Q.1
Which of the following motor can be referred as a universal motor?
  • a) Permanent magnet motor
  • b) DC shunt motor
  • c) DC series motor
  • d) DC compound motor
Q.2
What is an electric drive?
  • a) A machine that converts electrical energy into kinetic energy
  • b) A machine that converts mechanical energy into electrical energy
  • c) A machine that converts electrical energy into mechanical energy
  • d) A machine that converts kinetic energy into electrical energy
Q.3
Which of the following is used to build a electric drive?
  • a) Source
  • b) Motor
  • c) Control unit
  • d) All of the mentioned
Q.4
Which of the following is/are components of an electric drive?
  • a) Control unit and Power Modulator
  • b) Electric Motor and Control System
  • c) Input Command
  • d) Sensing Device and Electric Motor
Q.5
Which of the following is a function of electric drive?
  • a) Transport energy from the storage system to the wheels
  • b) Transport energy from the control system to the wheels
  • c) Transport fuel from the electric motor to the wheels
  • d) Transport fuel from the storage system to the wheels
Q.6
What are electric drives?
  • a) Engines of 2-wheelers
  • b) Laptops
  • c) Robotics
  • d) Both a & c
Q.7
Which of the following exhibits linearly rising load torque characteristics?
  • a) Rolling Mills
  • b) Fan load
  • c) Separately excited dc generator connected to the resistive load
  • d) Elevators
Q.8
Type-A chopper is used for obtaining which type of mode?
  • a) Reverse motoring mode
  • b) Motoring mode
  • c) Reverse regenerative braking mode
  • d) Regenerative braking mode
Q.9
Which of the following converter circuit operations will be unstable for a large duty cycle ratio?
  • a) Boost converter
  • b) Boost converter and Buck-Boost converter
  • c) Buck converter
  • d) Buck-Boost converter
Q.10
Which of the following devices should be used as a switch for high power and high voltage application?
  • a) TRIAC
  • b) Thyristor
  • c) GTO
  • d) MOSFET
Q.11
What is the unit of the apparent or complex power?
  • a) VA
  • b) ohm
  • c) Volt
  • d) VAR
Q.12
Which of the following device is NOT suitable for parallel operation?
  • a) BJT
  • b) MOSFET
  • c) TRIAC
  • d) IGBT
Q.13
The frame of an induction motor is made of _________
  • a) Silicon steel
  • b) Aluminum
  • c) Stainless steel
  • d) Cast iron
Q.14
Which of the following are used in preventing the hunting phenomenon in synchronous generators?
  • a) Distributed winding
  • b) Damper bars and short pitch chords
  • c) Short pitch chords
  • d) Damper bars
Q.15
Which of the following core has linear characteristics?
  • a) CRGO core
  • b) Iron core
  • c) Air core
  • d) Steel core
Q.16
Which one of the following methods would give a lower than the actual value of regulation of the alternator?
  • a) EMF method
  • b) ASA method
  • c) ZPF method
  • d) MMF method
Q.17
The most suitable control-motor application is __________
  • a) AC one-phase induction motor
  • b) DC shunt motor
  • c) AC shunt motor
  • d) DC separately motor
Q.18
What is the unit of the distance?
  • a) atm/m
  • b) Volt
  • c) m
  • d) m/s
Q.19
In the rotor voltage injection method, when an external voltage source is in phase with the main voltage then speed will ___________
  • a) Decrease
  • b) First increases then decrease
  • c) Increase
  • d) Remain unchanged
Q.20
Which of the following is the unit of displacement?
  • a) m/s
  • b) m
  • c) atm/m
  • d) Volt
0 h : 0 m : 1 s