Computer Programming MCQs — Test 38
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Question 1
A rectifier with an external low pass filter is an example of______________?
Question 2
What is the advantage of HRC fuses over Rewirable fuses?
Question 3
The power demand can be estimated approximately by___________?
Question 4
Unipolar modulation is generally used in____________?
Question 5
Dynamic equalizing circuit is used for________________?
Question 6
A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. value of n will be___________?
Question 7
60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is______________________?
Question 8
Maximum di / dt in a SCR is________?
Question 9
A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be_____________?
Question 10
For series connected SCR’s dynamic equalising circuit consists of___________?