My Report

Electric Drives Mock Test 4


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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Question 1 of 10

1. Calculate mark to space ratio if the system is on for 4.3 sec and off for 78.2 sec.

Question 1 of 10

Question 2 of 10

2. If induction motor air gap power is 2 KW and mechanically developed power is 1 KW, then rotor ohmic loss will be _________ KW.

Question 2 of 10

Question 3 of 10

3. Calculate the time period of the waveform i(t)=sin(πt+6π÷4)+sin(πt+5π÷6).

Question 3 of 10

Question 4 of 10

4. Calculate the equivalent resistance when three resistances are connected in series of values 8 Ω, 3 Ω, 1 Ω.

Question 4 of 10

Question 5 of 10

5. If induction motor rotor power is 157.5 KW and gross developed power is 79.9 KW, then rotor ohmic loss will be _________ KW.

Question 5 of 10

Question 6 of 10

6. A higher value of armature reaction means the lower value of the short circuit ratio.

Question 6 of 10

Question 7 of 10

7. Calculate the total heat dissipated in a resistor of 44 Ω when 0 A current flows through it.

Question 7 of 10

Question 8 of 10

8. Calculate the value of the time period if the frequency of the signal is 58 sec.

Question 8 of 10

Question 9 of 10

9. When 5 A current flows into the positive terminal of voltage source 6 V. Calculate the power delivered by the source.

Question 9 of 10

Question 10 of 10

10. The value of slip at the starting of an induction motor 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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