WebThree Phase Induction Motors MCQs with Explanatory Answers 1. If the frequency of 3-phase supply to the stator of 3-phase induction motor is increased, then synchronous speed is ________? Increased Decreased Remain unchanged None of the above Show Explanatory Answer Copy URL Electrical Technology WebJan 20, 2024 · Electrical Engineering MCQ [ hide] 1 Starters are used in induction motor 2 The slip of induction motor at no load is 3 If induction motor turns at synchronous speed, the induced voltage is 4 The … colliding blocks compute pi simulation WebJul 22, 2024 · Quiz On Three Phase Induction Motor 01. The silicon steel is fabricated by which of the following components? (a) Bearings (b) Shaft (c) Stator core (d) None of the above Ans: c 02. In the induction motor, … WebAug 23, 2024 · A 3-phase induction motor stator delta connected, is carrying full load and one of its fuses blows out. Then the motor. (a) will continue running burning its one phase. (b) will continue running burning its two phases. (c) will stop and carry heavy current causing permanent damage to its winding. collide youtube lyrics WebSingle-Phase Induction Motors Multiple Choice Questions. The below list provides all the multiple-choice questions related to the electrical induction motors. Answers are available at the bottom of the article. 1. The direction of rotation of a shaded pole motor is determined by. A) retentivity of the rotor material. WebThree Phase Induction Motors MCQs with Explanatory Answers 1. If the frequency of 3-phase supply to the stator of 3-phase induction motor is increased, then synchronous … driest desert in north america Web7. A 3-phase induction motor is driving a constant torque load at rated voltage and frequency. If both voltage and frequency are halved, following statements relate to new condition if stator resistance, leakage reactance and core loss are ignored. P. The difference between synchronous . speed and actual speed remains the same. Q.

WebOct 19, 2024 · Answer: b. 14. In a 3-phase slip ring induction motor, the rotor winding terminals are brought out through slip rings to. a) Connect extra resistance across them during starting. b) Connect them either in … WebIn a three phase AC circuit, power is measured using a Wattmeter. True False Show Explanatory Answer Q20. For a polyphase system, the number of Wattmeter required to measure power is equal to —— Number of wires One less than number of wires Number of phases None of the above Show Explanatory Answer Q21. driest month in alabama WebLet I be the rotor current per phase at standstill X = Rotor reactance per phase at standstill R = Rotor resistance per phase at standstill E = Rotor induced E.M.F per phase on standstill condition Show Explanation Show Explanation Ques 72. A three-phase, four-pole, 50 Hz induction motor rotates at a full-load speed of 1470 rpm. The EMF measured between … driest month iceland WebThe function of the motor drive is to draw electrical energy from the electrical source and supply electrical energy to the motor, such that the desired mechanical output is … Web1. Power input to an induction motor is given by _________. Clarification: Power input to a 3-Φ induction motor is 3VpIpcosΦ. The power remains the same for Delta and star connection. The power is constant and has no vibrations. 2. For motoring mode, the phase angle between the stator phase voltage and stator phase current should be ... driest least sweet white wine WebQuestion and answers in 3 Phase Induction Motors, 3 Phase Induction Motors multiple choice questions and answers, 3 Phase Induction Motors Important MCQs, Solved …

WebMay 7, 2024 · 100 Most Important 3-phase Induction Motor Explained MCQ Ques 1. The frame of an induction motor is usually made of … colliding drops as coalescing and fragmenting liquid springs WebJan 9, 2024 · Induction Motor Torque Speed Characteristics Question 4: For a 3-phase slip ring induction motor, the maximum torque is 2.5 times the full load torque and the starting torque is 1.5 times the full load torque. The percentage reduction in rotor circuit resistance to get a full load slip of 3% is _____ Neglect stator impedance. colliding synonym