Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The speed of a DC motor can be controlled by changing

its flux

applied voltage

armature circuit resistance

All of the above

Q2. In performing the short-circuit test on a transformer

high voltage side is usually short circuited.

low voltage side is usually short circuited.

any side is usually short circuited.

none of the above.

Q3. Hopkinson’s test requires

One DC machine on which test is carried out

Two different DC machines

Two identical DC machines

Can be worked with one or two machines

Q4. In order to reduce losses, armature of DC machine is laminated?

Copper

Hysteresis

Eddy current

Frictional

Q5. The inter pole winding in DC machine is

Shunt Connected

Series Connected

Separately excited

Short circuited in Operation

Q6. Buchholz relay is

voltage sensitive device

current sensitive device

frequency sensitive device

gas actuated device

Q7. Terminal voltage of dc series generator running at rated speed and at no load is equal to

rated voltage

above rated voltage

zero

a very little voltage

Q8. If a DC series motor is opearted on AC supply, it will

spark excessively

have poor efficiency

have poor power factor

all of the above

Q9. Which of the following DC generator has the poorest regulation?

Series

Shunt

Compound

Lightly loaded

Q10. If a single phase induction motor runs at a speed lower then the rated one, the most likely defects is

Improper size fuses

Worn out bearings or low voltage or overload

Open circuit in the winding

Short circuit in the winding

Quiz

Year 2024

May
Week # 2 Quiz 3

Q1. The speed of a DC motor can be controlled by changing

Q2. In performing the short-circuit test on a transformer

Q3. Hopkinson’s test requires

Q4. In order to reduce losses, armature of DC machine is laminated?

Q5. The inter pole winding in DC machine is

Q6. Buchholz relay is

Q7. Terminal voltage of dc series generator running at rated speed and at no load is equal to

Q8. If a DC series motor is opearted on AC supply, it will

Q9. Which of the following DC generator has the poorest regulation?

Q10. If a single phase induction motor runs at a speed lower then the rated one, the most likely defects is

Quiz

Year 2024

November Week # 2 Expire on 07 Dec 2024

November Week # 3 Expire on 14 Dec 2024

November Week # 4 Expire on 21 Dec 2024

December Week # 1 Expire on 31 Dec 2024

May Week # 2 Quiz 3

Q1. The speed of a DC motor can be controlled by changing

Q2. In performing the short-circuit test on a transformer

Q3. Hopkinson’s test requires

Q4. In order to reduce losses, armature of DC machine is laminated?

Q5. The inter pole winding in DC machine is

Q6. Buchholz relay is

Q7. Terminal voltage of dc series generator running at rated speed and at no load is equal to

Q8. If a DC series motor is opearted on AC supply, it will

Q9. Which of the following DC generator has the poorest regulation?

Q10. If a single phase induction motor runs at a speed lower then the rated one, the most likely defects is

Record & Track Your Performance

May
Week # 2 Quiz 3