When reference is made to ____, the time function may start on one or more of the contacts at energization, or at any time after energization during a preset time cycle.
a. sensors
b. time-delay relays
c. timers
d. pressure switches
c. timers
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Find, in inches, the length of 3/4” plate needed to form this circular drain pipe.
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An RC high-pass filter consists of a 0.15 ?F capacitor and an RF of 870 ?. An RL of 9 k? is placed across the RF output resistor. The circuit's cutoff frequency is
A) 131 Hz B) 1.33 kHz C) 665 Hz D) 1.34 kHz
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In a traditional construction contract ___________________________.