MCQOPTIONS
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MCQOPTIONS
This section includes 147 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which method is used for the lighting calculations? |
| A. | Watts per square meter method |
| B. | Lumen or light flux method |
| C. | Point to point method |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 52. |
What will be the utilisation factor for an indirect lighting scheme? |
| A. | 0.25 – 0.5 |
| B. | 0.5 – 0.75 |
| C. | 0.1 – 0.25 |
| D. | 0.75 – 0.99 |
| Answer» D. 0.75 – 0.99 | |
| 53. |
Which state in India does not follow IE (Indian Electricity rules)? |
| A. | Sikkim |
| B. | Jammu Kashmir |
| C. | Nagaland |
| D. | Mizoram |
| Answer» C. Nagaland | |
| 54. |
How many earth connections are required for the motor frame as per the IE rule 61? |
| A. | One |
| B. | Two separate and distinct |
| C. | Three separate and distinct |
| D. | All of these |
| E. | None of these |
| Answer» C. Three separate and distinct | |
| 55. |
What is the input current of a 2 hp single phase motor, 240 V at 70 % efficiency and 0.8 power factor? |
| A. | 6.95 A |
| B. | 10.95 A |
| C. | 13.52 A |
| D. | 17.68 A |
| Answer» C. 13.52 A | |
| 56. |
What should be the spacing between the two conductors if the working voltage is 11 kV? |
| A. | 76 mm |
| B. | 101 mm |
| C. | 190 mm |
| D. | 250 mm |
| Answer» C. 190 mm | |
| 57. |
Which section in the IE Act deals with the ‘theft of energy’? |
| A. | Section 39 |
| B. | Section 40 |
| C. | Section 43 |
| D. | Section 44 |
| Answer» B. Section 40 | |
| 58. |
Which insulating material is used for low voltage cables? |
| A. | Impregnated paper |
| B. | Rubber |
| C. | Silk and cotton |
| D. | Vulcanised Indian rubber |
| Answer» D. Vulcanised Indian rubber | |
| 59. |
What percentage is the stock incidental charge? |
| A. | 10 % |
| B. | 5 % |
| C. | 12 % |
| D. | 2 % |
| Answer» C. 12 % | |
| 60. |
Which rule deals with the supply to X- rays and high frequency installations? |
| A. | Rule 30 |
| B. | Rule 39 |
| C. | Rule 73 |
| D. | Rule 51 |
| Answer» D. Rule 51 | |
| 61. |
What does section 44 refer to? |
| A. | Penalty for interference with meters |
| B. | Penalty for illegal transmission or use of energy |
| C. | Penalty for maliciously wasting energy |
| D. | Theft of energy |
| Answer» B. Penalty for illegal transmission or use of energy | |
| 62. |
What is the maximum voltage that XLPE cables can withstand? |
| A. | 65 ° C |
| B. | 80 ° C |
| C. | 110 ° C |
| D. | 130 ° C |
| Answer» E. | |
| 63. |
What are the types of conduits available? |
| A. | PVC conduit |
| B. | Flexible conduit |
| C. | Heavy gauge steel screwed conduit |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 64. |
What is the specification of GI earth plate? |
| A. | 60 cm * 60 cm * 3 mm |
| B. | 60 cm * 60 cm * 6 mm |
| C. | 60 cm * 60 cm * 4 mm |
| D. | 60 cm * 60 cm * 5 mm |
| Answer» C. 60 cm * 60 cm * 4 mm | |
| 65. |
For what range is the underground service lines used? |
| A. | Distance more than 25 m |
| B. | Distance more than 100 m |
| C. | Distance less than 1 km |
| D. | Distance more than 1 km |
| Answer» B. Distance more than 100 m | |
| 66. |
Which IE rule is applicable to service mains? |
| A. | Rule 30 |
| B. | Rule 33 |
| C. | Rule 77 |
| D. | Both (a) & (b) |
| E. | All of these |
| Answer» F. | |
| 67. |
Which among these is a demerit of underground service mains? |
| A. | Ugly appearance |
| B. | Frequent fault occurrence |
| C. | Costly |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 68. |
What is the amount of charcoal and salt needed for GI Pipe earthing? |
| A. | Charcoal 5 kg, salt 8 kg |
| B. | Charcoal 10 kg, salt 8 kg |
| C. | Charcoal 10 kg, salt 10 kg |
| D. | Charcoal 5 kg, salt 5 kg |
| Answer» D. Charcoal 5 kg, salt 5 kg | |
| 69. |
What is the reason for excess reading of the energy meter? |
| A. | Defective wiring |
| B. | Meter defects |
| C. | Over voltage |
| D. | Both (A) & (B) |
| E. | All of these |
| Answer» E. All of these | |
| 70. |
What is / are the various types of fuse? |
| A. | Kit Kat type |
| B. | Cartridge type |
| C. | Round type |
| D. | Both (a) & (c) |
| E. | All of these |
| Answer» F. | |
| 71. |
What should be the height of the ‘Roof Pole’? |
| A. | Less than 5m |
| B. | Less than 3m |
| C. | More than 3m |
| D. | More than 10m |
| Answer» C. More than 3m | |
| 72. |
Which test(s) is / are conducted after completion of erection of 11 kV line but before energisation of lines? |
| A. | Conductor continuity tests |
| B. | Earth resistance tests |
| C. | Insulation resistance tests |
| D. | Both (a) & (c) |
| E. | All of these |
| Answer» F. | |
| 73. |
What is the multiplication factor used for the determination of maximum current carrying capacity of an 11 kV line? |
| A. | 0.88 |
| B. | 0.95 |
| C. | 0.9 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 74. |
What should be the minimum clearance for laying power cables near communication lines? |
| A. | 0.2 m horizontally and vertically |
| B. | 0.6 m horizontally and vertically |
| C. | 1 m horizontally and vertically |
| D. | 1.5 m horizontally and vertically |
| Answer» C. 1 m horizontally and vertically | |
| 75. |
If the measured insulation value is more than unity what value should be taken as the maximum working value? |
| A. | 0.75 MΩ |
| B. | One MΩ |
| C. | 0.5 MΩ |
| D. | One ohm |
| Answer» C. 0.5 MΩ | |
| 76. |
Which among these tests are to be conducted on wiring installations? |
| A. | Testing of polarity of non linked single pole switches |
| B. | Testing of earth continuity path |
| C. | Testing of earth resistance |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 77. |
What will be the maximum leakage current, if a domestic installation uses 20 points of 40 watt lamps and 5 fans of 100 watts each? Use voltage = 240 V |
| A. | 0.002 A |
| B. | 0.0011 A |
| C. | 0.003 A |
| D. | 0.005 A |
| Answer» C. 0.003 A | |
| 78. |
Which among these fuse is very fast in operation? |
| A. | Semiconductor fuses |
| B. | High rupturing capacity |
| C. | Cartridge type |
| D. | Kit Kat type |
| Answer» B. High rupturing capacity | |
| 79. |
Which rule deals with the supply to X- rays and high frequency installations? |
| A. | Rule 30 |
| B. | Rule 39 |
| C. | Rule 73 |
| D. | Rule 51 |
| Answer» D. Rule 51 | |
| 80. |
Which section in the IE Act deals with the ‘theft of energy’? |
| A. | Section 39 |
| B. | Section 40 |
| C. | Section 43 |
| D. | Section 44 |
| Answer» B. Section 40 | |
| 81. |
Which set of rules are to be verified on completion of wiring on any new installation? |
| A. | IE rules, 1950 |
| B. | IE rules, 1956 |
| C. | IE rules, 1960 |
| D. | None of these |
| Answer» C. IE rules, 1960 | |
| 82. |
Which starter is used for slip ring induction motors of high ratings? |
| A. | DOL starter |
| B. | Rotor resistance starter |
| C. | Autotransformer starter |
| D. | All of these |
| E. | None of these |
| Answer» C. Autotransformer starter | |
| 83. |
Which state in India does not follow IE (Indian Electricity rules)? |
| A. | Sikkim |
| B. | Jammu Kashmir |
| C. | Nagaland |
| D. | Mizoram |
| Answer» C. Nagaland | |
| 84. |
Which test(s) is / are conducted after completion of erection of 11 kV line but before energisation of lines? |
| A. | Conductor continuity tests |
| B. | Earth resistance tests |
| C. | Insulation resistance tests |
| D. | Both (a) & (c) |
| E. | All of these |
| Answer» F. | |
| 85. |
Which type of cable does not require bedding? |
| A. | Paper insulated lead covered cables |
| B. | PVC cables |
| C. | Both (A) and (B) |
| D. | None of these |
| Answer» C. Both (A) and (B) | |
| 86. |
Which type of earthing is also called as ‘fire earthing’? |
| A. | Plate earthing |
| B. | Rod earthing |
| C. | Strip earthing |
| D. | All of these |
| Answer» C. Strip earthing | |
| 87. |
Which type of stress is developed in a belted type cable construction used for voltage above 22 kV? |
| A. | Radial stress |
| B. | Tangential stress |
| C. | Electrostatic stress |
| D. | Both (A) and (B) |
| E. | All of these |
| Answer» E. All of these | |
| 88. |
Which method is used for the lighting calculations? |
| A. | Watts per square meter method |
| B. | Lumen or light flux method |
| C. | Point to point method |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 89. |
Which material is used for wiring continuous bus bar? |
| A. | Aluminium |
| B. | Copper |
| C. | Both (A) and (B) |
| D. | None of these |
| Answer» B. Copper | |
| 90. |
Which lamp is used in the outdoor illumination of buildings and airport runway? |
| A. | Halogen lamp |
| B. | Gaseous discharge lamp |
| C. | Sodium vapour lamp |
| D. | All of these |
| Answer» B. Gaseous discharge lamp | |
| 91. |
Which insulating material is used for low voltage cables? |
| A. | Impregnated paper |
| B. | Rubber |
| C. | Silk and cotton |
| D. | Vulcanised Indian rubber |
| Answer» D. Vulcanised Indian rubber | |
| 92. |
Which IE rule is applicable to service mains? |
| A. | Rule 30 |
| B. | Rule 33 |
| C. | Rule 77 |
| D. | Both (a) & (b) |
| E. | All of these |
| Answer» F. | |
| 93. |
Which among these tests are to be conducted on wiring installations? |
| A. | Testing of polarity of non linked single pole switches |
| B. | Testing of earth continuity path |
| C. | Testing of earth resistance |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 94. |
Which among these is the main requirement of the insulating materials? i. Non inflammable ii. High permittivity iii. High dielectric strength |
| A. | i and ii |
| B. | i and iii |
| C. | ii and iii |
| D. | i, ii and iii |
| Answer» C. ii and iii | |
| 95. |
Which among these is a type of internal wiring? |
| A. | Cleat wiring |
| B. | Conduit wiring |
| C. | CTS wiring |
| D. | Both (a) & (b) |
| E. | All of these |
| Answer» F. | |
| 96. |
Which among these is a part of distribution system? |
| A. | Feeders |
| B. | Distributors |
| C. | Service mains |
| D. | All of these |
| E. | None of these |
| Answer» E. None of these | |
| 97. |
Which among these is a demerit of underground service mains? |
| A. | Ugly appearance |
| B. | Frequent fault occurrence |
| C. | Costly |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 98. |
Which among these is a method of wiring? |
| A. | Joint box |
| B. | Tee system |
| C. | Loop in system |
| D. | Only a and c |
| E. | All of these |
| Answer» F. | |
| 99. |
Which among these fuse is very fast in operation? |
| A. | Semiconductor fuses |
| B. | High rupturing capacity |
| C. | Cartridge type |
| D. | Kit Kat type |
| Answer» B. High rupturing capacity | |
| 100. |
Which among the following mode of tendering is used by purchase department? i. Open tendering ii. Limited tender iii. Spot tendering iv. Global tendering v. Proprietary tender |
| A. | i, iii and iv |
| B. | i, ii, iii and v |
| C. | i and iv only |
| D. | i, ii, iii, iv and v |
| Answer» E. | |