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 flux distortion caused by cross magnetizing armature reaction is more pronounced in a __________

Question 1 of 10

Question 2 of 10

2. The armature resistance speed control is best illustrated by which of the following?

Question 2 of 10

Question 3 of 10

3. Choose the best option which identifies about the below characteristics.
electrical-machines-questions-answers-operating-characteristics-dc-motor-q7

Question 3 of 10

Question 4 of 10

4. The correct positioning of the windings in the below diagrams is?

Question 4 of 10

Question 5 of 10

5. The conductor EMF and current are in _____ direction and developed torque is in _____ for generating mode.

Question 5 of 10

Question 6 of 10

6. The torque limit of speed for a shunt motor _________

Question 6 of 10

Question 7 of 10

7. The brushes should be shifted in _______ direction in generator for the satisfactory operation of commutation.

Question 7 of 10

Question 8 of 10

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

Question 8 of 10

Question 9 of 10

9. The effect of fringing increases as we _________

Question 9 of 10

Question 10 of 10

10. A student forgot to mark the x-y axes in his experiments but he just noted down the cause and the effect for each. How will he conclude about the armature characteristic out of the all plotted graphs?

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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