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UPPSC AE Paper-1 Quiz-16
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Question 1
If the input to the circuit of figure is a sine wave. The output will be:
Question 2
A simple equivalent circuit of the two-terminal network shown in the figure is:
Question 3
A solenoid having cross-sectional area of 25 cm2. If solenoid has 80 primary turn/cm & 160 secondary turns over the circumference. Calculate the mutual inductance for the solenoid.
Question 4
Which of the following are advantages of using bundled conductors?
(i) Reduced Reactance
(ii) Reduced Voltage gradient
(iii) Reduced surge impedance
Question 5
In a four-unit insulator string, voltage across the lowest unit is 20kV and string efficiency is 85%.
The transmission lines voltage, will be:
Question 6
Which relay is used for the protection of electrical machines against overheating?
Question 7
The results of a slip test for determining direct axis (Xd) and quadrature axis
(Xs) reactance of a star connected salient pole are given below.
Phase value:
Vmax = 150V Imax =12 A
Vmin = 90V Imin =9 A
Hence the value of both reactance will be:
Question 8
For a single phase 440/110 V transformer having input on primary side at no load is 100 W. The low voltage winding is kept open & the no load power factor is 0.4. Determine the active & reactive component of current at no load condition?
Question 9
A single-phase energy meter which is designed to make 120 revolution for one unit of energy. What will be the number of revolution when a load connected to the energy meter which carrying a current of 30 A at 220 V supply at a power factor of 0.8 lagging when the meter is running for 2 hour?
Question 10
In an A.C. bridge which is shown in figure below, if Z1 = 100 Ω, Z2 = (200 + j150) Ω & Z3 = (300 + j120) Ω, then find the unknown impedance Z4 if the bridge is in balanced condition.
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AE & JE ExamsDec 7AE & JE Exams