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IDA-201 Midterm Exam Prep pt.3

Authored by Randall Graham

Professional Development

University

Used 1+ times

 IDA-201 Midterm Exam Prep pt.3
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A motor that has a service factor of 1.10 means that it can operate _____% of its rated horsepower for a limited period of time.

10

110

1.0

0.10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The two basic types of converters are the phase-controlled rectifier and the diode bridge rectifier.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Motors have two different current ratings, the full-load or rated amps (FLA or RLA) and the ____________.

running-load amps

locked-rotor amps

cycles per second

induction current

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When enough back EMF has built up, called _______ voltage, the contacts between terminals 1 and 2 of a potential relay will open.

pick up

potential

coil

rated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two types of motor drives are _________ drives.

rigid and resilient

sleeve and ball

oil port and permanently lubricated

belt and direct

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the United States, the frequency in cycles per second (cps) at which an AC electric motor operates under normal conditions is

50

60

208

120

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The current that a motor is drawing at its service factor loading is referred to as 

full-load amperage (FLA).

locked-rotor amperage (LRA).

rated-load amperage (RLA).

service factor amperage (SFA).

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