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Year 2023
November
Week # 3
Expire on 14 Dec 2023
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Week # 4
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FAQs
March
Week # 2 Quiz 5
Q1.
For a 15-bus power system with 3 voltage controlled bus, the size of Jacobian matrix is
11 X 11
12 X 12
24 X 24
25 X 25
Q2.
The characteristic equation of a feedback control is \(2s^4 + s^3 + 3s^2 + 5s + 10 = 0\). The no. of roots in the right half of the s-plane is
2
3
4
0
Q3.
Which switch used for the stair case wiring?
ICTP
ICDP
Two way switch
One way switch
Q4.
Number of insulator disc, each rated 11KV, required in a suspension type insulator string of 66KV line is _____ .
6
More than 6
12
Less than 6
Q5.
In a shaded-pole single phase motor, the revolving field is produced by the use of
Inductor
Capacitor
Shading coils
Combination of resistors
Q6.
Air gap in the iron core prevents
Eddy current loss
Core separation
Hysteresis
Induction effect
Q7.
The transient current in a series RLC circuit is oscillatory when__________.
\(R=2\sqrt \frac{L}{C}\)
\(R<2\sqrt \frac{L}{C}\)
\(R>2\sqrt \frac{L}{C}\)
\(R=0\)
Q8.
Solder is an alloy of
Copper, tin and zinc
Aluminum and copper
Copper and lead
Lead and tin
Q9.
An ammeter has a current range of 0-5 A and its internal resistance is 0.2 Ohm. In order to change the range to 0-25 A. we need to add a resistance of
0.8 ohm in series with the metre
1 ohm in series with the metre
0.04 Ohm in parallel with the metre
0.05 ohm in parallel with the meter
Q10.
In a three-phase controlled rectifier, with an increase of overlap angle the output D.C. voltage will
Increase
Decrease
Does not change
Depends upon load
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