Quiz Questions

ITI Quiz - 07-Feb-2026 01:23 PM (ITISKILL9212H9)

Q-Paper A-Paper
Question 1 1 Marks
How many diodes are required for making a
bridge rectifier circuit?
A
One
B
Two
C
Four
D
Three
Question 2 1 Marks
Which electronic component is the voltage regulator?
A
Zener diode
B
Transistor
C
Triac
D
Diac
Question 3 1 Marks
What is the unit of inductance?
A
Ohm
B
Henry
C
Farad
D
Ampere
Question 4 1 Marks
Which application uses the digital
ICs?
A
Amplifier
B
Logic gates
C
Tuned circuits
D
Voltage regulator
Question 5 1 Marks
What is the reverse break down voltage range of zener diode?
A
0.1 to 0.5 volt
B
0.5 to 1 volt
C
3 to 18 volt
D
1 to 3 volt
Question 6 1 Marks
How the maximum reverse voltage across the diode is termed in reverse biased condition?
A
Diode voltage
B
Ripple frequency
C
Peak inverse voltage
D
Peak rectification voltage
Question 7 1 Marks
Which semiconductor material is used to make diodes?
A
Steel
B
Silicon
C
Copper
D
Aluminium
Question 8 1 Marks
What is the process involved for converting AC to DC power supply?
A
Inversion
B
Regulation
C
Convection
D
Rectification
Question 9 1 Marks
How many terminals are there in a Silicon Controlled Rectifier (SCR)?
A
One
B
Two
C
Four
D
Three
Question 10 1 Marks
Which component is used as a switching device in electronic circuit?
A
SCR
B
Diode
C
Capacitor
D
Zener diode
Question 11 1 Marks
What are the passive components used in
electronic circuits?
A
Resistors, capacitors and inductors
B
Transformers and semiconductors
C
Semi conductors and transistors
D
Transistors, diodes and SCRs
Question 12 1 Marks
Which material is used for making zener diode?
A
Lead
B
Silicon
C
Titanium
D
Platinum
Question 13 1 Marks
Which type of diode is used for communication circuits?
A
Signal diode
B
Zener diode
C
Rectifier diode
D
Switching diode
Question 14 1 Marks
What is the name of electronic
circuit?
A
Bridge rectifier
B
Half wave rectifier
C
Full wave rectifier
D
Quarter wave rectifier
Question 15 1 Marks
What is the name of active component used in electronic circuit?
A
Transistor
B
TRIAC
C
DIAC
D
SCR
Question 16 1 Marks
Which meter indicates the true power directly in an electrical circuit?
A
Ammeter
B
Ohm meter
C
Watt meter
D
Volt meter
Question 17 1 Marks
What is the rotor speed with respect to stator field speed in an induction motor?
A
Less than the stator speed
B
More than the stator speed
C
Equal to the stator speed
D
More than the fly wheel
Question 18 1 Marks
Which material is used to avoid oxidation between aluminium conductor and the terminal?
A
Petrol
B
Grease
C
Shellac
D
Kerosene
Question 19 1 Marks
Which winding has more inductance in refrigerator compressor motor?
A
Run
B
Start
C
Common
D
Start and common
Question 20 1 Marks
Which joint is made in either single or multi - strand conductors?
A
Rat tail joint
B
Scarfed joint
C
Britannia joint
D
Western union joint
Question 21 1 Marks
Which type of rotor is used in split phase induction motor?
A
Wound coil
B
Eccentric
C
Squirrel cage
D
Permanent magnet
Question 22 1 Marks
Which type of conductor is used for bus bars?
A
Solid conductor
B
Thermal conductor
C
Stranded conductor
D
Standard conductor
Question 23 1 Marks
Which law relates to voltage, current and resistance in an electrical circuit?
A
Ohm s law
B
Lenz s law
C
Newton s law
D
Faraday s law
Question 24 1 Marks
What is the unit of electric current?
A
Ampere
B
Farad
C
Ohm
D
Volt
Question 25 1 Marks
Which tool is used for skinning the insulation of cables and cleaning the wire surface?
A
Hacksaw
B
Firmer chisel
C
Electrician's knife
D
Combination pliers
Question 26 1 Marks
What is the unit of capacitance?
A
Volt
B
Ampere
C
Farad
D
Coulomb
Question 27 1 Marks
What is the supply voltage if a current of 2 ampere flows through 10 Ohm resistor in a circuit?
A
20 Volt
B
45 Volt
C
55 Volt
D
65 Volt
Question 28 1 Marks
What is the total resistance if two resistors R1 and R2 are connected in series?
A
(R1 - R2) Ohms
B
(R1 + R2) Ohms
C
(R1 x R2) Ohms
D
(R1 / R2) Ohms
Question 29 1 Marks
What is the unit of electrical energy?
A
Volt
B
Watt
C
Ampere
D
Kilo watt hour
Question 30 1 Marks
Which material is used for making disc in energy meter?
A
Aluminium
B
Copper
C
Brass
D
Zinc
Question 31 1 Marks
Which power supply has the fixed polarity?
A
Direct current
B
Signal voltage
C
Signal ripples
D
Alternating current
Question 32 1 Marks
What is the condition of compressor motor if Ohm meter reads infinity across common and start terminals?
A
Running winding open
B
Starting winding open
C
Starting winding shorted
D
Running winding shorted
Question 33 1 Marks
Which is the common terminal while Ohm meter reads AB = 10 Ohm, AC = 15 Ohm and BC = 25 Ohm if the motor terminals are A, B and C?
A
Terminal A
B
Terminal B
C
Terminal C
D
Earth Terminal
Question 34 1 Marks
What is the maximum capacity of 3 phase squirrel cage induction motor used with direct on line (DOL) starter?
A
5 HP
B
10 HP
C
15 HP
D
20 HP
Question 35 1 Marks
What is the effect of pouring water on electrodes resistance in earth pit?
A
Decreases
B
Increases
C
Equalises
D
Remains same
Question 36 1 Marks
What is the load resistance in an electrical circuit, if current, I = 2 amp and supply, V = 10 volt?
A
2 Ohms
B
3 Ohms
C
4 Ohms
D
5 Ohms
Question 37 1 Marks
Which winding has low resistance in resistance start induction run motor?
A
Running winding
B
Starting winding
C
Auxiliary winding
D
Common winding
Question 38 1 Marks
Which type of 1-? motor has high starting torque?
A
Permanent capacitor
B
Resistance start induction run
C
Capacitor start and capacitor run
D
Induction start and induction run
Question 39 1 Marks
Which property limits the flow of electrons in an electrical circuit?
A
Voltage
B
Current
C
Resistance
D
Conductance
Question 40 1 Marks
How electrons flow in a battery circuit?
A
Phase to earth
B
Phase to neutral
C
Positive to negative polarity
D
Negative polarity to positive polarity