My Report

Electrical Machines Mock Test 3


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. The critical resistance refers to __________

Question 1 of 10

Question 2 of 10

2. The PWM control of DC motor varies _________

Question 2 of 10

Question 3 of 10

3. The external characteristic for the dc series generator is?

Question 3 of 10

Question 4 of 10

4. The armature reaction is produced mainly by __________

Question 4 of 10

Question 5 of 10

5. DC Motor torque depends on ________

Question 5 of 10

Question 6 of 10

6. If the students give a forward shift of 10° to the dc generator, then it _________

Question 6 of 10

Question 7 of 10

7. If the magnetic circuit of the dc machine is in the saturation region, the armature reaction __________

Question 7 of 10

Question 8 of 10

8. At a very low speed, increase in field resistance will _________

Question 8 of 10

Question 9 of 10

9. It is advised not to run dc series motor with no load. Why?

Question 9 of 10

Question 10 of 10

10. It is impossible to start a differential compounded dc motor.

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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