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ITI Previous Papers Electrician (NSQF)

PREVIOUS YEAR PAPER
TRADE NAMEElectrician (NSQF)
TRADE TYPEEngineering
YEAR2
EXAM DATE2025-07-28
EXAM TIME12:15:14:15
Question Paper MOCK TEST

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TRADE THEORY

What is the full form of UPS?

  1. Unregulated Power Supply
  2. Universal Power Supply
  3. Uninterrupted Power Supply
  4. Uniform Power Supply

What is the name of fault if a stator winding comes into contact with a stator core?

  1. Leakage current fault
  2. Short circuit fault
  3. Ground fault
  4. Open circuit fault

Calculate the average pitch (YA) for retrogressive wave winding, if the number of armature conductor = 14, number of slots = 7 and number of poles = 2.

  1. 6
  2. 14
  3. 4
  4. 8

What is the reason for widened barrier in a reverse biased diode?

  1. Minority carriers in two materials are neutralised
  2. Holes in P material attracted to positive terminal
  3. Electrons and holes are attracted towards supply terminals
  4. Electron in N material is drifted to negative terminal

What is the name of the amplifier as shown in the circuit?

  1. Voltage amplifier
  2. Power amplifier
  3. Small signal amplifier
  4. Current amplifier

Which device is controlling the operations in the sequential control systems?

  1. Relays
  2. Control transformer
  3. Timer
  4. Contactor

What is the advantages of stepper motor?

  1. Resonance occurs
  2. Can run at very low speed
  3. Can run at very high speed
  4. Rotor has no teeth

Which gas is used in SF₆ circuit breaker?

  1. Carbon dioxide
  2. Acetylene
  3. Sulphur dioxide
  4. Sulphur hexafluoride

What is the name of the speed control method of AC single phase motor as shown in the diagram?

  1. Tapped field method
  2. Field diverter method
  3. Centrifugal switch method
  4. Voltage control method

Which test in winding is illustrated as shown in the figure?

  1. Continuity test
  2. Polarity test
  3. Ground test
  4. Short circuit test

Which rule is used to find the direction of induced emf in D.C generator?

  1. Fleming’s left hand rule
  2. Cork screw rule
  3. Fleming’s right hand rule
  4. Right hand palm rule

What is the criteria to select the contactor?

  1. Type of load connected
  2. Place of use the contactor
  3. Type of Supply voltage and load
  4. Type of supply

What is the function of collar as shown in the figure?

  1. Provides insulation for coil tapping
  2. Provides insulation for heat transfer from coil
  3. Provides insulation around field
  4. Helps tightening material for flange

What is the minimum voltage required in the base emitter junction to conduct a silicon transistor?

  1. 0.8 V – 0.9 V
  2. 0.2 V – 0.3 V
  3. 0.6 V – 0.7 V
  4. 0.4 V – 0.5 V

What is the purpose of pole shoe in DC generator?

  1. Minimize the magnetic losses
  2. Increase the field strength
  3. Spread out flux uniformly in the air gap
  4. Increase the air gap

What is the name of the part marked as 'x' of hysteresis motor as shown in the figure?

  1. Hard steel rotor
  2. Stator winding
  3. Shading coil
  4. Laminated iron stator

What is the synchronous speed of an A.C 3 phase induction motor having 6 poles at a frequency of 50 Hertz?

  1. 1440 rpm
  2. 800 rpm
  3. 1200 rpm
  4. 1000 rpm

Which power modulator used in the electric drive system?

  1. Servo controlled voltage stabilizer
  2. Phase sequence indicator
  3. Cyclo converters
  4. Frequency multiplier

Which operation the control circuit is used?

  1. Inching
  2. Forward and reverse
  3. Sequential control
  4. Remote control

What is the major disadvantage of wind power generation?

  1. Requires high technology
  2. Pollution effect is more
  3. Plant installation more complicated
  4. Wind power is not constant and steady

Which is acts as a both inverter and converter?

  1. Semi conductor diode
  2. Mercury arc rectifier
  3. Metal rectifier
  4. Synchronous converter

What is the insulation resistance between any two conductors in a medium voltage domestic installation as per IE rules?

  1. Infinity
  2. More than one mega ohm
  3. Less than one Mega ohms
  4. Zero

Which battery can be kept in the AC room along with an inverter?

  1. Industrial lead acid batteries
  2. Nickel iron batteries
  3. Nickel cadmium batteries
  4. Sealed maintenance free batteries

Calculate the phase displacement in terms of slots for a 3 phase, 36 slots, 12 coils, 4 pole stator winding.

  1. 6 slots
  2. 4 slots
  3. 8 slots
  4. 3 slots

Calculate the percentage slip in a 3 phase induction motor having 6 poles with a frequency of 50 Hertz running with the actual speed of 960 rpm.

  1. 2%
  2. 3%
  3. 4%
  4. 5%

Which converting device can be over loaded?

  1. Rectifier unit
  2. Rotary converter
  3. Motor generator set
  4. Mercury arc rectifier

What is the purpose of the damper winding in a synchronous motor at starting?

  1. Produces a high voltage to oppose the stator flux
  2. Produces a torque and runs near the synchronous speed
  3. Produces a high current to oppose the stator flux
  4. Produce a high magnetic-field to maintain a constant speed

What is the name of the circuit as shown in the diagram?

  1. Control circuit of semi automatic star delta starter
  2. Control circuit of fully automatic star delta starter
  3. Power circuit of fully automatic star delta starter
  4. Power circuit of semi automatic star delta starter

Which rule is used to determine the direction of rotation of armature in D.C motor?

  1. Fleming's right hand rule
  2. Fleming’s left hand rule
  3. Right hand grip rule
  4. Right hand palm rule

Why D.C supply is necessary for synchronous motor operation?

  1. Reduce the losses
  2. Start the motor initially
  3. Run the motor with over load
  4. Run the motor at synchronous speed

What is the total electrical degrees of a 3 phase, 4 pole AC machine?

  1. 1080o
  2. 180o
  3. 720o
  4. 360o

Which instrument is used to test the armature winding for short and open circuit?

  1. Series test lamp
  2. Megger
  3. External Growler
  4. Tong Tester

Which device is made up of using the point contact, grown, diffusion and alloy junctions methods?

  1. Capacitor
  2. Resistor
  3. Inductor
  4. Transistor

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

  1. Shunt generator
  2. Compound generator
  3. Separately excited generator
  4. Series generator

Why the pin insulators outer surface is made by glazing and bent the sides inward?

  1. To attract the birds to sit on it
  2. To drip off the rain water
  3. To withstand the high voltage
  4. To offer the high mechanical strength

What is the main use of A.C drive?

  1. High starting torque
  2. Group drive motors
  3. Interlocking system in industries
  4. Control stepless speed in motors

What is the output voltage if the centre tap of the transformer is open circuited in a full wave rectifier circuit?

  1. One fourth of rated output
  2. Half of the rated output
  3. Full rated output
  4. Zero voltage

What is the name of the part marked as "X" in industrial agitator system as shown in the figure?

  1. Agitator tank
  2. Agitator motor
  3. Discharge pump
  4. Feed pump

WORKSHOP CALCULATION AND SCIENCE

Which is used to reduce the friction in machine parts?

  1. Water
  2. Kerosene
  3. Petrol
  4. Lubricants

How the years is denoted in simple interest calculations?

  1. r
  2. P
  3. I
  4. n

How the 'Principal' is denoted in simple interest calculation?

  1. 'P'
  2. 'I'
  3. 'n'
  4. 'R'

What is the name of a booklet, the rates of various terms are indicated?

  1. Price bunch
  2. Price catalogue
  3. Price tag
  4. Price bank

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

  1. 16x + 28y
  2. 44xy
  3. 39x + 5y
  4. 17x + 27y

What is the unit of strain?

  1. Kg/cm2
  2. Newton/metre2
  3. Metre
  4. No unit

ENGINEERING DRAWING

Voltage less than 250 volt is called______.

  1. MT (Medium Tension)
  2. HT (High Tension)
  3. LT (Low Tension)
  4. EHT (Extra High Tension)

Which device is used to start and stop a motor?

  1. Starter
  2. Slip ring
  3. Rotor
  4. Stator

Which is the single pole MCB?

Which is the static machine that increase or decrease the AC voltage?

  1. Alternator
  2. Transformer
  3. Induction motor
  4. Generator

Which is ball peen hammer?

Identify the symbol for direct and alternating current.

EMPLOYABILITY SKILLS

Complete the sentence with a suitable describing word:

  1. dry
  2. uneven
  3. polluted
  4. boring

Which wireless technology standard is used for exchanging data between fixed and mobile devices over short distance?

  1. Bluetooth
  2. Pen drive
  3. CD/DVD
  4. Router

Complete the sentence with appropriate word.

  1. are fitting
  2. fit
  3. is fitting
  4. were fitting

When we want to type using our voice, we are using _______

  1. voicing technique
  2. voice recorder
  3. voice of google
  4. voice recognition feature

What encourages entrepreneurship on a grand scale?

  1. Become rich quickly
  2. Become famous
  3. New business opportunities
  4. Global leader

Someone loves photography and dreams of starting his own photography business. They should start with _______.

  1. buying the latest photography equipment, even if it is beyond their budget.
  2. starting advertising without any planning.
  3. taking random pictures and sharing them online.
  4. learning more about photography and joining a basic photography course.

Complete the sentence with a suitable describing word.

  1. noisy
  2. polluted
  3. boring
  4. uneven

Which of the following is a key factor for a well-organized resume?

  1. Long paragraphs
  2. Simple designs and easy-to-read words
  3. Fancy fonts
  4. Complex designs

If you come up with an idea to improve the work using design thinking, what should you do next?

  1. Apply and test if it works
  2. Write down your idea and keep it safe
  3. Think of another idea
  4. Tell everyone about it

An important skill required for the future of work is _______.

  1. Avoiding building professional relationships.
  2. Learning to make reels and TikTok videos.
  3. Avoiding learning new skills.
  4. Mastering internet skills.

Which app is widely used for screen casting from your mobile phone?

  1. Webcast
  2. Facebook
  3. Mobizen
  4. WhatsApp

What are the different steps in design thinking?

  1. Imagine, Plan and Try
  2. Imagine, Decide, Create and Try
  3. Listen, Choose, Plan, Try, Ask
  4. Try, Create and Decide

Why is it good to think about what you learn?

  1. It helps to remember and understand better.
  2. It improves handwriting.
  3. It makes you look busy.
  4. It's a good time pass

A green practice involves any activity that ________

  1. involves consuming too much.
  2. generates pollution.
  3. causes harm to the environment.
  4. protects and takes care of the environment and resources.

What term describes a person who is always trying out new ways to reuse waste materials?

  1. Planner
  2. Peacekeeper
  3. Idea Person
  4. Doer

While applying for a job, the important information that should be mentioned in the covering letter includes ______.

  1. education details
  2. salary expectations
  3. reasons of suitable for the role
  4. hobbies

If your coworkers don't agree with your project idea, what's a good way to handle it with an entrepreneurial mindset?

  1. Ask for feedback and make your idea better with their help
  2. Stop talking about it
  3. Give up on your idea
  4. Stick to your idea without listening to others

What does it mean to think like a business person?

  1. Not liking change
  2. Only thinking about money
  3. Being scared to try new things
  4. Seeing problems as things to fix

As a machine operator, if you find that your machine is not working properly, what should you do?

  1. Ignore it
  2. Hide the machine
  3. Try to find the cause and remedies for the problem to solve it
  4. Blame someone for the defect

Which of the following future workplace skills is likely to have less importance?

  1. Adapting to new technology
  2. Working hours strictly between 9 AM to 5 PM
  3. Working from home
  4. Working with digital tools

Which of the following is an informal situation within the workplace?

  1. Working on a desktop
  2. Working with files
  3. Having a meal in the office canteen
  4. Working on a laptop

What is required for your career growth and sustainability?

  1. Degree
  2. Opportunity
  3. Good behaviour
  4. Build new skills

A resume should be _______

  1. having acronyms and abbreviation
  2. bold and colourful
  3. short and precise
  4. having long and detailed information

How have workplaces changed after COVID?

  1. Mix of in-person and at-home work
  2. No focus on technology
  3. Less job opportunities
  4. Flexible in working hours is nil

When a manufacturer is trying to make a better school bag using design thinking, what would be the next step after understanding the students' needs in a bag?

  1. Ask students to test the bags
  2. Choose the colour of the bag
  3. Choose the material for the bag
  4. Plan different bag designs

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