Govt Exams Mock Test FREE | Online Quiz Competition

Q1. A 10 KVA, 2500/250V single phase two winding Transformer is used as an auto transformer. Find the rated LV winding current in 10 kVA.

10 A

40 A

4 A

20 A

Q2. In order to save energy during braking, which of the following method is used?

mechanical braking

plugging

regenerative braking

dynamic braking

Q3. Stepper motor rotates at a minimum angle that is dependent on

Number of poles in the stator alone

Number of poles in the stator and the teeth in the Rotor

Depends on the magnitude of the supply voltage

Depends on the frequency of the supply voltage

Q4. The residual magnetic field of DC shunt generator is destroyed accidently. It can be restored

by connecting the shunt field winding to earth

by connecting the shunt field winding to DC source

by reversing the terminals of the DC

by making the shunt field winding open circuited

Q5. The rating of transformer may be expressed in ____________.

kVAR

kW

kVA

Horse power

Q6. In a D.C. generator the critical resistance refers to the resistance of

brushes

field

armature

load

Q7. Breakaway torque in Sychronous motor is equal to

Staring Torque

Pull In torque

Running torque

Pull Out torque

Q8. Full load voltage regulation of a power transformer is zero when the power factor of the load is near

Unity and leading

Zero and leading

Zero and lagging

Unity and lagging

Q9. The motor used in household refrigerators is_______________.

DC Series motor

Single phase Induction motor

Universal motor

DC Shunt motor

Q10. While plugging d.c. motors ............. connections are reversed.

supply

armature

field

both armature and field

Quiz

Year 2024

February
Week # 2 Quiz 3

Q1. A 10 KVA, 2500/250V single phase two winding Transformer is used as an auto transformer. Find the rated LV winding current in 10 kVA.

Q2. In order to save energy during braking, which of the following method is used?

Q3. Stepper motor rotates at a minimum angle that is dependent on

Q4. The residual magnetic field of DC shunt generator is destroyed accidently. It can be restored

Q5. The rating of transformer may be expressed in ____________.

Q6. In a D.C. generator the critical resistance refers to the resistance of

Q7. Breakaway torque in Sychronous motor is equal to

Q8. Full load voltage regulation of a power transformer is zero when the power factor of the load is near

Q9. The motor used in household refrigerators is_______________.

Q10. While plugging d.c. motors ............. connections are reversed.

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

February Week # 2 Quiz 3

Q1. A 10 KVA, 2500/250V single phase two winding Transformer is used as an auto transformer. Find the rated LV winding current in 10 kVA.

Q2. In order to save energy during braking, which of the following method is used?

Q3. Stepper motor rotates at a minimum angle that is dependent on

Q4. The residual magnetic field of DC shunt generator is destroyed accidently. It can be restored

Q5. The rating of transformer may be expressed in ____________.

Q6. In a D.C. generator the critical resistance refers to the resistance of

Q7. Breakaway torque in Sychronous motor is equal to

Q8. Full load voltage regulation of a power transformer is zero when the power factor of the load is near

Q9. The motor used in household refrigerators is_______________.

Q10. While plugging d.c. motors ............. connections are reversed.

Record & Track Your Performance

February
Week # 2 Quiz 3