If an evaporator does not have to superheat refrigerant vapor, which of the following can be produced?
A) More cooling vapors B) Greater cooling capacity
C) More heating vapors D) Greater warming capacity
B
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When an internal engine compression brake is actuated, what role does the engine play?
A. power producing pump B. energy producing compressor C. energy absorbing compressor D. torque converter
In the accompanying figure, the item identified as A indicates the ____ lines.
A. phantom B. cutting plane C. hidden D. break
Which of the following features increases overall efficiency to between 83% and 89%?
A) sealed combustion chamber B) flame-retention burner C) barometric damper D) aquastat controller
What name is given to the time-current relationship among a number of overcurrent devices connected in
series? a. Switched b. Coordination c. Dual-element d. Nonrenewable