Sub Engineer Electrical KSEB Previous Questions MCQ Quiz 3

Induced Emf in a DC generator

Increases as flux increases

Increase as speed of prime mover reduces

Remains same irrespective of flux and speed

Increases as field reluctance increases

Increases as parallel paths in armature increases

Correct! Wrong!

Larger, dia and smaller axial length of generator is suitable for :

Slow speed revolution

High speed revolution

Synchronous speed

Sub Synchronous speed

Super Synchronous speed

Correct! Wrong!

Stray loss is accounted as:

Please select 2 correct answers

Magnetic and electrical loss

Copper loss and constant loss

Magnetic and mechanical loss

copper loss and iron loss

Windage loss and frictional loss

Correct! Wrong!

Photoresistor is

Photodiode

Phototransistor

Photoconductive cell

Varistor

Thermistor

Correct! Wrong!

In absence of 150 Ohm resistor, it can build with

Three resistors 100 ohm resistors in parallel

Two 100 ohm resistors in series

Two 100 ohm resistors in parallel with one 50 ohm in series

Two 50 ohm in series and two 100 ohm in parallel

Three 50 ohm in parallel

Correct! Wrong!

Kirchoff's voltage law pertains to :

Resistor Circuit

D C circuits

A C Circuits

Series Circuit

Closed circuit

Correct! Wrong!

Thevenin Equivalent Circuit is

An ideal current source in series with an impedance

An ideal voltage source in parallel with a resistor

A voltage source in series with an impedance

A current source in parallel with an impedance

A voltage source in series with internal impedance

Correct! Wrong!

Volt denotes:

Newton/Coulomb

Workdone/coulomb

Ampere/charge

Coulomb/charge

Coulomb/Newton

Correct! Wrong!

The permeance of magnetic material is :

Reciprocal of permeabilty

Reciprocal of flux density

Reciprocal of Reluctivity

Reciprocal of permittivity

Reciprocal of reluctance

Correct! Wrong!

CT s used in industries along with:

Ammeter

Voltmeter

Wattmeter

KVA meter

PF meter

Correct! Wrong!

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Induced Emf in a DC generator

Larger, dia and smaller axial length of generator is suitable for :

Stray loss is accounted as:

Photoresistor is

In absence of 150 Ohm resistor, it can build with

Kirchoff's voltage law pertains to :

Thevenin Equivalent Circuit is

Volt denotes:

The permeance of magnetic material is :

CT s used in industries along with:

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