Two-wire control components are called ____ devices.
a. mechanical
b. pilot
c. coil
d. starter
b. pilot
Trades & Technology
You might also like to view...
Once begun, the War of 1812 was supported strongly by
A. practically all Americans. B. New England and the seaboard states. C. very few people. D. the West and South. E. Native Americans.
Trades & Technology
In a VAV system, the demand for heat is satisfied by _____.
a. a heater attached to the VAV terminal b. independent baseboard heat c. an independent heat pump d. electric heaters in the air handler
Trades & Technology
? Identify and state the historical significance of the New England Emigrant Aid Society.
What will be an ideal response?
Trades & Technology
A walk-in at 35° box temperature would require what type of defrost?
a. Off cycle b. Planned defrost – clock only c. Planned defrost with clock and electric heaters
Trades & Technology