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UPPSC AE Technical Quiz 2

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Question 1

If a distance relay fails to operate for a fault which is within its zone then the condition is called

Question 2

Which one of the following pulse communications systems is digital?

Question 3

Which of the following statements are true for current sources inverter (CSI)?

1) It requires feedback diodes.

2) IGBT is generally not preferred in CSI.

3) The amplitude of output current is independent of load.

Question 4

Why is a centrifugal switch used in a single-phase induction motor?

Question 5

Boolean expression , its maxterm form is

Question 6

A buck converter having source voltage of 24 V is operating in discontinuous mode. The voltage waveform across the inductor is shown in figure. The output voltage is:

Question 7

What is the purpose of given code with respect to 8085 microprocessor?



Question 8

A 3- ϕ induction motor is supplied by 220 V. The maximum torque at 220 V supply is 50 Nm. If the voltage becomes 440 V, then the maximum torque will be:

Question 9

A relay is connected to a 400/5 current transformer and set for 120 %. The primary fault current is 1800 A need a plug setting multiplier of

Question 10

Decade counter is also known as
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