What type of oil delivery system is recommended when the vacuum required for lifting the oil from the tank to the furnace is 16 in Hg?
A) A single-pipe oil delivery system with a single-stage pump
B) A two-pipe oil delivery system with a two-stage oil pump
C) A two-pipe oil delivery system with a single-stage oil pump
D) A single-pipe oil delivery system with a two-stage oil pump
B
You might also like to view...
Elevations are typically drawn at the same scale as the ____ plan.
A. floor B. base C. roof D. main
A ladder-mounted hoist can typically hoist a load of up to _____.
a. 200 pounds b. 300 pounds c. 400 pounds d. 500 pounds
Which term is used for the voltage measured from the center tap of one transformer in a delta connection to the junction of the transformer(s) that are not center tapped?
a. center tap b. high leg c. grounder d. coupling
When installing a line tap valve on the high-pressure side of the system, it is best to install it on the compressor process tube.
Answer the following statement true (T) or false (F)