My Report

Electrical Machines Mock Test 5


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. An ________ synchronous machine delivers reactive power whereas an ________ one absorbs reactive power.

Question 1 of 10

Question 2 of 10

2. At zpf lag, the excitation should be increased in order to maintain the armature terminal voltage constant.

Question 2 of 10

Question 3 of 10

3. While finding the parameters for an alternator, its voltage regulation is found to be negative. Then the load connected to it must be __________

Question 3 of 10

Question 4 of 10

4. We can increase the torque of a reluctance synchronous motor if we __________

Question 4 of 10

Question 5 of 10

5. When terminal voltage exceeds the excitation, then operating power factor is?

Question 5 of 10

Question 6 of 10

6. When the excitation voltage is increased from 1 to 1.3 pu of a 3-phase synchronous motor. Then load angle for the constant power operation __________

Question 6 of 10

Question 7 of 10

7. Under the conditions of maximum reactive power output, the reactive power flowing out of an alternator is __________

Question 7 of 10

Question 8 of 10

8. Emf method is also known as ___________

Question 8 of 10

Question 9 of 10

9. The operating frequency and voltage of an isolated alternator ________ if the prime mover input to motor is increased.

Question 9 of 10

Question 10 of 10

10. The reactive power flow is outward from an alternator, then it is ____________

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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