In a home that has tight construction features, how many air exchanges would be expected to take place in
an hour?
a. 2
b. 1.5
c. 1
d. 0.5
d
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While examining a R-134a system through the sight glass, the refrigerant appears to be cloudy. Which of the following would probably be the cause?
A. low refrigerant level B. high refrigerant level C. contamination caused by desiccant breakdown D. undercharge of oil in the system
A MOD-32 synchronous counter requires:
A) 5 Flip-flops 2 AND gates, and 4 inverters. B) 4 Flip-flops, 2 AND gates, and 4 inverters. C) 5 Flip-flops, 5 inverters, and 3 AND gates. D) 5 Flip-flops, 2 AND gates, and 3 inverters.
The per-phase impedance of a 600-V, three-phase, Y-connected synchronous motor is 5 + j50 ? . The motor takes 24 kW at a leading power factor of 0.707. Determine the induced voltage and the power angle of the motor.
Find: The induced voltage and the power angle of the motor.
Define aquifer. Explain whether water in an aquifer is an exhaustible or nonexhaustible resource
What will be an ideal response?