Electronics & Communication Engineering - Manoj Dole - E-Book

Electronics & Communication Engineering E-Book

Manoj Dole

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Electronics & Communication Engineering is a simple e-Book for Electronics & Communication Diploma & Engineering Course Revised Syllabus in 2020, It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about the latest & Important about Professional Communication, Industrial Management and Entrepreneurship Development, Applied Mathematics III, Electrical Engineering, Environmental Education & Disaster Management, Applied Physics, Industrial Electronics & Transducers, Communication System, Applied Chemistry, Network Filters & Transmission Lines, Electronic Instruments And Measurement., Applied Mechanics, Electronic Devices and Circuits., Construction Management, Accounts & Entrepreneurship Development, Engineering Mechanics & Materials.

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Electronics&CommunicationEngineering

BY

ManojDole

ISBN9789354383557©ManojDole2021PublishedinIndia2021byPencilAbrandofOnePointSixTechnologiesPvt.Ltd.123,BuildingJ2,ShramSevaPremises,WadalaTruckTerminal,Wadala(E)Mumbai400037,Maharashtra,[email protected]rvedworldwideNopartofthispublicationmaybereproduced,storedinorintroducedintoaretrievalsystem,ortransmitted,inanyform,orbyanymeans(electronic,mechanical,photocopying,recordingorotherwise),withoutthepriorwrittenpermissionofthePublisher.Anypersonwhocommitsanunauthorizedactinrelationtothispublicationcanbeliabletocriminalprosecutionandcivilclaimsfordamages.

DISCLAIMER:TheopinionsexpressedinthisbookarethoseoftheauthorsanddonotpurporttoreflecttheviewsofthePublisher.

Authorbiography

MANOJ

DOLE

is

an

Engineer

from

reputed

University.

He

is

currently

working

with

Government

Industrial

Training-

Institute

as

a

lecturer

from

last

12

Years.

His

interest

include-

Engineering

Training

Material,

Invention

&

Engineering

Practical-

Knowledge

etc.

Contents

Electronics&CommunicationEngineeringMCQ

Electronics&CommunicationEngineeringMCQ

Electronics

&

Communication

Engineering

Diploma

&

Engineering

MCQ

About

the

Book

Electronics

&

Communication

Engineering

is

a

simple

e-Book

for

Electronics

&

Communication

Diploma

&

Engineering

Course

Revised

Syllabus

in

2020,

It

contains

objective

questions

with

underlined

&

bold

correct

answers

MCQ

covering

all

topics

including

all

about

the

latest

&

Important

about

Professional

Communication,

Industrial

Management

and

Entrepreneurship

Development,

Applied

Mathematics

III,

Electrical

Engineering,

Environmental

Education

&

Disaster

Management,

Applied

Physics,

Industrial

Electronics

&

Transducers,

Communication

System,

Applied

Chemistry,

Network

Filters

&

Transmission

Lines,

Electronic

Instruments

And

Measurement.,

Applied

Mechanics,

Electronic

Devices

and

Circuits.,

Construction

Management,

Accounts

&

Entrepreneurship

Development,

Engineering

Mechanics

&

Materials,

Principles

of

Communication

Engineering.,

Audio

and

Video

System,

Electrical

Engineering

I,

Principles

of

Digital

Electronics,

Television

Engineering,

Electronic

Components

and

Devices.,

Electronics

Workshop.,

Microprocessor

and

Application.,

Technical

Drawing.,

Programming

in

C

&

C++,

Project

-I.

Problem,

Elementary

Workshop

Practice.,

Computer

Application

for

Engineering,

Modern

Communication

System,

Microelectronics,

Electronic

Equipment

Testing,

Advance,

Microprocessor

&

Interface       

Microwave

&

Radar

Engineering,

Modern

Consumer

Electronics

Appliances,

Bio-Medical

Electronics

and

lots

more.

We

add

new

question

answers

with

each

new

version.

Please

email

us

in

case

of

any

errors/omissions.

This

is

arguably

the

largest

and

best

e-Book

for

All

engineering

multiple

choice

questions

and

answers. 

As

a

student

you

can

use

it

for

your

exam

prep.

This

e-Book

is

also

useful

for

professors

to

refresh

material.

About

the

Author

MANOJ

DOLE

is

an

Engineer

from

reputed

University.

He

is

currently

working

with

Government

Industrial

Training-

Institute

as

a

lecturer

from

last

12

Years.

His

interest

include-

Engineering

Training

Material,

Invention

&

Engineering

Practical-

Knowledge

etc.

Safety

Precaution

in

Electronics

&

Communication

Engineering

01]

In

case

of

bleeding,

take

treatment

Of

A]

spray

cold

water

B]

Bandage

immediately

-----]

C]

Enquire

about

the

accident

thought

treatment

D]

cold

3"

and

rest

02]

in

case

of

an

accident,

the

victim

should

im

A]

Asked

to

take

rest

C]

Attended

immediately

D]

leave

him

03]

First

aid

is

given

to

an

injured

or

ill

person

primarily....

A]

Save

life

B]

Prevent

further

deterioration

of

the

muff’s

C]

Give

best

possible

comfort

D]

All

of

these

04]

Colour

code

for

Bins

for

waste

paper

segregation

is

-----

A]

blue

Colour

B]

Yellow

Colour

C]

Red

Colour

D]

Green

Colour

05]

In

Japanese

Seiko

stands

for

--------------

A]

Shine

B]

Sort

C]

Standardize

D]

Sustain

06]

Benefit

of

SS

system

is

------

A]

Increase

in

productivity

B]

Increase

in

quality

C]

Reduction

in

wastage

of

time

D]

All

of

these

07]

Safety

is

-----------

A]

nobody’s

business

B]

every

bodise

business

C]

Some

bodies

business

D]

The

organization

business

08]

For

basic

categories

of

safety

signs

are

available

The

meaning

of”prohibition”

sign

----

A]

shows

it

must

not

be

done

B]

Shows

what

must

be

done

C]

Warns

the

hazard

or

danger

D]

Gives

information

of

safety

provision

09]

Which

one

is

a

workshop

safety?

A]

Keep

shop

floor

clean

and

free

from

grease,

oil

or

other

slippery

materials

B]

Stop

the

machine

before

changing

the

speed

C]

Don’t

use

cracked

or

chipped

tools

D]

Don't

try

to

stop

a

running

machine

with

hand

10]

In

Personal

Protect

Equipment

(PPE]

HELMET

is

used

to

A]

protect

head

B]

Protect

eyes

C]

Protect

hands

 D]

Protect

ears

11]

Which

of

the

following

belongs

to

general

safety?

A

Have

a

worker

in

good

attitude

 B]

The

work 

clean

and

clear

C]

Concentrate

on

your

work

D]

Keep

the

floor

and

gangways

clean

and

clear

12]

While

grinding,

which

is

used

to

protect

the

eyes?

A]

Dark

green

glass

B]

Mask

C]

Sun

glasses

D]

Safety

goggles

13]

Which

of

the

following

is

done

for

machine

safety?

A]

Check

the

oil

level

before

starting

the

machine

B]

Do

things

in

a

methodical

way

C]

Keep

the

floor

and

gangways

clean

and

clear

D]

Don’t

use

dies

and

scarves

14]

ln

Personal

Protect

Equipment

(PPE],

'sleeves’

is

used

to

protect

----------

A]

Face

B]

Eyes

C]

Ears

D]

Hands

15]

ABC

stands

for

--------------

A]

Automatic

Breathing

Control

B]

Automatic

Blood

Control

C]

Airway

Breathing

Circulation

D]

Automatic

Blood

Circulation

16]

To

put

off”Class

B”

fire,

the

types

of

fire

extinguisher

used

is

...........]

A]

dry

power

B]

Carbon

dioxide

C]

Jet

of

water

D]

Foam

type

17]

Which

type

of

fire

extinguisher

is

used

to

put

off

general

fire?

A]

Water

type

Extinguisher

B]

Foam

type

Extinguisher

C]

Dry

chemical

powder

Extinguisher

 D]

Carbon

dioxide

(C02]

Extinguisher

Hand

Tools

in

Electronics

&

Communication

Engineering

18]

One

micrometer

(U]

is

equal

to...

A]

0.1mm

B]

0.01mm

C]

0.001mm

D]

0.0001mm

19] 

Name

the

tool

used

to

make

and

finish

the

leak

proof

joints

of

a

pipe

T

joint

A]

groover

B]

setting

hammer  

C]

creasing

hammer  

D]

round

bottom

stake

20] 

Portion

of

the

hammer

used

for

fixing

the

handle

is...

A]

Face

B]

Peen

C]

Cheek

D]

Eye

hole

21] 

Weight

of

the

hammer

for

the

marking

purpose

is...

A]

250g

B]

500g

C]

1

kg

D]

2

kgs

22] 

To

cut

out

small

apertures

which

punch

and

die

type

of

machine

is

used?

A]

shear

type

nibbler 

B]

punch

type

nibbler

C]

circular

cutting

machine 

D]

guillotine

shearing

machine

23]

Scribers

are

made

of...

A]

Mild

steel

B]

High

carbon

steel

C]

Brass

D]

Cast

iron

24]

The

size

of

an

engineer’s

vice

is

specified

by

the...

A]

Length

of

the

movable

jaw

B]

Width

of

the

jaws

C]

Height

of

the

vice

D]

Maximum

opening

of

the

jaws

Bench

Vice

25]

The

form

of

thread

used

in

carpenters

vice

is...

A]

Square

B]

Acme

thread

C]

Sawtooth

Thread

D]

Knuckle

thread

26]

The

convexity

of

files

helps...

A]

To

file

concave

surfaces

B]

To

file

convex

surfaces

C]

To

prevent

rounding

of

edges

of

work

D]

The

file

to

become

straight

when

pressure

is

applied

27]]

Name

the

instrument

used

to

check

the

perpendicularity

of

the

branch

pipe

with

the

main

pipe

of

a

pipe

T

joint

A]

protractor  

B]

try

square

C]

spirit

level  

D]

straight

edge

28]

The

caliper

meant

for

measuring

the

width

of

a

slot

is...

A]

Odd

leg

caliper

B]

Outside

caliper

C]

Jenny

caliper

D]

Inside

calliper

29]

The

included

angle

of

the

groove

of

‘V’

block

is

always....

A]

45◦

B]

60◦

C]

90◦

D]

120◦

‘V’

blocks

30]

‘V’

blocks

are

available

in

grades

of...

A]

A

&

B

B]

A,B

&

C

C]

1,2

&

3

D]

1

&

2

31]

‘V’

blocks

of

grade

‘B’

are

made

of

A]

Cast

iron

B]

Mild

steel

C]

Steel

D]

Cast

steel

32]

’V’

block

50/5-40

A

is

used

for

holding

jobs

of

diameter

A]

Ø

50

mm

B]

Ø

5

to

Ø

50

mm

C]

Ø

5

to

Ø

40

mm

D]

Ø

40

mm

33]

The

reason

for

using

cast

iron

in

making

‘V’

blocks

A]

to

increase

the

weight

of

the

block

B]

to

reduce

the

cost

C]

to

reduce

the

friction

D]

to

get

a

good

appearance

34]

For

cutting

thin

tubing,

the

most

suitable

pitch

of

the

hacksaw

blade

is...

A]

1.8mm

B]

1.4mm

C]

1mm

D]

0.8mm

35]

For

cutting

solid

brass,

the

most

suitable

pitch

of

the

hacksaw

blade

is...

A]

1.8mm

B]

1.4mm

C]

1mm

D]

0.8mm

36]

A

new

hacksaw

blade

after

a

few

strokes

becomes

loose

because

of

the...

A]

Stretching

of

the

blade

B]

Wing-nut

threads

being

worn

out

C]

Wrong

pitch

of

the

blade

D]

Improper

selection

of

the

set

of

saws.

37]

While

cutting

small

diameter

pipes,

it

is

advisable

to

watch

regularly

and

ensure

that...

A]

The

cut

is

along

the

curved

line

B]

More

saw

teeth

are

in

contract

C]

The

work

is

not

overheated

D]

Proper

balancing

of

hacksaw

is

maintained

Drilling

in

Electronics

&

Communication

Engineering

38]

If

the

drill

runs

untrue,

it

will

A]

get

too

hot

B]

cut

undersize

C]

distort

the

spindle

D]

cut

an

oversized

hole

39]

Running

the

drill

too

fast

many

result

in

A]

spoiling

the

cutting

edge

B]

poor

surface

finish

C]

twisting

the

tang

D]

drilling

an

oval

hole