ITI CBT Question Paper 2024 Electrician 1st Year
ITI CBT Question Paper 2024 Electrician 1st Year हेलो दोस्तों, में जानता हूँ की आप सभी को Electrician MCQ या बहुविकल्पि प्रशन की आवश्यकता होती है। इसलिए मै आप सभी के लिए NIMI पैटर्न पर आधारित ITI Electrician theory 1st year MCQ Question in English 2024 दिए गए हैं। ये Question’s आईटीआई के Exam में 100% पूछे जाते हैं।अगर आप सभी को ITI Electrician 1st Year’s and 2nd year’s MCQ 2024 का PDF file Download भी कर सकते हैं। ITI CBT Question Paper 2024 Electrician 1st Year
ITI Electrician 1st year MCQ in English 2024
1. What is the current carrying capacity of 32 amp. rated cable, if it is protected by the rewireable fuse?
(a) 13 Amp
(b) 16 Amp
(c) 26 Amp
(d) 39 Amp
2. What is the possible range to measure the size of the wire in a Standard Wire Gauge (SWG)?
(a) 0-44
(b) 0-42
(c) 0-38
(d) 0-36
3. What is the name of the wire joint?
(a) Aerial tap joint
(b) Knotted tap joint
(c) Duplex cross-tap joint
(d) Double cross-tap joint
4. Which type of soldering flux is used for soldering galvanized iron?
(a) Rosin
(b) Zinc chloride
(c) Sal ammonia
(d) Hydrochloric acid
5. Which method of soldering is used for quantity production and for tinning work?
(a) Dip soldering
(b) Soldering with a flame
(c) Soldering with a soldering iron
(d) Soldering with soldering gun |
6. What is the name of the part marked as X in the underground (UG) cable?
(a) Bedding
(b) Armouring
(c) Lead sheath
(d) Paper insulation
7. What is the full form of XLPE Cable?
(a) Cross Line Poly Ethylene
(b) X’s Line Phase Earthing
(c) Cross Linked Poly Ethylene
(d) Excess Length Paper and Ebonite
8. What is the purpose of the ‘serving’ layer in the underground cable?
(a) Protect the cable from moisture
(b) Protect the cable from mechanical injury
(c) Protect metallic sheath against corrosion
(d) Protect armoring from atmospheric condition
9. Which type of fault of U.G Cable can be located by this loop test?
(a) Ground fault
(b) Short circuit fault
(c) Open circuit fault
(d) Weak insulation fault
10. Which cable laying method is used in generating station?
(a) In ducts
(b) Racks in the air
(c) Along buildings
(d) Direct in ground
11. How many electrons are there in the valence shell of a copper atom?
(a) 1
(b) 2
(c) 8
(d) 18
ITI Electrician theory 1st year MCQ Question in English
12. What is the effect of electric current on neon lamps?
(a) Heating effect
(b) Magnetic effect
(c) Chemical effect
(d) Gas ionization effect
13. What is the unit of insulation resistance?
(a) Ohm
(b) Kilo ohm
(c) Milli ohm
(d) Mega ohm
14. Which electrical device is the coarse excess current protection?
(a) Cartridge fuses
(b) Re–wirable fuses
(c) Miniature Circuit Breaker (MCB)
(d) High Rupturing Capacity (HRC) Fuses
15. Which type of joint is used for extending the length of the conductor in overhead lines?
(a) Scarfed joint
(b) Aerial tap joint
(c) Britannia T joint
(d) Western Union joint
16. Which type of soldering flux is used for soldering aluminum conductors?
(a) Tallow
(b) Ker-al-lite
(c) Zinc chloride
(d) Sal ammonia rosin
17. What is the effect on molten solder due to repeated melting?
(a) Tin content reduced
(b) Lead content reduced
(c) Prevent slug formation
(d) Uneven flowing in joints
18. What will happen to PVC insulation in cable carries excess current continuously for long period?
(a) Voltage drop increases
(b) Voltage drop decreases
(C) Insulation resistance increases
(d) Insulation resistance decreases
19. Which method of cable laying is suitable for congested areas?
(a) Racks in air
(b) Duct pipes
(c) Along buildings
(d) Direct in ground
20. What is the name of the part marked X in UG cables?
(a) Serving
(b) Bedding
(c) Armouring
(d) Lead sheath
21. What is the fault of the U.G cable identified in the circuit?
(a) Ground fault
(b) Short circuit fault
(c) Open circuit fault
(d) Weak insulation fault
22. Which part of the underground cable is protecting the metallic sheath against corrosion?
(a) Serving
(b) Bedding
(c) Armouring
(d) Lead sheath
23. Why the soldering iron must be kept in a stand that is not in use while soldering?
(a) It prevents burns and fire
(b) To control the excessive heat
(c) To save time in the soldering process
(d) To save the operator from electric shock
24. Which type of wire joint is found in the junction box?
(a) Aerial tap joint
(b) Plain tap joint
(c) Rat tail joint
(d) Married joint
25. What is the name of the joint?
(a) Married joint
(b) Scarfed joint
(c) Western union joint
(d) Britannia straight joint
26. What is the use of the Britannia T joint?
(a) Extending the length of the lines
(b) Inside and outside wiring installation
(c) Mechanical stress not required on the conductor
(d) Tapping the service connection from overhead lines
27. Which type of soldering method is used for servicing and repairing work?
(a) Dip soldering
(b) Soldering with a flame
(c) Soldering with a soldering gun
(d) Soldering with a soldering iron
28. What is the use of the dip soldering method?
(a) Soft soldering
(b) Piping and cable soldering work
(c) Soldering miniature components on PCB
(d) Soldering sensitive electric components
29. Name the part marked X of belted U.G cable.
(a) Jute filling
(b) Armouring
(c) Lead sheath
(d) Paper insulation
30. Which insulating material is used as a hot pouring compound for making joints in underground cables?
(a) Polyamine hardener
(b) Cast resin compound
(c) Bituminous compound
(d) Epoxy cast resin compound
31. What is the purpose of bedding insulation of U.G. cable?
(a) Protect the cable from mechanical injury
(b) Protect the cable from moisture and gases
(c) Protect armoring from atmospheric condition
(d) Protect the metallic sheath against corrosion
32. Which test is conducted to locate the faults in U.G. cables?
(a) Loop test
(b) External growler test
(c) Break down voltage test
(d) Insulation resistance test
33. What does the number 1.40 represent if a stranded conductor is designated as 7/1.40?
(a) Area of cross-section
(b) Radius of one conductor
(c) Diameter of all conductor
(d) Diameter of each conductor
34. What is the value of the electrical conductivity of an aluminum conductor?
(a) 61 mho/m
(b) 56 mho/m
(c) 35 mho/m
(d) 28 mho/m
35. What is the rating factor of cable provided with coarse excess current protection?
(a) 1.11
(b) 1.23
(c) 0.81
(d) 0.707
36. What is the size of the neutral conductor compared to the phase conductor in U.G Cable?
(a) Same size of the phase conductor
(b) Half the size of the phase conductor
(c) 1/4 size of the phase conductor
(d) 1/3 size of the phase conductor
37. What is the name of the tool?
(a) Cutting plier |
(b) Wire stripper
(c) Crimping tool
(d) Side-cutting plier
39. What is the reading of the micrometer?
(a) 5.05 mm
(b) 5.00 mm
(c) 4.55 mm
(d) 4.05 mm
40. Which method of soldering is used for repairing the vehicle body?
(a) Dip soldering
(b) Soldering with flame
(c) Soldering with a soldering iron
(d) Soldering with a soldering gun
41. What is the advantage of a stranded conductor over a solid conductor?
(a) Cost is less
(b) More flexible
(c) Less voltage drop
(d) More insulation resistance
42. What is the current capacity of the 16 Amp? Cable, if it is protected by coarse excess current protection?
(a) 11 A
(b) 13 A
(c) 15 A
(d) 18 A
43. What is the unit for Quantity of electricity?
(a) Mho
(b) Coulomb
(c) Volt /second
(d) Ampere/second
44. What is the name of the soldering method?
(a) Dip soldering
(b) Soldering iron
(c) Soldering gun
(d) Soldering with flame
45. What formula is used to find Electro Motive Force (EMF)?
(a) EMF = Potential difference – voltage drop
(b) EMF = Potential difference + voltage drop
(c) EMF = Potential difference + voltage drop/2
(d) EMF = Potential difference + 2 x voltage drop
46. What is the current rating factor for close excess current protection of cable?
(a) 0.81
(b) 0.92
(c) 1.23
(d) 1.5
48. What is the name of the soldering method?
(a) Dip soldering
(b) Soldering with a blow lamp
(c) Soldering with a soldering gun
(d) Temperature-controlled soldering
49. What is the cause of cold solder defect in soldering?
(a) Excessive heating
(b) Insufficient heating
(c) Incorrect use of solder
(d) High wattage soldering iron
50. What happens to the voltmeter if it is connected to an ammeter?
(a) Low reading
(b) No deflection
(c) Meter burns out
(d) Overshoot deflection
ITI Electrician theory 1st year MCQ Question in English
51. Which is the example of coarse excess current protection?
(a) MCB
(b) MCCB
(c) H.R.C fuses
(d) Rewireable type fuse unit
52. Which conductors are used for distribution lines?
(a) Insulated conductors
(b) Insulated solid conductors
(c) Bare conductors
(d) Two-core cable
Electrician PDF DownloadAnswers:
1 – C | 2 – D | 3 – B | 4 – D | 5 – A | 6 – A | 7 – C | 8 – D | 9 – B | 10 – B | 11 – A | 12 – D | 13 – D |
14 – B | 15 – D | 16 – B | 17 – A | 18 – D | 19 – B | 20 – D | 21 – B | 22 – B | 23 – A | 24 – C | 25 – A |
26 – D | 27 – C | 28 – C | 29 – C | 30 – C | 31 – D | 32 – A | 33 – D | 34 – C | 35 – C | 36 – B | 37 – C |
38 – C | 39 – C | 40 – B | 41 – B | 42 – B | 43 – B | 44 – C | 45 – B | 46 – C | 47 – B | 48 – D | 49 – B |
50 – A | 51 – D | 52 – C |
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