When the oil tank is above the oil burner pump, the fuel oil supply system would normally be a ____.
A. gravity flow, one-pipe system
B. single-stage pump, two-pipe system
C. two-stage pump, one-pipe system
D. two-stage pump, two-pipe system
Answer: A
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In general, the pull exerted on cables pulled through cable trays using a basket grip not attached to the conductor should not exceed _____.
a. 500 pounds b. 1,000 pounds c. 2,500 pounds d. 6,000 pounds
What is the purpose of staging thermostats?
A) To allow systems to operate at reduced capacity B) To control the temperature of control equipment in theaters C) To operate two different pieces of equipment with a single thermostat D) To control the temperature of theaters
If one brick is 2.25 inches high, how high in inches is a stack of 13 bricks?
What will be an ideal response?
?A parallel distribution system is generally preferred to a series distribution system when low supply water temperatures are used.
Answer the following statement true (T) or false (F)