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ITI Previous Papers Electrician (NSQF)

PREVIOUS YEAR PAPER
TRADE NAMEElectrician (NSQF)
TRADE TYPEEngineering
YEAR2
EXAM DATE2024-08-29
EXAM TIME15:00:17:00
Question Paper MOCK TEST

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TRADE THEORY

Which gas is used in SF6 circuit breaker?

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

What is the purpose of pole shoe in DC generator?

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

Which power modulator used in the electric drive system?

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

What is the full form of VVVFD?

  1. Variable Value Voltage Frequency Drive
  2. Voltage Value Variable Frequency Drive
  3. Value Variable Voltage and Frequency Drive
  4. Variable Voltage Variable Frequency Drive

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

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

What is the total turn-on time (ton) while transistor makes a transition from V2 to V1?

  1. ton= tr - ts
  2. ton= td + tr
  3. ton= tr+ td+ ts
  4. ton= tr - td

Which method of the parallel operation of alternator is shown in the diagram?

  1. Moving iron type synchroscope method
  2. Dark lamp method
  3. Western type synchroscope method
  4. Dark & Bright lamp method

Which type of armature winding is illustrated as shown in the figure?

  1. Quadruplex lap winding
  2. Triplex lap winding
  3. Simplex lap winding
  4. Duplex lap winding

Calculate the number of coils /phase/ pole for a 3 phase double layer distributed winding for a motor having 36 slots, 36 coils and 4 poles.

  1. 12 coils/ phase/ pole
  2. 6 coils / phase/pole
  3. 3 coils /phase/ pole
  4. 9 coils / phase/pole

Which DC load is represented by the DC4 standard duty cycle of contactors?

  1. Starting and stopping of shunt motor with inching and braking
  2. Resistive loads except motor loads
  3. Starting and stopping of series motor
  4. Starting and stopping of shunt motor

What refers coil in AC winding?

  1. Number of turns connected in parallel
  2. Number of turns under two similar poles
  3. Number of turns connected in series
  4. Number of turns under two dissimilar poles

What is the name of generator, if its field is connected in parallel with armature?

  1. Separately excited generator
  2. Long shunt compound generator
  3. Shunt generator
  4. Series generator

How the opposite polarity of adjacent poles of a 4 pole DC motor is obtained?

  1. By decreasing the number of turns in coil
  2. By making the current flow in same direction
  3. By increasing the number of turns in coil
  4. By making the current flow in opposite direction

What happens, if time delay relay of an auto star delta starter still in closed condition after starting?

  1. Motor runs in delta only
  2. Motor runs in high speed
  3. Motor runs normally
  4. Motor runs in star only

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

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

What is the formula for dynamically induced emf?

  1. BLV cosθ volts
  2. BL sinθ volts
  3. BLV volts
  4. BLV sinθ volts

What is the advantages of stepper motor?

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

What is the purpose of field coils in D.C generator?

  1. To decrease the magnetizing current
  2. To magnetize the poles to produce coil flux
  3. To increase the reluctance of magnetic path
  4. To increase the flux in air gap

What is the purpose of control transformer used in the control panel wiring?

  1. To supply the power to the auxiliary circuits
  2. To maintain the constant supply voltage
  3. To supply the power to the motor circuits
  4. To supply the power circuits

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

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

Why commutators are sparking heavily?

  1. Incorrect armature connection
  2. Incorrect field connection
  3. Incorrect direction of rotation
  4. Incorrect brush position

Which fuel is available in plenty in India for power generation?

  1. Coal
  2. Diesel
  3. Gasoline
  4. Gas oil

Which application requires only DC?

  1. Electroplating
  2. Operating repulsion motor
  3. Stepping up of voltage
  4. Operating induction motor

Which logic gate refers the truth table as given below?

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

Which DC Motor is designed to work with the full load limits?

  1. Series motor
  2. Shunt motor
  3. Cumulative compound motor
  4. Differential compound motor

What is the effect in internal resistance of a discharged cell?

  1. Decrease
  2. Becomes zero
  3. Increase
  4. Remain same

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

  1. Diamond mesh shaped coil winding
  2. Concentric coil winding
  3. Basket winding
  4. Mesh shaped coil winding

What is the advantage of motor generator set?

  1. Low maintenance required
  2. Noiseless
  3. High efficiency
  4. DC output voltage can be easily controlled

Which type of wire is used for rewinding of A.C 3 phase motors?

  1. Double cotton covered copper wire
  2. Single cotton covered copper wire
  3. PVC covered copper winding wire
  4. Super enamelled copper wire

What is the formula to calculate the back EMF in a DC motor?

Which is the conventional power generation?

  1. Tidal power generation
  2. Thermal power generation
  3. Wind power generation
  4. Solar power generation

Which transformer is used in servo voltage stabilizer?

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

Which method is used to control the speed of 3 phase induction motor from stator side?

  1. By injecting frequency in rotor circuit
  2. By changing the applied frequency
  3. By rotor rheostat control
  4. By injecting emf in rotor circuit

How the voltage is received in the rotor of induction motor?

  1. Due to back emf produced in stator
  2. By the transformer action of stator and rotor
  3. Direct connection from stator
  4. Direct connection to rotor from supply

Which is proportional to the torque in D.C motor?

  1. Armature current
  2. Back e.m.f
  3. Terminal voltage
  4. Field current

Which electronic circuit produces signal waves or pulses without an input?

  1. Detector
  2. Oscillator
  3. Modulator
  4. Amplifier

What is the type of an alternator as shown below?

  1. Salient pole type alternator
  2. Three phase alternator
  3. Single alternator
  4. Brushless alternator

What is the criteria to decide a material as conductor, semi conductor and insulator?

  1. Atomic number of an atom
  2. Atomic weight of an atom
  3. Existence of valance electrons of an atom
  4. Atomic bonding structure of an atom

WORKSHOP CALCULATION SCIENCE

What is the expanded form of (a+b)2?

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

Which type of stress?

  1. Compressive stress
  2. Torsional stress
  3. Shear stress
  4. Tensile stress

What is the value of a x a2 x a3 x a4 ?

  1. a8
  2. a9
  3. a10
  4. a7

How the years is denoted in simple interest calculations?

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

What is the formula for amx an?

  1. am+n
  2. am-n
  3. amn
  4. n.am

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

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

ENGINEERING DRAWING

Which is protective device?

  1. Capacitor
  2. Resistor
  3. Magnet
  4. Fuse

Voltage less than 250 volt is called______.

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

Which is the single pole MCB?

What is the name of the gate

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

Which device is used to start and stop a motor?

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

Which of the following is AC ammeter?

EMPLOYABILITY SKILLS

Which among the following is self-employment idea?

  1. Freelance tailoring Service
  2. Boutique owner
  3. Home catering service
  4. All the options

A resume should be _______

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

How can Instagram, linkedIn, and YouTube help you in finding a job?

  1. As informed by others
  2. Connecting you with company, professionals faster
  3. Its economical
  4. Its available in mobile

Which one is a key skill to be used for a Market survey?

  1. MBA Degree
  2. Computer knowledge
  3. Communication
  4. Appearance

To become a gig worker, a person should find gig work opportunities by means of _______

  1. Study about gig work.
  2. Independently search for job.
  3. Connect with friends, people you might know and groups in your communities.
  4. Find a multi national company.

In a team where members have different ideas and there is a disagreement, what should be done?

  1. Choose one idea without discussion
  2. Ask someone else to decide
  3. Let them argue
  4. Discuss both ideas and find a way to make everyone agree

When you start a discussion on a topic, what do you say?

  1. Let you start
  2. Let us discuss
  3. Let us finish
  4. Let me say

Find the Entrepreneur from the given options.

  1. Anand Mahindra
  2. Cabinet Secretary
  3. RBI Governor
  4. SBI CEO

Curriculum Vitae is also known as _______

  1. Leave application
  2. Career opportunity
  3. Job application
  4. Resume

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

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

In an organisation, if all the workers are skilled and systematically working, the organisation will be ________

  1. Confusion
  2. Loss for the organisation
  3. More output and more profit
  4. Less work gets done

Ways in which you can improve your technology Skills?

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

You are requested to complete the given assignment by Monday This is an example of _______

  1. informal communication
  2. an order
  3. a request
  4. formal communication

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

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

While thinking about learning, what are the questions you can ask yourself?

  1. It is very difficult for me to understand
  2. It is very tough
  3. How can I learn and understand better?
  4. Its waste of time

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

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

How does design thinking help solve problems?

  1. By following a strict process
  2. By understanding what people need and improving solutions
  3. By guessing solutions randomly
  4. By trusting on personal assumptions

If a teammate is struggling to complete their assigned task, what should you do?

  1. Offer to help and support them to complete their task
  2. Complain to the superior about their lack of contribution
  3. Criticize them for not being efficient
  4. Ignore their struggle and focus on your own tasks

What are green jobs?

  1. Jobs shared in green colours
  2. Jobs that harm the environment
  3. Jobs that conserve resources and help the environment
  4. Jobs that ignore waste separation and recycling

What should be avoided during an interview?

  1. Answer clearly and loudly
  2. Look somewhere and answer
  3. Greet the employer with a smile
  4. Maintain eye contact

What is the standard way in which computers connected wireless?

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

Alexa, Google, Siri are in the category of _______

  1. Musical instruments
  2. Translation devices
  3. Voice recognition devices
  4. Voice recorders

Which is the most essential skill to get a job?

  1. Interview Skill
  2. Entrepreneurship Skill
  3. Translation Skill
  4. Learning more language skill

During a job interview, which of the following responses shows good formal communication?

  1. "Uh, I guess I can do a little bit of everything."
  2. "I'm pretty good at a lot of things."
  3. "I don't know, I never really thought about it."
  4. "My top three skills are problem-solving, teamwork, and attention to detail."

Skill India Digital is _________

  1. a digital Movie
  2. central govt. office
  3. name of a trade
  4. a platform for learning and career resource

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