Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2

Q.33 Because of their high efficiency and high speed, synchronous motors are well suited for________.Ans 1. ceiling fans2. electric tractions3. blowers4. mixer grindersCorrect Ans Provided: 3

Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2

Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2

Q.41 A resistor of resistance R Ω is connected in series with a coil having an inductance of L henry. If XL is the value of inductive reactance, what is the value of net impedance of the circuit?

Q.40 Which of the following lamps is used for the determination of polarity of DC mains?Ans 1. Neon discharge lamp2. Sodium vapour lamp3. Mercury vapour lamp4. Carbon arc lampCorrect Ans Provided: 1

Q.32 Power factor of an IM is low at ________.Ans 1. half load2. quarter load3. no load4. full loadCorrect Ans Provided: 3

Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2

Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2

Q.46 When two or more sinusoidal waves are precisely in step with one another, they are said to be:Ans 1. 60 degrees lagging2. in phase3. 60 degrees leading4. out of phaseCorrect Ans Provided: 2