Author Question: When a line duty overload protecting a motor detects an overload, it: A) Contacts the air ... (Read 96 times)

leo leo · **on:** Jul 26, 2018

When a line duty overload protecting a motor detects an overload, it:

A) Contacts the air conditioning service company using a dedicated communication link.
B) Breaks the circuit to the coil of the contactor controlling the motor.
C) Breaks the line voltage to the motor.
D) Breaks the power line to the house.

Question 2

If the phase angles of two sine waves are both 0 degrees then the waves _____.

a. are in phase
b. are 90-degrees out of phase
c. have the same peak voltage
d. have the same amplitudes