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Exam Details

APSPDCL AE 2012

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Questions 100
Duration 180 mins
Package AE & JE Exams - Previous Year Papers

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Difficulty distribution

Medium 69 69%
Easy 21 21%
Hard 10 10%

Question type distribution

Multiple Choices 100 100%

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Sample questions from this paper

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1
2012 · Unclassified
APSPDCL AE 2012
In two wattmeter method of 3-phase power measurements, when the power factor is 0.5
A
the readings of the two wattmeters are equal and positive
B
the readings of the two wattmeter’s are equal and opposite
C
the total power is measured by only one wattmeter
D
the readings of the two wattmeters are not equal and positive
2
2012 · Unclassified
APSPDCL AE 2012
The reading of the wattmeter connected to measure the power in a 3-phase circuit is given by zero when the line voltage is 400 V and the line current is 15 A. Then the power factor of the circuit is
A
zero
B
0.8
C
unity
D
0.6
3
2012 · Unclassified
APSPDCL AE 2012
The resistance which should be connected between terminals P and Q for maximum transfer of power from source to the combined load is
A
zero Ω
B
2 Ω
C
4 Ω
D
infinity ohms
4
2012 · Unclassified
APSPDCL AE 2012
In the given circuit below, the current is i(t) = 4 sin(500t) Amps. The applied voltage v(t) in volts is
A
40 sin(500t)
B
56.56 sin(500t + 45o)
C
56.56 cos(500t + 45o)
D
40 cos(500t)
5
2012 · Unclassified
APSPDCL AE 2012
In a two port network, open circuit impedance parameters express
A
V1, V2 in terms of I1, I2
B
V1, I1 in terms of V2, I2
C
V1, I2 in terms of V2, I1
D
I1, I2 in terms of V1, V2
6
2012 · Unclassified
APSPDCL AE 2012
When two 2-port networks are connected in parallel, it is convenient to use
A
open circuit impedance parameters
B
short circuit admittance parameters
C
inverse hybrid parameters
D
transmission parameters