A defective blower motor draws more current than a good motor because ________
A) The speed of the motor increases
B) The CEMF decreases
C) The airflow slows down, which decreases the cooling of the motor
D) Both A and C
B
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Which of the following is defined as the length of time it takes for a wood support exposed to fire to reach an average temperature rise of 121°F or an individual temperature rise of 325°F when the temperature is measured on the plane of the wood nearest the fire?
a. Fire rating b. Finish rating c. Burn rating d. Fireproof rating
What are the Unified UN tread form and sizes designed to do?
What will be an ideal response?
The self-induced voltage across an inductance is equal to the change in _____
a. current with respect to time b. resistance with respect to time c. capacitance with respect to time d. voltage with respect to time
RFS is an acronym for "regardless of feature size" and is assumed for all geometric characteristics unless otherwise specified.
Answer the following statement true (T) or false (F)