varying DC voltage in response to monitored conditions.
Electrical distributors, often considered ____ providers, distribute materials to end users and contractors. a. solutions c. outside b. electricity d. inside
a. solutions b. electricity c. outside d. inside
Which metering device is very sensitive to the amount of refrigerant charge in a system?
a. Thermostatic expansion valve b. Capillary tube c. Electronic expansion valve d. Crankcase pressure regulator