Which type of zoning system damper does not require a motor?
a. Expansion damper
b. Diffuser-mounted damper
c. All common zone dampers
d. Barometric bypass damper
d. Barometric bypass damper
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How much heat is required when 10,000 kg of 
is heated at atmospheric pressure from 
to 
?
What will be an ideal response?
Technician A says a transfer case may have a limited-slip, viscous-type clutch assembly. Technician B says a transfer case may have a multiple plate clutch assembly for limited slip. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
What two manual resets do all oil burners have?
A) The high limit manual reset and the smoke sensor manual reset B) The integrated furnace circuit breaker and the high fuel pressure reset C) The primary control reset and the secondary control reset D) Primary control reset and the oil burner motor overload manual reset
If the liquid oil acid test kit cannot be used, indicators may be used to connect to the:
A) Suction line. B) Gas exhaust. C) Oil drain plug. D) Liquid refrigerant line.