Govt Exams Mock Test FREE | Online Quiz Competition

Q1. For satisfactory performance of a 3 – phase 480 V, 60 Hz induction motor the supply voltage at 50 Hz should be equal to

480 V

400 V

420 V

350 V

Q2. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

second

third

seventh

fifth

Q3. DC shunt generators are most suitable for parallel operation due to

identical voltage characteristic

drooping voltage characteristic

rising voltage characteristic

linear voltage characteristic

Q4. Maximum torque of the induction motor depends on

Frequency

Inductive reactance

Square of supply voltage

All of the above

Q5. The motor commonly used in computers and digital systems is

DC shunt motor

induction motor

synchronous motor

reluctance motor

Q6. Which type of machine produced the static induced emf?

DC generator

Alternator

AC generator

Transformer

Q7. At No load condition of transformer , Iron losses are

Equal to copper losses

More than copper losses

Less than Copper losses

none of above

Q8. The graph represents three-phase synchonous motor,and it is plot between which of the following?

Armature current and armature resistance

Armature current and field current

Armature current and power factor

Field current and power factor

Q9. In order to reduce losses, armature of DC machine is laminated?

Copper

Hysteresis

Eddy current

Frictional

Q10. In all rotating electrical machines, electrical torque is developed when relative speed between stator field and rotor field is

equal to rotor speed

equal and opposite to rotor speed

dependent upon the type of electrical machine

zero

Quiz

Year 2024

September
Week # 2 Quiz 3

Q1. For satisfactory performance of a 3 – phase 480 V, 60 Hz induction motor the supply voltage at 50 Hz should be equal to

Q2. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

Q3. DC shunt generators are most suitable for parallel operation due to

Q4. Maximum torque of the induction motor depends on

Q5. The motor commonly used in computers and digital systems is

Q6. Which type of machine produced the static induced emf?

Q7. At No load condition of transformer , Iron losses are

Q8. The graph represents three-phase synchonous motor,and it is plot between which of the following?

Q9. In order to reduce losses, armature of DC machine is laminated?

Q10. In all rotating electrical machines, electrical torque is developed when relative speed between stator field and rotor field is

Quiz

Year 2024

August Week # 4 Expire on 21 Sep 2024

September Week # 1 Expire on 30 Sep 2024

September Week # 2 Expire on 07 Oct 2024

September Week # 3 Expire on 14 Oct 2024

September Week # 2 Quiz 3

Q1. For satisfactory performance of a 3 – phase 480 V, 60 Hz induction motor the supply voltage at 50 Hz should be equal to

Q2. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

Q3. DC shunt generators are most suitable for parallel operation due to

Q4. Maximum torque of the induction motor depends on

Q5. The motor commonly used in computers and digital systems is

Q6. Which type of machine produced the static induced emf?

Q7. At No load condition of transformer , Iron losses are

Q8. The graph represents three-phase synchonous motor,and it is plot between which of the following?

Q9. In order to reduce losses, armature of DC machine is laminated?

Q10. In all rotating electrical machines, electrical torque is developed when relative speed between stator field and rotor field is

Record & Track Your Performance

September
Week # 2 Quiz 3