Overload relays are intended to disconnect the motor from the power line in the event that the current draw becomes excessive.
Answer the following statement true (T) or false (F)
True
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Which method of sizing flat roof drains is designed to remove roof water as quickly as possible using large conductors?
a. siphonic b. controlled-flow c. continuous flow d. longest run
You are testing an energized solenoid in a series circuit using a voltmeter and identify the following circuit conditions: Voltage measured from solenoid positive terminal to chassis ground: 12.6 V-DC Voltage measured from solenoid negative terminal to chassis ground: 0.1 V-DC Voltage dropped across solenoid positive to negative terminals: 12.5 volts Where is the problem in the circuit likely to be found?
A. On positive side of load B. On negative side of load C. The load (solenoid) D. No circuit problem based on this data
The most widely used stainless steels are the ____________________ types.
Fill in the blank(s) with the appropriate word(s).
There are two types of series motor starters, one with no-voltage protection and the other with ____ protection.
a. voltage b. high-voltage c. no-load d.high-load