Mar 17, 2023 By admin MockTest 1 ( Electrician 2nd yr) Load QuizSave Quiz KHAMARGACHI PRIVATE ITI (PR19000230) CBT - INTERNAL EXAM - FEB'-MAR' 2023 Venue: IT-LAB AT KITI ELECTRICIAN - SECOND YEAR Total No. of Questions: 75 Questions Subject-Wise: Trade Theory-33, WS&C - 11, ED - 11 & Emp. Skills - 20 Note: Mandatory to attend all questions. No Negative Marks. Name: Phone: ITI Name Reg. No. 1. [Trade Theory] What is the input ripple frequency (Fin) of full wave rectifier? 2. [Trade Theory] Which code indicates silicon semiconductor diode? OA 79 BY 126 IN 4007 2N 3055 3. [Trade Theory] Which supply indicates by the colour of conductor exihibited on Red, Blue and Black? Supply DC 3 wire system Single phase AC system Supply AC system 3 phase Apparatus AC system 3 phase 4. [Trade Theory] Which cable ties are used to bunch the wires? Silk ties P.v.c ties Nylon ties Cotton ties 5. [Trade Theory] Which control system consumes very low power for motion control in AC and DC motors? Field control Drives control Voltage control Armature control 6. [Trade Theory] Which instrument is used to measure armature winding resistance? Please select your answer Megger Multimeter Series type Ohm meter Kelvin bridge 7. [Trade Theory] Which winding fault is determined by the test? Open coil fault Short coil fault Grounded coil fault Grounded core fault 8. [Trade Theory] Which type of speed control of D.C series motor? Field parallel method Field diverter method Field tapping method Armature diverter method 9. [Trade Theory] Which motor has this characteristics curve? Add description here! Series motor Shunt motor Cumulative compound motor Differential compound motor 10. [Trade Theory] . Which material is used for starting resistance of DC starters? Please select your answer Eureka Nichrome Manganin Constantine 11. [Trade Theory] What is the purpose of series resistor connected with holding coil in a D.C four point starter? Please select your answer Limit the current in holding coil Increase the current in holding coil Increase the voltage in holding coil Decrease the voltage in holding coil 12. [Trade Theory] Which formula is used to calculate the speed of DC motor? 13. [Trade Theory] What is the formula for dynamically induced emf? | BLV volts BL sinθ volts BLV sinθ volts BLV cosθ volts 14. [Trade Theory] What is the name of D.C generator field? Add description here! Short shunt compound generator Long shunt compound generator Differential compound generator Cumulative compound generator 15. [Trade Theory] What is the formula to calculate back emf of a D.C motor? Eb = V / Ia Ra Volts Eb = V x Ia Ra Volts Eb = V – Ia Ra Volts Eb = V + Ia Ra Volts 16. [Trade Theory] Which formula is used to calculate the generated emf in D.C generator? 17. [Trade Theory] What is the name of D.C generator? Add description here! Differential long shunt compound Differential short shunt compound Cumulative long shunt compound Cumulative short shunt compound 18. [Trade Theory] What is the name of the part marked as ‘X’ in DC generator? Add description here! Armature core Brush Commutator raiser Commutator segment 19. [Trade Theory] What is the name of the component marked as X’ in the block diagram of AC drive? Add description here! Rectifier D.C bus Inverter A.C motor 20. [Trade Theory] What is the minimum permissible single phase working voltage, if the declared voltage is 240V as per ISI? 233 V 228 V 216 V 211 V 21. [Trade Theory] What is the advantage of non conventional power generation? More reliable More efficient Low initial cost Reduce pollution 22. [Trade Theory,Generation of electrical energy] Which one of the following fuels is used by the slow thermal nuclear reactors for power generation? U235 U20 Th232 Pu 30. 23. [Trade Theory] What is the name of conductor used on overhead lines? ACSR Aluminium Galvanised iron Hard drawn copper 24. [Trade Theory] What is ACSR stands for? All Conductors Steel Reinforced Aluminium Core Steel Reinforced Aluminium Covered Steel Reinforced Aluminium Conductor Steel Reinforced 25. [Trade Theory] Which relay hold their contacts in position after power is cutoff? Read relay Current relay Voltage relay Latching relay 26. [Trade Theory] How the rupturing capacity of circuit breaker is rated? KV KW MVA KVAR 27. [Trade Theory] What is the effect in internal resistance of a discharged cell? Increase Decrease Becomes zero Remain same 28. [Trade Theory,2018] In AC drives the speed of the AC motor is controlled by varying. Voltage and frequency Voltage and current Current and frequency Voltage and inductance 29. [Trade Theory] Why sequential control of motors is required in an industrial application? To share more loads To reduce power consumption To minimize the operating cost To increase the accuracy of operation 30. [Trade Theory] Which device controls the speed of A.C motor in A.C drive? Field supply unit (FSU) COMMS technology box Speed feedback technology box Microprocessor based electronic device 31. [Workshop Calculation & Science] What type of lubricant is used in wick feed lubrication system Lub-oil Grease Coolant Cutting oil 32. [Workshop Calculation & Science] Which lubrication system is provided with a ring oiler to splash lub-oil continuously around the parts? Gravity feed system Pressure feed system Splash feed system Force feed system 33. [Workshop Calculation & Science] Which one is the three types of lubrication system in general use? Force feed system, speed feed system, frictional feed system Velocity feed system, Speed feed system, Frictional feed system Gravity feed system, force feed system, splash feed system Splash feed system, Frictional force system, Speed feed system 34. [Workshop Calculation & Science,Centre of gravity] Value of acceleration due to gravity is- 98.1 m/sec² 98.1 ft/sec² 9.81 m/sec² 9.81 ft/sec² 35. [Workshop Calculation & Science,Centre of gravity] The centre of gravity of a circle lies on its axis on the radius at the intersection of medians at the centre 36. [Workshop Calculation & Science,Centre of gravity] The centre of gravity of a cylinder lies- at the intersection of diagonals at the intersection of the medians at a point on the centre axis at 1/4th of height from the base 37. [Workshop Calculation & Science] What is the area of the irregular surface? 1400 mm² 1450 mm² 1500 mm² 1200 mm² 38. [Workshop Calculation & Science] What is the formula for area of the segment of a circle? Area of the sector - Area of the triangle Area of the circle Area of the sector Area of the triangle - Area of the sectoR 39. [Workshop Calculation & Science] What is the ratio of ultimate load to area of original cross section? Factor of safety Yield point Ultimate stress Youngs modulus 40. [Workshop Calculation & Science] Which is the law of friction? Friction force is independent over the area and shape of contacting surfaces Frictional force is inversely proportional to the normal reaction Frictional force acts in the same direction of motion Frictional force is not a dependent on nature of contacting surface 41. [Workshop Calculation & Science] Which is useful friction? Rings in the cylinder Crank shaft bearings Wheel hub bearings Brake shoe lining 42. [Workshop Calculation & Science] How co-efficient of friction is expressed? It is expressed as the ratio of force and area It is the ratio between frictional force and normal reaction It is the ratio between normal reaction and the mass of the objec It is expressed as the ratio of weight and normal reaction 43. [Workshop Calculation & Science] What is the value of 5x⁴ / 5x³ 5x 5x² x 5x⁴/³ 44. [Workshop Calculation & Science] What is the value of (a⁵)⁷? a³⁵ a1² a²1 a²² 45. [Workshop Calculation & Science] What is the value of x if (x + 2) / 2 = 19? 38 33 35 36 46. [Employability Skills] Who all are covered under Employees State Insurance Act? Casual employees Temporary employees Contract employees All of the above 47. [Employability Skills] Operating systems have a special language called ________ . Binary Language Access Code Linux Code Reboot Code 48. [Employability Skills] ____ is a storage device which is used in mobile phones, digital cameras and MP3 player? Memory Card Hard disk ROM Optical Disc 49. [Employability Skills] ______ is the deafult extension of MS word files. .dc .dec .docx .msdoc 50. [Employability Skills] Arranging words or creating different styles of word on MSWord is called as _________. Coloring Modifying Editing Formatting 51. [Employability Skills] Which of these is a quality of an entrepreneur? Hardworking Creative Risk taker All of the Above 52. [Employability Skills] The sentence, "Please help me finish this" can be used to_________ make a request None giving opinion sharing information 53. [Employability Skills] Which of the following expressions can be used to make requests? I hope I believe Please Maybe 54. [Employability Skills] The phrase,"Could you please tell me about..." is used to... Thank someone Introduce someone Ask for information Give information 55. [Employability Skills] Team work helps to _____ Learn from peers Collaborate with other employees Be efficient at work All of the above 56. [Employability Skills] Pomodoro is the Italian word for ________ Tomato Potato Brinjal Onion 57. [Employability Skills] Change the sentence to past tense. He is writing. She is writing. He writing. He was writing We are writing 58. [Employability Skills] . Domain name int is used for Airport Govt. services International organisation None of these 59. [Employability Skills] A quick self-introduction is called ---------------.. Please select your answer elevation pitch elevator tone elevator pitch elevation tone 60. [Engineering Drawing,Employability Skills] Which word is an adjective_____ Please select your answer Beautiful Park Wave dSea 61. [Employability Skills] When we attempt to convert a Word file into a pdf, we call it Please select your answer Jpg Doc Text Data Conversion 62. [Employability Skills] Writing a leave letter is part of -------------------------- communication Please select your answer formal workplace informal workplace non-verbal workplace none 63. [Employability Skills] JPG means Please select your answer Junior Photography Group Joint Photographic Group Joint Photo Group Junior Photographic 64. [Employability Skills] There ------------- a coffee shop --------------------- the park Please select your answer are, next to is, next to is, next are, next 65. [Employability Skills] Wi-Fi stands for -------------------------------------- wireless signal Please select your answer Wireless Fidelity Wireless Finish Wireless Filament Wireless Firmament 66. [Engineering Drawing] Read the below Electrical Signs or Symbols A.C. D.C. Single Phase A.C. 50 Hz Three Phase A.C., 50 Hz 67. [Engineering Drawing] Read the below Electrical Signs or Symbols. Galvanometer Generator DC motor Alternetor 68. [Engineering Drawing] Read the below Electrical Signs or Symbols Buzzer Loudspeaker Electric Bell Microphone 69. [Engineering Drawing] Read the below Electrical Signs or Symbols. Alternator Lamp Ammeter Regulator 70. [Engineering Drawing] Read the below Electrical Signs or Symbols UJT BJT SCR FET 71. [Engineering Drawing] What is the name of given electrical component? Inductor Resistor Capacitor Transformer 72. [Engineering Drawing] ______ earthing is the best form of earthing and is very cheap in cost? Plate earthing Strip earthing ) Pipe earthing Wire earthing 73. [Engineering Drawing,electrical sign and symbols] Identify the correct BIS symbol for voltage divider with moving contact. 74. [Engineering Drawing] Identify the given diagram. Layout diagram Installation plan Circuit diagram Wiring diagram 75. [Engineering Drawing,electrical sign and symbols] Wiring for an Industrial complex has been completed. Identify the symbol for lighting circuit Main fuse - board without switches. 1 out of 75 You have submitted your answers. Now Click on "SUBMIT" button to "END YOUR EXAM" Your quiz is running out of time! few seconds are remaining. Time is Up!
