1
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
Two generator units $$G1$$ and $$G2$$ are connected by $$15$$ $$kV$$ line with a bus at the mid-point as shown below GATE EE 2011 Power System Analysis - Per Unit System Question 2 English
$${G_1} = 250\,\,MVA.\,\,\,15kV,\,\,$$ positive sequence $$X = 25$$% on its own base
$${G_2} = 100\,\,MVA.\,\,\,15kV,\,$$ positive sequence $$X = 10$$% on its own base
$${L_1}$$ and $${L_2}$$ $$= 10$$ $$km,$$ positive sequence $$ X = 0.225$$ $$\,\,\Omega /km$$

For the above system, the positive sequence diagram with the p.u values on the $$100$$ $$MVA$$ common

A
GATE EE 2011 Power System Analysis - Per Unit System Question 2 English Option 1
B
GATE EE 2011 Power System Analysis - Per Unit System Question 2 English Option 2
C
GATE EE 2011 Power System Analysis - Per Unit System Question 2 English Option 3
D
GATE EE 2011 Power System Analysis - Per Unit System Question 2 English Option 4
2
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A point Z has been plotted in the complex plane, as shown in figure below. GATE EE 2011 Signals and Systems - Continuous and Discrete Time Signals Question 9 English The plot of the complex number $$y=\frac1z$$ is
A
GATE EE 2011 Signals and Systems - Continuous and Discrete Time Signals Question 9 English Option 1
B
GATE EE 2011 Signals and Systems - Continuous and Discrete Time Signals Question 9 English Option 2
C
GATE EE 2011 Signals and Systems - Continuous and Discrete Time Signals Question 9 English Option 3
D
GATE EE 2011 Signals and Systems - Continuous and Discrete Time Signals Question 9 English Option 4
3
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
Given two continuous time signals $$x\left(t\right)=e^{-t}$$ and $$y\left(t\right)=e^{-2t}$$ which exist for t > 0, the convolution z(t) = x(t)*y(t) is
A
$$e^{-t}-e^{-2t}$$
B
$$e^{-3t}$$
C
$$e^{+t}$$
D
$$e^{-t}\;+\;e^{-2t}$$
4
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A low–pass filter with a cut-off frequency of 30 Hz is cascaded with a high-pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as
A
an all-pass filter
B
an all-stop filter
C
an band stop (band-reject) filter
D
a band–pass filter
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