M3 Cat B bank

M3 Cat B bank

Professional Development

23 Qs

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M3 Cat B bank

M3 Cat B bank

Assessment

Quiz

Physics

Professional Development

Practice Problem

Medium

Created by

Neil Kipling

Used 23+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the value of Z in the circuit shown?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the value of R in the circuit shown?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these statements is true if you change the voltage from 28V dc to 28V ac in a resistive circuit?

The real power decreases

The real power remains the same

the apparent power increases

the reactive power decreases

The reactive power decreases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False

If the frequency of the supply increases then the capacitive reactance increases

False

True

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component would increase its opposition to current flow with a decrease in frequency?

Inductance

Diode

Capacitance
Resistance

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cause of reactive sparking?

The meeting of the brushes and the coils within the neutral zone

The meeting of the brushes and the coils outside the neutral zone

running the motor at high speeds at altitude

Running a series motor without a load.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are the compensation windings in a dc machine?

Between the main poles

Around the Interpole

In the armature

In the main field winding

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