INT ELEC_2ND YEAR SET-1 – Computer Based Online Tests

Welcome to your INT ELEC_2ND YEAR SET-1

Name

ITI NAME

TRADE

SESSION

ROLL NO

CONTACT NO

DATE

Why armature resistance of a D.C generator is very low?

Run armature with less weight

Reduce the temperature of armature

Reduce armature current

Reduce armature voltage drop

None

What is the effect of armature reaction in DC generator?

Output voltage will become zero

Output voltage decreases

Output voltage increases

Output voltage is pulsating

None

How does the magnetic circuit complete through the yoke and poles in the generator?

Winding conductors in armature

Field coils

Armature core

Laminated pole core

None

What is the multiplication value of 5a²b x 8a⁵b³?

40a²b³

40a³b²

40a⁷b⁴

40a⁴b⁷

None

Why is it important to think of new ways to solve problems?

New ideas can make work easier or faster

To waste time

It is fun to try new things

It is unnecessary to try new things

None

Read the below Electrical Signs or Symbols.

Regulator

Alternator

Ammeter

Lamp

None

Read the below Electrical Signs or Symbols.

OR gate

NOT gate

AND gate

NAND gate

None

A software application used to enable computer users to locate and access web page is called

web server

website

web browser

None

What is the effect if the shunt field resistance is above critical resistance value in a D.C generator?

Output voltage is pulsating

Generator builds up voltage normally

Output voltage is above normal

Generator fails to build up voltage

None

Which of the following DC motors is preferred for elevators?

Shunt motor

Long shunt,differentially compound motor

Short shunt, differentially compound motor

Series motor

None

While applying for a job through email, what are the documents need to be attached?

Birth certificate

Resume, Course and Training Certificates

Address Proof

Photographs from childhood

None

Which of the following is an app-based gig economy platform that helps people find part-time jobs?

Permanent employee

Home catering

Independent contractor

Swiggy

None

What is the value of 14x+3y+25x+2y?

16x + 28y

17x + 27y

44xy

39x + 5y

None

Which of the following ways you should use to improve your technology skills?

Social service

Playing

Handwork

Social media, Online digital tools

None

_______ is when a group of people work together to finish something

Education

Business

Experience

Team work

None

What is the formula for aᵐ x aⁿ?

aᵐ⁻ⁿ

n.aᵐ

aᵐ⁺ⁿ

aᵐⁿ

None

. Which instrument is used to measure armature winding resistance?

By appling Flemming’s right hand rule to an electric generator,we can find the_____

Direction of magnetic field

Direction of rotor motion

None of the above

Direction of induced e.m.f

None

What encourages entrepreneurship on a grand scale?

New business opportunities

Become rich quickly

Global leader

Become famous

None

Anitha started an Instagram page for her craft business. She used _________ marketing strategy.

Networking

Taglines

Poster

Online

None

Read the below Electrical Signs or Symbols.

Galvanometer

Alternetor

DC motor

Generator

None

During a job interview, which of the following responses shows good formal communication

"My top three skills are problem-solving, teamwork, and attention to detail."

I'm pretty good at a lot of things.

"I don't know, I never really thought about it."

"Uh, I guess I can do a little bit of everything."

None

What is the name of given electrical component?

Inductor

Transformer

Capacitor

Resistor

None

Good practice for green mind set is

separating and recycling waste

using air conditioners all the time

keeping lights on all the time

taking a lot of printouts

None

What is the function of split rings in a D.C generator?

collect the current udirectionaly

Supplies output continuously

Makes output in the opposite direction

Collects the output from alternate conductors

None

The output power of any electrical motor is taken form

The poles

The conductors

The armature

The coupling mounted on the Shaft

None

Which of the following best describes the self-management skill of reliability?

Not being honest with colleagues

People always trust you to do your job well

Ignoring the needs of others

Not completing tasks on time

None

In the armature windings of a d.c. generator an e.m.f. is induced when the armature rotates in

Alternating magnetic flux

Electrostatic field

Magnetic field

None

What is the value of any number raised to the power of 0?

-1

None

The sole purpose of commutator in a d.c. generator is to_______

Reduce sparking at brushes

Provide smoother output

Convert the induced alternating voltage into unidirectional pulses

Increase output voltage

None

What is the value of x, if x (120) = 960?

None

What is the effect of armature reaction in DC generator?

Output voltage increases

Output voltage is pulsating

Output voltage decreases

Output voltage will become zero

None

Why the armature core of a DC generator is laminated?

Reduce the eddy current loss

Reduce the hysteresis loss

Reduce the friction loss

Reduce the copper loss

None

What is the name of given electrical component?

Transformer

Inductor

Capacitor

Resistor

None

Size of a high speed motor as compared to low speed motor for the same H.P. will be

Same

Bigger

None of the above

Smaller

None

What should you do before making a choice at work?

Don’t discuss with others

Take immediate decision

Don’t think too much

Look at the details, listen to others' ideas and choose

None

Calculate the emf generated in a 4 pole DC generator with simplex wave wound armature has 1020 conductors and driven at a speed of 1500 rpm, the flux / pole is 0.007 webers?

428 V

357 V

243 V

178 V

None

What does being punctual at work signify?

Carelessness

Professionalism

Disinterest

Laziness

None

While addressing your boss, you should be ______

Impolite

Informal

Expressive

Formal

None

Which of the following is a formal introduction in a job interview?

"Hi, whats your name?"

"Hey, nice to meet you!"

"hello.. You can start the interview!"

"Good morning. Thank you for the opportunity"

None

A wireless technology that connects a laptop to the internet is called _______.

Source Network

Wi-Fi

Bluetooth

Desktop

None

What is the formula for dynamically induced emf?

BL sinθ volts

BLV cosθ volts

BLV sinθ volts

BLV volts

None

What is the value of x if 13+x =20?

None

Identify the form of conductor shown in figure.

ACSR

Double strand

Single strand

Twin conducor

None

Which is the formula for aᵐ / aⁿ

aᵐ⁻ⁿ

(aᵐ)ⁿ

aᵐ ˣ ⁿ

aᵐ⁺ⁿ

None

Create a digital CV and share it with a QR code is _________

digital marketing

your digital identity

entrepreneurship

interview skill

None

‘Hi,’ ‘How are you?’, ‘What’s up?’ are examples of _______.

polite communication

impolite communication

formal communication

informal communication

None

You are requested to complete the given assignment by Monday This is an example of _______

an order

informal communication

formal communication

rude communication

None

If the load on a shunt motor is increased,its speed is decreased due to______

Increase in armature current

Decrease in back e.m.f.

Increase in brush drop

Increase in its flux

None

Which type of D.C Generator works in absence of residual magnetism?

Why DC generators are loosing their residual magnetism?

Running without load continuously

Continuous running without break

Change of direction of rotation very often

Heavy short circuit in load

None

The practice of using a network of remote servers hosted on the internet to store, manage and processdata is called _______

Cloud computing

Google

Yahoo

Search engine

None

What is the purpose of field coils in D.C generator?

To increase the reluctance of magnetic path

To magnetize the poles to produce coil flux

To increase the flux in air gap

To decrease the magnetizing current

None

Read the below Electrical Signs or Symbols.

F.E.T. N-Channel

F.E.T. P-Channel

NPN Transistor

PNP transistor

None

All d.c. generators are basically a.c generator

None

Read the below Electrical Signs or Symbols.

Transformer

Electromagnet

Choke

Electric bell

None

Learning a new skill to do fundamentally the same nature of task is called _______

Semi-skilled

Reskilling

Upskilling

Technician

None

To become a gig worker, a person should find gig work opportunities by means of _______

Studying about gig work

Independently searching for a job.

Finding a multinational company

Connecting with friends, people you might know, and groups in your community

None

In the slip ring induction motor resistance is connected in rotor phases______

To limit starting current with the decrease of starting torque

To limit starting current and to increase starting torque

To limit starting current

To increase starting torque

None

What is the radius of the circle, whose circumference is 440 cm?

70.5 cm

: 71.5 cm

72.2 cm

70 cm

None

You have to change the defective motor of an electric locomotive. Which type of motor would you choose?

DC series motor

DC shunt motor

DC series motor

DC differential compound motor

None

In a d.c.motor,constant torque is produced due to________

Commutator

End plates

Rotor laminations

None of the above

None

Why compensating winding is provided in large DC generators?

Neutralize armature reaction effect

Connect more loads

Increase the efficiency of generator

Reduce commutation effect

None

One of the informations in an informal conversation with a co-worker is _________

asking about their house

asking about their roles in the company

asking about the office timing

asking about their experience

None

What is the radius of a circle whose diameter is 44 cm?

22 cm

20 cm

23 cm

44 cm

None

What is the name of the compound generator, if the shunt field is connected in parallel with armature?

Differential compound

Long shunt compound

Short shunt compound

Cumulative compound

None

terminal voltage of a cumulative compound generator is lower than that of the equivalent shunt generator.

None

Which type of DC generator is used for electroplating process?

Shunt generator

Cumulative compound generator

Differential compound generator

Series generator

None

What is the simplified value of (3x + 15) / 5x + 25)

: 5/3

3/5

-5/3

-3/5

None

Read the below Electrical Signs or Symbols.

Two-way switch

Lamp

Ceiling Rose 2-pin, 3-pin

Socket 2 pin, 3 pin

None

Read the below Electrical Signs or Symbols.

DIAC

FET

TRIAC

SCR

None

If you want to apply for jobs through Naukri.com, what you will do?

Apply to all the jobs listed

Ignore the job descriptions

Match the skills with the job description

Select all the cities where jobs are available

None

The first version of a product/service is called _______

first initiative

first edition

model product

prototype

None

The e.m.f of a d.c generator depends on

Frequency

Communication

Speed

Brush contact drop

None

At the time of starting of induction motor rate of cutting flux with the rotor conductor is______

Zero

Minimum

One

Maximum

None

Time's up

Time is Up!