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Year 2023
March
Week # 1
Expire on 31 Mar 2023
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FAQs
February
Week # 4 Quiz 3
Q1.
The dual pair of KVL is ____________.
KCL
current source
voltage
current
Q2.
A triac and SCR are compared
both are unidirectional devices
triac requires more current for turn on than SCR at a particular voltage
a triac has more time for turn off than SCR
both are available with comparable voltage and current ratings
Q3.
Power factor of a synchronous motor can be varied by varying
supply frequency
load
applied voltage
excitation
Q4.
The making to breaking current ratio for an EHV circuit breaker is
more than 1
equal to 1
less than 1
a negative number
Q5.
Which interrupt has the highest priority?.
INTR
RST 5.5
RST 4.5
TRAP
Q6.
Which of the following basic electrical parameter in AC and DC systems is generally monitored during energy audit?
Heat flow
Frequency
Noise
Temperature
Q7.
Horizontal axis windmills of modern design can
always turn towards the direction of the wind
never adjust the energy output
Never turn towards the direction of the wind
none of the above
Q8.
The 2’s complement binary representation of - 255 in 8 bit form is
1111 1110
1111 1101
1111 1100
0000 0001
Q9.
For long EHV/UHV transmission lines we normally use
Air circuit breaker
Air blast circuit breaker
Oil circuit breaker
Isolating switch
Q10.
corona loss increase with
decrease in conductor size & increase in supply frequency
increase with conductor size & supply frequency
decrease with conductor size & supply frequency
increase with conductor size & decrease with supply frequency
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