## ELECTRICAL MACHINE MCQ_53(DC GENERATOR_07)

Q.91 The magnetic field strength is defined as__     A. MMF per unit length of the magnetic flux path     B. MMF per unit length of the conductor     C. Emf per unit length of conductor     D. none of Read More …

## ELECTRICAL MACHINE MCQ_06_6(DC GENERATOR)

Q.76 Pitch factor is given by     A. kp= sin β/2     B. kp= cos β/2     C. kp= sin α/2     D. kp= cos α/2 Ans.: D Q.77 If the coil is short by an angle α, then their Read More …

## ELECTRICAL MACHINE_05_5(DC GENERATOR)

Q.61 What are the advantages of using short pitched coil?     A. Amount of copper used in the winding is reduced     B. Distorting harmonics can be reduced     C. Due to reduction of high frequency harmonics, eddy current and Read More …

## ELECTRICAL MACHINE_04_4(DC GENERATOR)

Q.46 The distance between the two sides of a coil is called__     A. coil pitch     B. coil span     C. coil side     D. Both A and B Ans.: D Q.47 A conductor in one slot, when connected Read More …

## ELECTRICAL MACHINE_03_3(DC GENERATOR)

Q.31 Which of the following is change during the movement of the rotor?     A. current     B. flux     C. Both A and B     D. magnetic field Ans.: C Q.32 The instantaneous value of energy stored in the Read More …

## ELECTRICAL MACHINE_02_2(DC GENERATOR)

Q.16 An electromechanical energy conversion device is one which     A. converts mechanical energy into electrical energy     B. converts electrical energy into mechanical energy     C. solar energy into electrical energy     D. Both A and B Ans.: D Read More …

## ELECTRICAL MACHINE_01_1(DC GENERATOR)

Q.01 The total quantity of energy in the universe ____     A. can be changed     B. remains unchanged     C. it varies according to requirement     D. is available as per requirement Ans.: B Q.02  “Energy can neither be Read More …