Adiabatic expansion means:
A) Expanding by applying a strong magnetic field to a polarized substance.
B) Expanding by adding heat.
C) Expanding without adding heat.
D) Expanding through the use of centrifugal force.
C
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Express 763 as a BCD (8421) number.
A. 111 0001 0001 B. 111 0001 0111 C. 111 0011 0110 D. 111 0110 0011
What prevents the refrigerant from flowing through the outdoor metering device during the cooling cycle?
A) The cooling shutoff valve B) The outdoor check valve C) The reversing valve D) The indoor check valve
What are the benefits of using a water manifold?
A. Lower operating pressures resulting in less system failures. B. Simplified cooling system with less components. C. The ability to operate at higher pressures to increase heat transfer. D. Better coolant distribution resulting in more consistent cylinder temperatures.
Write the engineering economy symbol that corresponds to each of the following spreadsheet functions.
(a) PV (b) PMT (c) NPER (d ) IRR (e) FV ( f ) RATE