Quiz Questions - ITI Quiz - 21-May-2026 06:02 PM

Question 1 1 Marks

Which bearing is supporting the shaft of moving coil assembly in a PMMC instrument?

A

Steel bearings

B

Bush bearings

C

Jewelled bearings

D

Gun metal bearings

Question 2 1 Marks

What is the full form of the abbreviation PMMC meter?

A

Parallel Magnet Moving Coil meter

B

Position Magnet Moving Coil meter

C

Principle Magnet Moving Coil meter

D

Permanent Magnet Moving Coil meter

Question 3 1 Marks

Which type of wave is generated in Schmitt trigger circuit?

A

Sine wave

B

Square wave

C

Saw tooth wave

D

Triangular wave

Question 4 1 Marks

Which electrode controls brightness of the image on the screen of oscilloscope?

A

Anode

B

Cathode

C

Control grid

D

Focussing electrode

Question 5 1 Marks

Which band is used for UHF in International Telecommunication System?

A

Band 4

B

Band 6

C

Band 9

D

Band 11

Question 6 1 Marks

Which parameter is measured by a multimeter?

A

Voltage

B

Energy

C

Frequency

D

Time duration

Question 7 1 Marks

Which instrument used to measure resistance, capacitance and inductance?

A

LCR bridge

B

Wein bridge

C

Kelvin bridge

D

Wheatstone bridge

Question 8 1 Marks

Which function control in CRO, adjust the trace sharper?

A

Focus

B

Intensity

C

Time/Div trigger

D

Amplitude (V/Div)

Question 9 1 Marks

Which meter uses a moving coil for measurement?

A

LCR meter

B

PMMC meter

C

MI repulsion type

D

MI attraction type

Question 10 1 Marks

Which meter movement is not affected by stray magnetic fields?

A

PMMC meter

B

Thermo couple meter

C

MI meter - attraction type

D

MI meter - Repulsion type

Question 11 1 Marks

Which frame is used for winding the coil of PMMC meter?

A

Steel frame

B

Wooden frame

C

Ceramic frame

D

Aluminium frame

Question 12 1 Marks

How power rating is specified for transformers?

A

Watts (W)

B

Voltage (V)

C

Volt ampere (VA)

D

Horse power (HP)

Question 13 1 Marks

Which component opposes any change in current?

A

Diode

B

Resistor

C

Inductor

D

Capacitor

Question 14 1 Marks

What is the unit of inductance?

A

Joule

B

Farad

C

Henry

D

Watts

Question 15 1 Marks

Which factor determines the inductance value?

A

Material of the coil

B

Diameter of the coil

C

Frequency of the current

D

Current flow through the coil

Question 16 1 Marks

What is the colour code for 100 Ohm resistor?

A

Brown, black, red

B

Black, brown, black

C

Brown, black, brown

D

Brown, brown, brown

Question 17 1 Marks

Which property of the capacitor stores electrical energy in electrostatic field?

A

Dielectric

B

Capacitance

C

Stray capacitance

D

Capacitive reactance

Question 18 1 Marks

Which unit is used to measure capacitance value?

A

Mho

B

Ohm

C

Farad

D

Henry

Question 19 1 Marks

Which meter is used to find the exact resistance value of resistors?

A

Ammeter

B

Volt meter

C

Ohm meter

D

Watt meter

Question 20 1 Marks

Find the total resistance value of 10 ohms and 20 ohms connected in parallel.

A

6.666 Ohms

B

66.66 Ohms

C

666.6 Ohms

D

6666 Ohms

Question 21 1 Marks

Find the total inductance value of two inductors 10H and 15H of connected in series.

A

05 H

B

10 H

C

15 H

D

25 H

Question 22 1 Marks

What is the name of effect of changing current in one coil, induces EMF in nearby coil?

A

Coupling

B

Induction

C

Self induction

D

Mutual induction

Question 23 1 Marks

Why the transformer core is made as thin laminations?

A

To minimize eddy current losses

B

To increase the hysteresis losses

C

To maximize eddy current losses

D

To increase core saturation losses

Question 24 1 Marks

What is the name of the pair of metal strips used in battery cell?

A

Cathode

B

Electrolyte

C

Electrodes

D

Carbon rod

Question 25 1 Marks

Which electrolyte is used in lead-acid battery?

A

Zinc chloride

B

Sulphuric acid

C

Alkaline solution

D

Potassium hydroxide solution

Question 26 1 Marks

How batteries are classified?

A

Dry cells and alkaline cells

B

Button cells and lithium cells

C

Primary cells and secondary cells

D

Cylindrical cells and rectangular cells

Question 27 1 Marks

What is the unit of electric charge?

A

Volts

B

Hertz

C

Ampere

D

Coulomb

Question 28 1 Marks

How batteries are classified based on their working?

A

Dry cells and alkaline cells

B

Button cells and lithium cells

C

Primary cells and secondary cells

D

Cylindrical cells and rectangular cells

Question 29 1 Marks

What is the range of current rating of lead acid batteries used in automobiles?

A

5 to 10 Amp

B

10 to 25 Amp

C

2.5 to 4.5 Amp

D

100 to 400 Amp

Question 30 1 Marks

Which energy is converted by the battery to produce electricity?

A

Electrical energy into light energy

B

Chemical energy into electrical energy

C

Mechanical energy into electrical energy

D

Electrical energy into mechanical energy

Question 31 1 Marks

What is the total voltage of six 1.5 V cells, connected in series?

A

3 VDC

B

6 VDC

C

9 VDC

D

12 VDC

Question 32 1 Marks

Electrical conductivity of gold is

A

56%

B

67%

C

94%

D

100%

Question 33 1 Marks

What is the unit of electric charge?

A

Volts

B

Hertz

C

Ampere

D

Coulomb

Question 34 1 Marks

Which material contains eight electrons in valency layer?

A

Insulators

B

Conductors

C

Semiconductors

D

Intrinsic semiconductors

Question 35 1 Marks

Which electrical parameter opposes the flow of electrons?

A

Power

B

Voltage

C

Current

D

Resistance

Question 36 1 Marks

How the single strand wire is called?

A

Flexible wire

B

Twisted wire

C

Hook up wire

D

Multi strand wire

Question 37 1 Marks

What is the purpose of covering provided over the electrical conductor?

A

Increase current flow

B

Reduce current flow

C

Decrease voltage rating

D

Protection against weather

Question 38 1 Marks

Which material conducts electricity?

A

Mica

B

Paper

C

Glass

D

Copper

Question 39 1 Marks

How many electrons are contained in coulomb of electric charge?

A

6.25 x 108 electrons

B

6.25 x 1012 electrons

C

6.25 x 1016 electrons

D

6.25 x 1018 electrons

Question 40 1 Marks

What is the percentage of conductivity of electric current in silver?

A

0.56

B

0.67

C

0.94

D

1

Question 41 1 Marks

Which metal has very good conductivity to the electric current?

A

Gold

B

Copper

C

Silver

D

Aluminium

Question 42 1 Marks

Which materials are used for semiconductor?

A

Gallium and indium

B

Silver and aluminium

C

Arsenic and antimony

D

Silicon and germanium

Question 43 1 Marks

What is the purpose of standard wire gauge (SWG)?

A

Measure current

B

Measure voltage

C

Measure diameter of wire

D

Measure insulation of wire

Question 44 1 Marks

Which tool is used for the simplest method of skinning wires?

A

Electrician's knife

B

Manual wire stripper

C

Thermal wire stripper

D

Mechanical wire stripper

Question 45 1 Marks

How the gas and liquefied gases are classified

A

Class A fire

B

Class B fire

C

Class C fire

D

Class D fire

Question 46 1 Marks

Which fire extinguisher is used to put off class C type of fire?

A

Foam type

B

Jet of water

C

Dry powdered

D

Carbon-di-oxide

Question 47 1 Marks

Which fire extinguisher is used to put off class A type of fire?

A

Foam type

B

Jet of water

C

Dry powdered

D

Carbon-di-oxide

Question 48 1 Marks

What is the shape of mandatory signs?

A

Square

B

Circular

C

Triangular

D

Rectangular

Question 49 1 Marks

What is the shape of warning sign board?

A

Square shape

B

Circular shape

C

Triangular shape

D

Hexagonal shape

Question 50 1 Marks

Which class of fire is classified involving metals?

A

Class A

B

Class B

C

Class C

D

Class D

Question 51 1 Marks

What is the use of screw driver?

A

Hold the screws

B

Tighten or loosen screws

C

Tighten or loosen bolts

D

Tighten or loosen rivets

Question 52 1 Marks

Which is the maximum size of drill bit used in electrical hand drilling machine?

A

0.35 mm

B

1.5 mm

C

3.5 mm

D

6.5 mm

Question 53 1 Marks

What is the first step to rescue the person in electrical contact?

A

Break the contact

B

Call the doctor

C

Switch OFF power supply

D

Pull the person from electrical contact

Question 54 1 Marks

What is the reason for electric fire?

A

Deviation

B

Open circuit

C

Overloading

D

Proper earthing

Question 55 1 Marks

What is the cause of injuring at the time of lifting a load?

A

Heavy load

B

Falling object

C

Object striting the load

D

Wrong lifting technique

Question 56 1 Marks

Which value is equal to one picofarad?

A

106 Farad

B

1012 Farad

C

10-6 Farad

D

10-12 Farad