Year 2024

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