How are water pumps in hydronic heating systems checked?
A) By measuring the pump motor RPM using a digital tachometer
B) By measuring the water flow in the system
C) By measuring the impeller RPM using a stroboscope
D) by measuring the temperature of the pump motor
B
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A natural alternative to fabricated outdoor furniture is ____________________
Fill in the blank(s) with correct word
Use mesh analysis to find currents I?, I?, and I? in the circuit in Fig. 10.82
Daytime running lights operate ________
A) Front parking lights B) Separate DRL lamps C) High beam headlights wired in series D) Any of the above
When is the best time to inform a customer regarding the cost of an expensive part the must be changed?
A) Over the phone after the call is completed B) Before actually changing the part C) At the completion of the service call D) In the mail when the bill is sent