EE GATE 2009 - Online Test
Q1. The first two rows of Routh's tabulation of a third order equation are as follows.
s3 2 4
s2 4 4.
This means there are
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. For the Y-bus matrix of a 4-bus system given in per unit, the buses having shunt elements are.
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. 
The asymptotic approximation of the log-magnitude vs frequency plot of a system containing only real poles and zeros is shown. Its transfer function is
Answer : Option B
Explaination / Solution:
Q4. Match the items in List-I with the items in List-II and select the correct answer using the codes given below the lists.
List-I List-II
A. Improve power factor 1. Shunt reactor
B. Reduce the current ripples 2. Shunt capacitor
C. Increase the power flow in line 3. Series capacitor
D. Reduce the ferranti effect 4. Series reactor
Codes:
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. The unit-step response of a unity feedback system with open loop transfer function G(s) 
is shown in the figure. The value of K is
is shown in the figure. The value of K is
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. Match the items in List-I with the items in List-II and select the correct answer using the codes given below the lists.
List I List II
a. Short Line 1. Ohm Relay
b. Medium Line 2. Reactance Relay
c. Long Line 3. Mho Relay
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. The open loop transfer function of a unity feedback system is given by 
The gain margin of this system is
The gain margin of this system is
Answer : Option D
Explaination / Solution:
Q8. The current through the 2 kΩ resistance in the circuit shown is
Answer : Option A
Explaination / Solution:
It is a balanced Wheatstone bridge.
Q9. The equivalent capacitance of the input loop of the circuit shown is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. The trace and determinant of a 2 × 2 matrix are known to be –2 and –35 respectively. It’s Eigenvalues are
Answer : Option C
Explaination / Solution:
No Explaination.
