Ques.1. The NEC applies to the installation of Electrical conductors and equipment within or on public and private buildings Optical fiber cables Outside conductors and equipment on the premises All of the above Answer.4. The scope of the NEC is given in Section Section 90.2(A) says what is covered, and Section 90.2(B) lists those things that …
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100 Most Important 3-phase Induction Motor Explained MCQ Ques 1. The frame of an induction motor is usually made of Silicon steel Cast iron Aluminum Bronze Ques 2. In an induction motor, no-load the slip is generally Less than 1% 5% 2% 4% Ques 3. The shaft of an induction motor is …
1. Which one of the following loads is suitable for load commutation in a Single-phase Half-bridge inverter? A. R-L load B. R-L-C overdamped C. R-L-C underdamped D. L-load 2. R-L-C overdamped loads are generally lagging power factor loads. A. True B. False 3. A step-down chopper has an input voltage of 40 V …
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Switchgear and Protection Question & answer Ques.1. The main function of a fuse is to Protect the line Open the circuit Prevent excessive currents None of the above Ques.2. On which of the following routine tests are conducted? Oil circuit breakers Airblast circuit breakers Minimum oil circuit breakers All of the above Ques.3. SF6 gas Is …
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Electric Traction MCQ Questions and Answers | Objective Type Question of Electric Traction Ques.1. Steam Engine provided on steam locomotives is Single-acting condensing type Double-acting condensing type Double-acting non-condensing type Single-acting non-condensing type Ques.2. The overall efficiency of the steam locomotive system is close to 5 to 10% 25 to 30% 55 to 60% …
100 Most Important MCQ Of Illumination with answer & explanation | Important MCQ Question of Illumination for SSC JE (electrical) with explanation Ques.1. The radiant efficiency of the luminous source depends on The shape of the source The temperature of the source The wavelength of the light rays All of the above Ques.2. Lightwave travel …
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100 Most Important MCQ Of Measurement and Instrumentation| Objective Type Question Measurement and Instrumentation with Explanation Ques.2. An instrument in which the value of ethnical quantity to be measured can be determined from the deflection of the instrument when it has been precalibrated by comparison with an absolute instrument Absolute instrument Secondary instrument …
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100 Most Important MCQ OF Synchronous Generator or Alternator | Objective Type Question OF Alternator OR synchronous Generator with Explanation Ques.1. The salient-pole construction for the field structure of an alternator is generally used for _______ machine. 4 pole 2 Pole 6 Pole 8 Pole Ques.2. The a.c. the armature winding of an …
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Important MCQ Question Of DC Generator | Objective Type Question Of DC Generator Ques 1. The armature of DC generator is laminated to Reduce Hysteresis loss Insulate the Core Reduce eddy current loss Provide air cooling passage Ques 2. The commutator segments are connected to the armature conductor by means of Copper Lugs Insulation …
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50 Most Important Basic Electrical Objective Type Question with solution| MCQ Of Basic Electrical with explanation Ques 1. A sine wave has a frequency of 50 Hz. Its angular frequency is _______radian/second. 100 π 50 π 25 π 5 π Ques 2. The reactance offered by a capacitor to alternating current of frequency …
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