SSD Unit 2 & 3

SSD Unit 2 & 3

University

18 Qs

quiz-placeholder

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SSD Unit 2 & 3

SSD Unit 2 & 3

Assessment

Quiz

Science

University

Practice Problem

Medium

Created by

MURALIKRISHNA K

Used 3+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following devices should be used as a switch for high power and high voltage application?

a)TRIAC

b)Thyristor

c)GTO

d) MOSFET

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A four quadrant chopper cannot be operated as

a)One quadrant chopper

b)Cyclo converter

c)Inverter

d)Bidirectional rectifier

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A two quadrant DC to DC chopper can operate with which of the following load conditions?

a) +Ve voltage ,+Ve current

b) –Ve voltage ,+Ve current

c) –Ve Voltage,-Ve Current

d)+Ve voltage ,_Ve current

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the high frequency choppers, the device that is preferred is

a) Triac

b)Thyristor

c)Transistor

d)GTO

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the most efficient way of controlling a DC shunt motor below rated speed

a)Armature resistance control

b) Armature Voltage control

c) Field resistance control

d)Diverter resistance control in field circuit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which of the following control methods, the no load speed of a DC motor can be increased beyond rated value.

a)Armature resistance control

b) Armature Voltage control

c) Field resistance control

d) Controlling resistance in parallel with armature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which braking method is the best method for obtaining high braking torque?

a) Plugging

b) Regenerative braking

c) Rheostatic braking

d) Dynamic braking

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