A small unbalance in phase-to-phase voltage can result in _____.
a. contactor freezing
b. increased heat generated in motor windings
c. insufficient contact pressure
d. rapid jogging
b. increased heat generated in motor windings
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How many place decimals places are used when the tolerance limits are less than 0.01"?
a. Either two or three decimal places. b. Two decimal places. c. Three decimal places. d. It depends on the accuracy of the measurement. e. Any one of the above theories can be used.
Se deben usar bloques en una extensión abatible _____.
a. siempre b. si no hay una cantidad suficiente de personas para ayudar en el ensamblaje c. si no hay espacio suficiente y la extensión abatible debe permanecer por encima de cualquier obstáculo d. si se dificulta la alineación de los puntos de conexión de la extensión abatible a la punta de la pluma
Refer to Exercise 10 in Section 3.2. Assume that ? = 35.2 ± 0.1 Pa. h = 12.0 ± 0.3 mm, and µ = 1.49 Pa•s with negligible uncertainty. Estimate V, and find the relative uncertainty in the estimate.
What will be an ideal response?
Which HVAC wiring connections are low voltage?
A. from the condensing unit to the air handler B. from the circuit panel to the condensing unit C. from the circuit panel to the air handler D. from the outside disconnect to the condensing unit