Govt Exams Mock Test FREE | Online Quiz Competition

Q1. A hybrid VR stepping motor has 8 main poles, which have been castellated to have 5 teeth each. If the rotor has 50 teeth, calculate the stepping angle.

\(1.8^\circ\)

\(3.6^\circ\)

\(9^\circ\)

\(90^\circ\)

Q2. The no-load current drawn by a transformer is usually what percentage of the full load current

0.2 to 0.5 percent

2 to 5 percent

12 to 15 percent

20 to 30 percent

Q3. The electric braking system commonly employed in rolling mills, elevators and printing presses is

Plugging

Rheostat

Dynamic

Regenerative

Q4. Which winding in transformer has more number of turns?

low voltage winding

high voltage winding

primary winding

Secondary winding

Q5. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

second

third

seventh

fifth

Q6. Power input to a transformer at no load and rated voltage consists of_______________.

Hysteresis loss

Core loss

Eddy current loss

Copper loss

Q7. Increasing load on a normally-excited synchronous motor, the power factor

remain unchanged

becomes increasing leading

becomes increasing lagging

none of the above.

Q8. In the Rheostatic method of speed control for a DC shunt motor, use of armature diverter makes the method:

unsuitable for changing loads

less wasteful

less expensive

suitable for rapidly changing loads

Q9. Which of the following machine is best suited for constant speed application.

DC series motor

3-φ induction motor

Synchronous motor

1-φ induction motor

Q10. A transformer is supplying pure resistive load. The power factor on supply side will be about

0.9 lead

0.9 lag

zero

unity

Quiz

Year 2025

November
Week # 2 Quiz 3

Q1. A hybrid VR stepping motor has 8 main poles, which have been castellated to have 5 teeth each. If the rotor has 50 teeth, calculate the stepping angle.

Q2. The no-load current drawn by a transformer is usually what percentage of the full load current

Q3. The electric braking system commonly employed in rolling mills, elevators and printing presses is

Q4. Which winding in transformer has more number of turns?

Q5. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

Q6. Power input to a transformer at no load and rated voltage consists of_______________.

Q7. Increasing load on a normally-excited synchronous motor, the power factor

Q8. In the Rheostatic method of speed control for a DC shunt motor, use of armature diverter makes the method:

Q9. Which of the following machine is best suited for constant speed application.

Q10. A transformer is supplying pure resistive load. The power factor on supply side will be about

Quiz

Year 2025

December Week # 3 Expire on 14 Jan 2025

December Week # 4 Expire on 21 Jan 2025

January Week # 1 Expire on 31 Jan 2025

January Week # 2 Expire on 07 Feb 2025

November Week # 2 Quiz 3

Q1. A hybrid VR stepping motor has 8 main poles, which have been castellated to have 5 teeth each. If the rotor has 50 teeth, calculate the stepping angle.

Q2. The no-load current drawn by a transformer is usually what percentage of the full load current

Q3. The electric braking system commonly employed in rolling mills, elevators and printing presses is

Q4. Which winding in transformer has more number of turns?

Q5. The magnetizing inrush current in a transformer is rich in the........... harmonic component.

Q6. Power input to a transformer at no load and rated voltage consists of_______________.

Q7. Increasing load on a normally-excited synchronous motor, the power factor

Q8. In the Rheostatic method of speed control for a DC shunt motor, use of armature diverter makes the method:

Q9. Which of the following machine is best suited for constant speed application.

Q10. A transformer is supplying pure resistive load. The power factor on supply side will be about

Record & Track Your Performance

November
Week # 2 Quiz 3