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ITI CBT Exam Paper 3 September 2021

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CBT Exam Paper Analysis

ये प्रश्न 3 September 2021 के CBT परीक्षा में पूछे गये थे |

सभी प्रश्न आईटीआई के छात्र जो 3 September को परीक्षा दें चुकें है उनके द्वारा भेजा गया है |

Electrician Theory

First Year

Q . 1 Which plier is used for making wire hooks and loops?

A Flat nose plier 

B Long nose plier 

C Round nose plier 

D Diagonal cutting plier

Q. 2 Which disposal method of waste save lot of energy?

A Land fill 

B Recycling 

C Incineration 

D Composting

Q. 3 What is the use of mortise chisel?

A General chiselling work in wood
B Making rectangular holes in wood
C Paring and finishing joints in wood 
D Light chiselling cleaning sharp corners and in wood

Q. 4Which type of calliper is used to draw parallel lines along the outer edges of the materials?

A Inside calliper
B Jenny calliper
C Outside calliper
D Spring joint calliper

Q. 5 Which file is used for sharpening the blunt teeth of a tenon saw?

A Square file 
B Round file
C Triangular file
D Half round file

Q. 6 Which type of curve cutting hand saw is used for internal cutting in wood?

A Compass saw 
B Key hole saw 
C Coping saw
D Fret saw

Q. 7 What is the unit of insulation resistance?

A Ohm
B Kilo ohm 
C Milli ohm
D Mega ohm

Q. 8 What is the effect of electric current on neon lamp?

A Heating effect
B Magnetic effect
C Chemical effect
D Gas ionization effect

Q. 9 What is the effect of the parallel circuit with one branch opened?

A Current will remain same
B Whole circuit will not function 
C No current will flow in that branch 
D Voltage drop increase in the opened branch

Q. 10 Which material is the paramagnetic substance?

A Cleat wiring 
B Copper
C Bismuth 
D Graphite 

Q. 11 Which type of capacitor is used for space electronics?

A Plastic film type
B Ceramic disc type
C Electrolytic-Aluminum type 
D Electrolytic-Tantalum type

Answers :

  1. C
  2. B
  3. B
  4. B
  5. C
  6. B
  7. D
  8. D
  9. C
  10. B
  11. D
 Download PDF : 

Second Year 

Q. 1 Which rule is used to find the direction of induced emf in D.C generator?
A Cork screw rule 
B Right hand palm rule 
C Fleming’s left-hand rule
D Fleming’s right hand rule

Q. 2 Name the part of DC generator?

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A Side end plates 

B Pole shoe lamination 

C Commutator segment

D Armature core lamination

Q. 3 What is the function of split rings in DC generator?

A Maintain constant voltage

B Collects the current unidirectionally

C Reduces the voltage drop at brushes

D Increases the terminal voltage than rated

Q. 4 What is the effect in D.C generator, if it is kept ideal for long time?

A Field coil resistance increases

B Armature resistance increases 

C Increase the armature reaction 

D Looses its residual magnetism

Q. 5 What is the name of the symbol?

A Two input OR gate
B Two input AND gate
C Two input NOR gate
D Two input NAND gate

Q. 6 Which cable ties are used to bunch the wires?

A Silk ties
B P.V.C ties 
C Nylon ties
D Cotton ties

Q. 7 Which drive is classified according to mode of operation?

A Group drive
B Manual drive
C Individual drive
D Continuous duty drive

Q. 8 What is the name of the component marked as X’ in the block diagram of AC drive?

A Rectifier
B D.C bus 
C Inverter 
D A.C motor 

Q. 9 What is the minimum permissible single phase working voltage, if the declared voltage is 240V as per ISI?

A 233 V 

B 228 V 

C 216 V 

D 211 V 

Q. 10 What is the full form of PWM?

A Pulse Wide Modulation 

B Pulse Width Modulation 

C Phase Wide Modulation 

D Phase Width Modulation 

Q. 11 Which device senses the wind speed in a wind power generation?

A Exciter unit 

B Turbine controller

C Chopper controller 

D Line controller unit

Q. 12 Which type of line insulator is used at the dead ends of the H.T overhead lines?

A Pin insulator

B Disc insulator 

C Stay insulator 

D Post insulator

Q. 13 How the rupturing capacity of circuit breaker is rated?

A KV

B KW 

C MVA 

D KVAR

Q. 14 Which type of relay is used in both A.C and D.C supply?

A Reed relay

B Impulse relay 

C Thermal relay 

D Clapper-type armature relay

Answer : 

  1. D
  2. D
  3. B
  4. D
  5. D
  6. C
  7. D
  8. B
  9. B
  10. B
  11. B
  12. B
  13. C
  14. B
 Download PDF : 

Workshop Calculation and Science 

First Year

Q. 1 What is the square root of 529?

A : 13 

B : 23 

C : 33 

D : 43 

Q. 2 What is the x value for x2 + 62 =102?

A : 4

B : 6 

C : 8

D : 10

Q. 3 What is the rate of change of displacement of a body?

A : Body at rest 

B : Body at motion 

C : Speed 

D : Velocity 

Q. 4  What is the melting point of aluminium?

A : 660°C 

B : 680°C 

C : 670°C 

D : 620°C

Q. 5 Which is the unit electrical power?

A : Volts

B : Ohms 

C : Watts

D : Ampere 

Q. 6 How much load is lifted if an effort of 25 kg is applied to a simple machine
having velocity ratio of 4 and efficiency 75%?

A : 65 kg 

B : 70 kg 

C : 75 kg 

D : 80 kg

Answer :

  1. B
  2. C
  3. D
  4. A
  5. C
  6. C
  1.  
 Download PDF : 
 

Second Year

Q. 1 What is the force required to move a 20 kg object with a co-efficient of friction is 0.24?
A : 4.8 kg .
B : 0.48 kg 
C : 0.048 kg 
D : 0.0048 kg 
 
Q. 2 What is the length of arc of the sector whose radius is 15 cm and the intended angle is 30°?
A : 7.85 cm 
B : 7.25 cm 
C : 6.75 cm 
D : 6.85 cm
 
Q. 3 What is the radius of a circle whose diameter is 44 cm? 
A : 44 cm 
B : 22 cm 
C : 23 cm 
D : 20 cm
 
Q. 4 What is the safe stress if the ultimate stress of a material is 35 kg/mm² and factor of safety is 5?
A : 0.143 
B : 0.7 
C : 1.43 
D : 7
 
Q. 5 What is the cost price if the product is sold at ₹ 572 with a profit of ₹ 72? 
A : ₹ 500 
B : ₹ 1000 
C : ₹ 644 
D : ₹ 472
 
Q. 6  What is a hand book? 
A : Model book of various works 
B : Type of reference work or other collection of
instruction 
C : Design book of latest works 
D : Dictionary of materials
 
Q. 7 What is the expanded form of S.P? 
A : Selected Price 
B : Special Price 
C : Selling Price 
D : Super Price 
 
Answer :
  1. A
  2. A
  3. B
  4. D
  5. A
  6. B
  7. C
 Download PDF : 
 

Employability Skills  

Q. 1 A computer system consists of ______
A software and program 
B hardware and software
C mouse and keyboard 
D circuit diagram 
Ans : B
 
Q. 2 Which one is a social networking site? 
A Outlook express 
B Face book 
C Lotus notes 
D Mozilla 
Ans : B
 
Q. 3 Which one is NOT an article? 
A a 
B an 
C in 
D the 
Ans : C
 
Q. 4 Fill in the blank with comparative adjective_ 
 “Your pencil is__________ than mine”. 
A sharp 
B sharper 
C blunt 
D thick 
Ans : B 
 
Q. 5 In “SWOT” analysis, “S” stands for…………… 
A Success 
B Strength 
C Survey 
D Service 
Ans : B
 
Q. 6 Earthquake is measured with an instrument called ____________.
 
A telegraph 
B seismograph 
C oscillograph 
D bar graph 
Ans : B
 
Q. 7 Under Factories Act, the workers weekly hours
should not exceed more than…………… 
A 60 hours 
B 50 hours 
C 48 hours 
D 40 hours 
Ans : C
 
Q. 8  The PDCA means…………… 
A Plan, Develop, Control, Act 
B Plan, Do, Check, Act 
C Plan, Develop, Check, Act 
D Plan, Do, Control, Act .
Ans : B
 Download PDF : 

Fitter Theory

First Year

Q. 1 What are the three factors causes fire?
A Fuel, Heat, Oxygen 
B Oxygen, Fuel, Nitrogen 
C Heat, Nitrogen, Oxygen 
D Fuel, Carbon-dioxide, Heat 
 
Q. 2 Which chisel used for squaring materials at the corners, joints? 
A Flat chisel 
B Cross cut chisel 
C Diamond point chisel 
D Half round nose chisels
 
Q. 3 What is the material to manufacture bench vice?
A Tool steel 
B High carbon steel 
C Medium carbon steel 
D Cast iron
 
Q. 4 Where will be the weight of the hammer stamped? 
A Face 
B Pein 
C Cheek 
D Eye hole 
 
Q. 5 What is the use of bevel protractor? 
A Check the length 
B Set the work piece 
C Measure the angle 
D Measure the depth
 
Q. 6 What is the name of hammer?
 
A Mallet hammer 
B Ball pein hammer 
C Cross pein hammer 
D Straight pein hammer
Q. 7 What is the name of file?
A Hand file
B Rasp cut file
C Single cut file
D Curved cut file
Q. 8 Which hammer is suitable for riveting?
A Plastic hammer 
B Ball pein hammer 
C Cross pein hammer 
D Straight pein hammer
 
Answer :
  1. A
  2. C
  3. D
  4. C
  5. C
  6. C
  7. B
  8. B
 Download PDF : 

Second Year

 
Q. 1 What is the use of drill gauge?
A Check the diameter of the drill
B Check the length of the drill 
C Check the cutting angle of the drill 
D Check the lip length
 
Q. 2 What is the name of gauge?
 
A Centre gauge 
B Screw pitch gauge 
C Radius gauge 
D Snap gauge 
Q. 3 Which type of machine screw is used in light assembly work?
A Hexagon head screw 
B Cheese head screw 
C Hexagon socket head cap screws 
D Square head counter sink head screws
Q. 4 What is the color of the aluminum metal?
A Yellow
B Red
C Whitish grey 
D Silvery white
Q. 5 Which are the alloys of brass metal?
A Copper and tin
B Copper and zinc 
C Copper and lead 
D Copper and nickel
 
Q. 6 Which metal is used to make head of a soldering iron?
A Bronze
B Lead
C Brass 
D Copper 
 
Q. 7 Which formula is used to calculate the pressure?
A Force + Area
B Force/Area 
C Force – Area 
D Force x Area
 
Answer :
  1. A
  2. B
  3. B
  4. C
  5. B
  6. D
  7. B
 Download PDF : 
 Draughtsman Civil
First Year
Q. 1 Which scale is used to construct angles in absence of a protractor?
A : Diagonal scale 
B : Comparative scale
C : Chord scale 
D : Plain scale
 
Q. 2 What is the property of material to absorb water vapour from air?
A : Hydroscopicity 
B : Water absorption 
C : Permeability 
D : Durability
 
Q. 3  Which type of paint is applied for iron work
under water? 
A : Asbestos paint
B : Cellulose paint
C : Aluminium paint
D : Bituminous paint
 
Q. 4 What is the dead load?
A : Roof
B : Snow 
C : Wind pressure 
D : Men and animals
 
Q. 5 Which floor do not require form work
during construction?
A : Precast concrete floor 
B : Double flange stone floor 
C : Jack arch floor 
D : Filler joist floor
 
Q. 6 What is the minimum width of a stair?
A : 70 cm
B : 80 cm 
C : 90 cm 
D : 100 cm
 
Answer 
  1. C
  2. A
  3. D
  4. A
  5. A
  6. B
 Download PDF : 
 

 COPA 

Q.1 कंप्यूटर किस प्रकार का उपकरण है?

  1. वैद्युत उपकरण
  2. इलेक्ट्रॉनिक उपकरण
  3.  इलेक्ट्रो मैग्नेटिक
  4. इलेक्ट्रो मैकेनिकल

Key :   2

Q.2 Analytical engine का आविष्कार किसने किया?

  1. चार्ल्स बैबेज
  2. जॉन लिकरर्ट
  3.  जॉन मौची
  4. एम वी विल्क्स

Key : 1

Q. 3 सीपीयू की आंतरिक ऊर्जा आपूर्ति इकाई कौन सी है?

A :   CVT | सी वी टी
B :   UPS | यूपीएस
C :   SMPS | एसएमपीएस
D :   Stablizer | स्टेबलाइजर

Key :   C

Q. 4 Which one is an example for OS? | ओएस के लिए कौन सा उदाहरण है?

A :   Antivirus | एंटीवायरस
B :   Windows | विंडोज
C :   MS Office | एमएस ऑफिस
D :   Macromedia | मैक्रोमीडिया

Key :   B 

Q. 5 Which shortcut key is used to copy and paste a file folder ?

A :   Ctrl+ X and Ctrl + V
B :   Ctrl + A and Ctrl + V
C :   Ctrl + Z and Ctrl + V
D :   Ctrl + C and Ctrl + V

Key :   D

Q. 6 Where does the pinned application stayed in Windows Os?

A :   Desktop | डेस्कटॉप
B :   Notification Area | अधिसूचना क्षेत्र
C :   Start Button | प्रारंभ करें बटन
D :   Task Bar | टास्क बार

Key :   D

 

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