Electrician 2nd Year Modal Paper-1 PDF

Electrician 2nd Year Modal Paper-1 Trade theory 1. Why are the A.C drives better suited for high speed operation? ✓ No brushes and commutation 2. Which circuit is essential to maintain oscillations or waves in an oscillator circuit? ✓ Positive feedback 3. Which feedback network...

Electrician 2nd Year Modal Paper-1 Trade theory 1. Why are the A.C drives better suited for high speed operation? ✓ No brushes and commutation 2. Which circuit is essential to maintain oscillations or waves in an oscillator circuit? ✓ Positive feedback 3. Which feedback network is used for automatic voltage stabilizer? ✓ voltage divider network 4. Which instrument is used to measure insulation resistance of a 3 phase induction motor? ✓ Megger 5. Which speed control method is used in food mixture motors? ✓ Series field tapping method 6. Which device protects from overload and short circuit in a panel board? ✓ Miniature circuit breaker 7. Which device is avoided in the panel board assembly? ✓ Sensors 8. Which instrument is used to test armature winding for short and open circuits? ✓ External Growler 9. which type of instrument is used to test the armature winding? ✓ Growler 10. Which material is used in solar cell? ✓ Silicon 11. What is the formula to calculate the current taken by D.C shunt motor armature? ✓ La=V-Eb/Ra 12. Which supply is indicated by the color of conductor exhibited on Red, Blue and Black? ✓ Supply DC 3 wire system 13. Which is the application of automatic stepped voltage stabilizer? ✓ Television 14. Which type of machine in industries is provided with multi motor electric drive? ✓ Rolling machine 15. Which instrument is used to check short circuit faults in electronic circuits in voltage stabilizer? ✓ Multimeter 16. Which type of winding wire is used for rewinding submersible pumps? ✓ PVC covered copper wire 17. Why are the A.C drives mostly used in process plants? ✓ Maintenance free long life 18. Which filter circuit is capable of removing voltage spikes in the rectifier circuit? ✓ LC filter 19. What is the purpose of LCD on the basic operator panel in D.C drive? ✓ Monitor the parameter 20. What is IGBT in VF drive? ✓ D.C bus switching device 21. Which is the conventional power generation? ✓ Thermal power generation 22. Which doping material is used to make P-type semiconductor? ✓ Boron 23. What does ACSR stand for? 1  Electrician 2nd Year Modal Paper-1 ✓ Aluminum Conductor Steel Reinforced 24. Which rule determines the direction of current in DC motor? ✓ Fleming's right hand rule 25. Which rule is used to find the direction of the magnetic field? ✓ Fleming's right hand rule 26. Which term refers to the mass of a substance liberated from an electrolyte by one coulomb of electricity? ✓ Electro chemical equivalent 27. which control system is used for Eddy current drives? ✓ Slip controller 28. What is the purpose of damper winding in a synchronous motor at starting? ✓ Produce a high magnetic field to maintain a constant speed 29. How synchronous motor works as a power factor corrector? ✓ varying the field excitation 30. which electronic circuit generates A.C signal without input? ✓ Oscillator circuit 31. What is the function of inverter? ✓ Convert D.C to A.C 32. which application requires only DC? ✓ Electroplating 33. Calculate the pitch factor (Kp) for a winding having 36 stator slots 4 pole with angle (a) is 30°in alternator. ✓ 0.965 34. Calculate the slot distance for a ceiling fan having 28 slots, 14 poles, 14 coils in half coil connection? ✓ 90° 35. What is the synchronous speed of aA.C3 phase induction motor having 6 poles at a frequency of 50 Hertz? ✓ 1000 rpm 36. What is the supply frequency of an alternator having 6 poles runs at 1000 rpm? ✓ 50Hz 37. What is the speed of an alternator connected with a supply frequency of 50 Hz at rated voltage having 4 poles? ✓ 1500rpm 38. What is the formula to calculate pitch factor? ✓ PitchFactor = Winding pitch/Pole pitch 39. Which type of D.C motor is used for constant speed drives? ✓ DC series motor 40. How many parallel paths in duplex lap winding in the armature of 4 pole D.C Motor? ✓ 2 41. How many parallel paths in duplex lap winding of a 4 pole DC generator? ✓ 8 42. What is the formula to calculate back EMF in a DC motor? ✓ Eb =φZNP/60 A 43. Which is the permissible load for lighting subcircuit in domestic wiring as per IE rules? ✓ 800 W 2  Electrician 2nd Year Modal Paper-1 44. What is the purpose of a resistor connected with a holding coil in a 4 point starter? ✓ Limit current in NVC 45. Which is the most effective method of balancing armature? ✓ Dynamic balancing 46. Which quantity can be measured by CRO? ✓ Frequency 47. CRO Full from ✓ C 48. Which frequency converter? ✓ Cyclo converters Workshop Science and Calculation 49. What is the expanded form of S.P? ✓ Selling Price 50. Which is used to reduce the friction in machine parts? ✓ Lubricants 51. How is the profit / gain expressed? ✓ % 52. What is the formula for (a-b)² ✓ a²-2ab+b² 53. What is the value of 625° ✓ 1 Engineering Drawing 54. Which part regulates the heat in automatic iron? ✓ Thermostatic switch 55. What is the material of a line insulator? ✓ Porcelain clay Emplobiality Skill 56. As technology advances, the way we work shall...... ✓ Undergo changes 57. What is essentially required to receive communication by Email in addition to a computer and internet connection? ✓ Email account 58. What is required for your career growth and sustainability? ✓ Build new skills 59. Believing that you have the capability to achieve your dreams is called.... ✓ Self belief 60. Miscommunication can lead to.... ✓ Create misunderstanding 61. Find the odd one relating to input/output devices. ✓ Keyboard 62. What helps us to maintain the balance between mental and physical activities? ✓ Hobbies 63. What reminds the presenter of some important items to discuss during the presentation? ✓ speaker's Note 3  Electrician 2nd Year Modal Paper-1 64. Who will be the Presiding Officer of the ICC in an organization? ✓ Senior level Female employee 65. One important rule to network effectively is..... ✓ keep in touch with your contacts 66. What refers to doing business without negatively impacting the environment, community or society as a whole? ✓ Sustainability 67. When we speak to people in our workplace, we need to...... ✓ show respect in our words 68. We use emojis when ________ ✓ words are not enough to express our feelings 69. Computer program that allows you to create slides for presentation is known as ________ ✓ MS Power Point 70. What has drastically changed the world of work? ✓ Technology 71. Gestures, facial expressions, eye contact are examples of.... ✓ non-verbal communication 72. What is the basic requirement for IT related work? ✓ Computer 73. What is the full form of 'KISS' in a PowerPoint presentation? ✓ Keep Information short and simple 74. What is required for effective communication? ✓ Listen and talk carefully 75. Complete the sentence with suitable describing words. The area is ______as the houses in it cost a lot of money. ✓ Expensive 76. A merchant bought a product for Rs. 1600/- he added 11% profit and sold it. How much does the merchant gain? ✓ 176 77. Rainwater harvesting ________ to prevent water scarcity ✓ Helps 78. In face to face communication, 'words' account for...... ✓ 7% 79. Complete these sentences with suitable describing words The roads in my town are in ________ condition. ✓ Good 80. If you want to give people relevant information about you and your business in an easy way, you will.... ✓ give them your business card 4