Electrical 2 (6.7.8.9)

Electrical 2 (6.7.8.9)

University

36 Qs

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Electrical 2 (6.7.8.9)

Electrical 2 (6.7.8.9)

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Quiz

Education

University

Practice Problem

Medium

Created by

LAVANYA R

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36 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An AC generator is an electric generator that converts mechanical energy in to

rotational energy
ternating electrical ener
potential energy
none of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The relation of between frequency and speed is

Ns=120 x f/P
Ns=120 x P/f
Ns=120 x f/A
Ns=120 x f/2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The frequency of voltage generated in an alternator depends on

number of poles
speed of alternator
both (a) and (b)
type of winding

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The frequency of voltage generated by an alternator having 4- pole and rotating at 1800 r.p.m is hertz.

60
7200
120
450

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The power factor of an alternator is determined by its

speed
load
excitation
prime mover

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these types of motor is self starting?

dc motor
nle phase induction mot
3 phase induction motor
ac motor

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the direction of rotation of the single phase motor can be reversed by

ng connections of both w
g connections og startin
using a revers switch
revesing supply connection

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