EE GATE 2011 - Online Test
Q1. A portion of the main program to call a subroutine SUB in an 8085 environment is given below.
:
:
LXI D,DISP
LP : CALL SUB
:
It is desired that control be returned to LP+DISP+3 when the RET instruction is executed in the subroutine. The set of instructions that precede the RET instruction in the subroutine are
Answer : Option C
Explaination / Solution:
No Explaination.
Q2. The transistor used in the circuit shown below has a β of 30 and ICBO is negligible
If the forward voltage drop of diode is 0.7V, then the current through collector will be
Answer : Option D
Explaination / Solution:
Q3. A 
digit DMM has the error specification as : 0.2% of reading + 10 counts. If a dc voltage of 100V is read on its 200V full scale, the maximum error that can be expected in the reading is
digit DMM has the error specification as : 0.2% of reading + 10 counts. If a dc voltage of 100V is read on its 200V full scale, the maximum error that can be expected in the reading is
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair:
Gladiator : Arena
Answer : Option D
Explaination / Solution:
The given relationship is worker: workplace. A gladiator is (i) a person, usually a professional combatant trained to entertain the public by engaging in mortal combat with another person or a wild.(ii) A person engaged in a controversy or debate, especially in public.
Q5. Three friends, R, S and T shared toffee from a bowl. R took 1/3rd of the toffees, but returned four to the bowl. S took 1/4th of what was left but returned three toffees to the bowl. T took half of the remainder but returned two back into the bowl. If the bowl had 17 toffees left, how many toffees-were originally there in the bowl?
Answer : Option C
Explaination / Solution:
Q6. A point Z has been plotted in the complex plane, as shown in figure below.
The plot of the complex number y = 1/z is
Answer : Option D
Explaination / Solution:
Z is having +ve real part and positive imaginary part (from the characteristics) So Y should have +ve real part and negative imaginary part.
Q7. Given two continuous time signals 
which exist for t > 0,
the convolution z(t) = x(t)* y(t) is
which exist for t > 0,
the convolution z(t) = x(t)* y(t) is
Answer : Option A
Explaination / Solution:
Q8. A lossy capacitor Cx, rated for operation at 5 kV, 50 Hz is represented by an
equivalent circuit with an ideal capacitor Cp in parallel with a resistor Rp. The
value Cp is found to be 0.102 µF and the value of Rp = 1.25 MΩ . Then the power
loss and tan ∂ of the lossy capacitor operating at the rated voltage, respectively,
Answer : Option C
Explaination / Solution:
No Explaination.
Q9. A 220 V, DC shunt motor is operating at a speed of 1440 rpm. The armature
resistance is 1.0 Ω and armature current is 10A. of the excitation of the machine
is reduced by 10%, the extra resistance to be put in the armature circuit to
maintain the same speed and torque will be
Answer : Option A
Explaination / Solution:
Q10. 
A load center of 120MW derives power from two power stations connected by 220kV transmission lines of 25km and 75km as shown in the figure below. The three generators G1,G2 and G3 are of 100MW capacity each and have identical fuel cost characteristics. The minimum loss generation schedule for supplying the 120 MW load is
Answer : Option A
Explaination / Solution:
Loss α p2 ; Loss α length
For checking all options only option A gives less losses.
