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ITI Previous Papers Electrician (NSQF)

PREVIOUS YEAR PAPER
TRADE NAMEElectrician (NSQF)
TRADE TYPEEngineering
YEAR2
EXAM DATE2024-08-27
EXAM TIME09:00:11:00
Question Paper MOCK TEST

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TRADE THEORY

What happens if the starting resistance of four point starter opens while DC compound motor is running?

  1. Motor stopped
  2. Runs at slow speed
  3. Runs at very high speed
  4. Runs at reverse direction

Why the armature core of a DC generator is laminated?

  1. To reduce the copper loss
  2. To reduce the friction loss
  3. To reduce the hysteresis loss
  4. To reduce the eddy current loss

Which turbine is used for high head in the hydro power plant?

  1. Reaction turbines
  2. Kaplan turbines
  3. Francis turbines
  4. Impulse turbines

What is the name of the test as shown in the figure?

  1. Test for Grounded coil
  2. Test for open coil
  3. Drop test
  4. Test for Shorted coil

What is the name of rule as shown in figure?

  1. Palm rule
  2. Fleming's left hand rule
  3. Fleming's right hand rule
  4. Thumb rule

What is the full form of UPS?

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

What is the condition for the maximum efficiency of a DC generator?

  1. Variable losses is equal to constant losses
  2. Variable losses is less than constant losses
  3. Variable losses is more than constant losses
  4. Eddy current loss is equal to hysteresis loss

What is the fuse rate to run a 10 HP in three phase induction motor at full load?

  1. 25 A
  2. 30 A
  3. 10 A
  4. 15 A

Why the LED’s are avoided as converters in rectifier diodes?

  1. Heavily doped device
  2. Designed for light emitting
  3. Very low power device
  4. Very sensitive to temperature

Which motor is having half coil winding?

  1. Washing machine
  2. Ceiling fan
  3. Grinder
  4. Mixer

Where D.C compound motors are preferred?

  1. High starting torque requirements
  2. Constant speed requirements
  3. Constant speed under varying load requirements
  4. Constant load requirements

Which supply indicates by the colour of conductor exhibited on Red, Blue and Black?

  1. Apparatus AC system 3 phase
  2. Supply DC 3 wire system
  3. Single phase AC system
  4. Supply AC system 3 phase

Which logic gate refers the truth table as given below?

  1. AND
  2. NOT
  3. NOR
  4. NAND

Which transformer is used in servo voltage stabilizer?

  1. Toroidal autotransformer
  2. Constant voltage transformer
  3. Step down transformer
  4. Step up transformer

What is the formula to calculate the back emf of a D.C motor?

  1. Eb = V – Ia Ra Volts
  2. Eb = V + Ia Ra Volts
  4. Eb = V x Ia Ra Volts

Why the D.C generator should run in one direction only?

  1. To protect the brushes from damage
  2. To protect the residual magnetism
  3. To avoid over loading of the generator
  4. To avoid short circuit in the armature

What is the name of instrument used to measure the insulation resistance of an alternator?

  1. Megger
  2. Multimeter
  3. Shunt type ohmmeter
  4. Series type ohmmeter

What is electric drive?

  1. A device converts A.C to D.C supply
  2. An electro mechanical device for controlling motor
  3. A device used as prime mover for generator
  4. A machine converts mechanical energy into electrical

Why a feedback network is used in the oscillator as shown in the circuit?

  1. To cancel noise distortion
  2. To phase shift the signal by 60o
  3. To phase shift the signal by 180o
  4. To cancel second harmonic distortion

What is the name of the contact marked as ‘X’ as shown in the figure?

  1. Delta contact
  2. Over load relay contact
  3. Star contact
  4. Auxiliary contact

Which drive is classified according to mode of operation?

  1. Manual drive
  2. Group drive
  3. Individual drive
  4. Continuous duty drive

Which type of starter is used for 3 phase slip ring induction motor?

  1. Direct on line starter
  2. Auto transformer starter
  3. Star - Delta starter
  4. Rotor resistance starter

Which resistor determines the voltage gain in a common emitter amplifier as shown in the circuit?

  1. R2
  2. Re
  3. R1
  4. RL

What is the rotor frequency of a 3 phase squirrel cage induction motor at the time of starting?

  1. 3 times less than the supply frequency
  2. √3 times less than the supply frequency
  3. Equal to the supply frequency
  4. 3 times more than the supply frequency

What is the disadvantage of DC drive?

  1. Less maintenance cost
  2. Not suitable for high speed operation
  3. Less expensive than AC drive for high capacity motor
  4. More complex with a single power conversion

What is the name of the part marked as ‘X’ as shown in the figure?

  1. Bearings
  2. Shaft
  3. Slip rings
  4. Brushes

What is the reason for providing two separate Earthing in the panel board?

  1. Reduce the voltage drop in panel board
  2. Panel board is made in metal box
  3. Control the stray field in the panel
  4. Ensure one earthing in case of other failure

Which type of motor is used to provide high starting torque at variable speed?

  1. Universal motor
  2. 3 Phase single squirrel cage induction motor
  3. 3 Phase slip ring induction motor
  4. Permanent capacitor motor

Why sequential control of motors are required in an industrial application?

  1. To increase the accuracy of operation
  2. To minimise the operating cost
  3. To reduce power consumption
  4. To share more loads

What is the name of the symbol as shown in the figure?

  1. Diode
  2. Zener diode
  3. Photo conductive diode
  4. Light emitting diode

What is the voltage ratio in A.C distribution line adopted for domestic consumers?

  1. 11 KV/415 V
  2. 415 V/110 V
  3. 415 V/240 V
  4. 240 V/110 V

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

  1. Metal rectifier
  2. Rotary converter
  3. Silicon controlled rectifier
  4. Mercury arc rectifier

What is the full form of NTC resistors?

  1. Neutral Temperature Co-efficient Resistor
  2. Natural Temperature Co-efficient Resistor
  3. Non Temperature Co-efficient Resistor
  4. Negative Temperature Co-efficient Resistor

Which gas is used in SF6 circuit breaker?

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

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

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

Which material is used for the damper winding?

  1. Copper bar
  2. Cast iron bar
  3. Silicon steel bar
  4. Stainless steel bar

What is the necessity of the residual magnetism in a self excited DC generator?

  1. Reduce the field current
  2. Maintain the constant output voltage
  3. Build up the voltage
  4. Reduce the armature current

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

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

WORKSHOP CALCULATION SCIENCE

What is denoted as 'I'?

  1. Principal
  2. Interest
  3. Rate
  4. Year

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

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

What is the expanded form of S.P?

  1. Selling Price
  2. Selected Price
  3. Super Price
  4. Special Price

What is the formula for (a-b)2?

  1. a2 - 2ab - b2
  2. a2 - 2ab + b2
  3. a2 + 2ab + b2
  4. -a2 - 2ab - b2

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

Which is photo diode?

Which is the single pole MCB?

Which device is used to start and stop a motor?

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

Identify the switch in the given picture.

  1. Toggle Switch
  2. Flux type switch
  3. Tumbler Switch
  4. Intermediate Switch

Which is the NOT gate in the following picture?

What is the name of the gate

  1. Ex-NOR Gate
  2. AND Gate
  3. OR Gate
  4. NOT Gate

EMPLOYABILITY SKILLS

If you want to give people relevant information about you and your business in an easy way, you will ______

  1. write on a piece of paper and give
  2. give them your business card
  3. verbally tell them when they ask
  4. ask them to search on Google

Which of the following best describes the gig economy?

  1. A system where employees work full-time for a single employer
  2. A system where workers are paid a fixed monthly salary
  3. A system where workers take on part-time or temporary jobs
  4. A system where workers have fixed work hours and locations

While reviewing a resume which is very important to keep in mind?

  1. Highlight skills and qualifications that match the job
  2. Salary details
  3. Interest and hobbies
  4. Lot of information to get the job

Which website has an ‘Idea Bank’? where you can find a list of multiple problems faced by the country now?

  1. Firefox
  2. Yahoo
  3. Start-up India
  4. Google

What does self-employment mean?

  1. Working independently and earning directly from your work
  2. Working part-time from home
  3. Receiving a fixed monthly salary
  4. Working for a single employer

While talking about your business plan to the audience, how will you make them to understand your product better?

  1. Share overall business costs
  2. Repeat yourself multiple times
  3. Tell a joke
  4. Give demo of the product/service

For career growth and _________ we need to build ______

  1. skills, sustainability
  2. sustainability, dams
  3. sustainability, new skills
  4. skills, bridges

In a manufacturing unit, the packaging process is taking longer than usual time, causing delays in shipments. What should the workers do?

  1. Ignore the problem
  2. Discuss and think about different ways to pack faster
  3. Continue packaging the same way
  4. Complain to the management

When a manufacturer trying to make a better school bag using design thinking. What would be the next step after understanding the students need in a bag?

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

When you do not know how to use a new machine, what will be your action?

  1. Stay silent till someone teaches you
  2. Leave the job
  3. Take a break and do it later
  4. Ask for help and learn how to use the machine

The ability to wait and stay calm ______

  1. interpersonal skill
  2. patience
  3. creativity
  4. problem solving

Which one will help us to maintain the balance between mental and physical activities?

  1. Running
  2. Hobbies
  3. Walking
  4. Reading

In an email, where will you add the recipient email address whom you want to send the copy of an email?

  1. Bcc
  2. Subject
  3. CC
  4. To

A person always trying out new ways to reuse the waste materials called as _______

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

What is the process of formally introducing oneself called?

  1. Decision
  2. Self-introduction
  3. Hiring
  4. Seeking

What is the standard way in which computers connected wireless?

  1. ISP
  2. LAN
  3. Wi-Fi
  4. WAN

The ability to connect well with people _______

  1. time management
  2. interpersonal skill
  3. leadership
  4. creativity

Important factors of a good resume need to be checked are _____________

  1. company details
  2. free from spelling, grammar mistakes, correct information
  3. paper quality
  4. attractive words

You have bakery business. Using WhatsApp, what way it will help your Business?

  1. Watch baking tutorial videos
  2. Check status updates
  3. Chat with friends
  4. Quickly respond to customer orders and questions

Which is an example of being open to learning in the workplace?

  1. Accepting and adapting to changes in work processes
  2. Avoiding feedback from colleagues
  3. Ignoring advancements in technology
  4. Refusing to attend training sessions to improve technology skills

Full form of GPS is _______

  1. Globe Pointing System
  2. Global Planning System
  3. Global Positioning System
  4. Great Polar System

For a project work you have collected some information from internet and sorted it. What is the best way to share it with your team?

  1. Share only the main points clearly, use simple words and pictures, if possible
  2. Print all the information and give it to the team members.
  3. Talk about information which are not available
  4. Tell everything in detail

Ways in which you can improve your technology Skills?

  1. Reading books
  2. Social service
  3. Handwork
  4. Social media, Online digital tools

What does a workplace look like after a pandemic like covid?

  1. Less production
  2. Less employees
  3. Empty space
  4. Mix of work from home and office

Plan, Prepare, Perform is related to ______

  1. attending interview
  2. your resume
  3. your personality
  4. your work

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