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Question 1 to 5 carry One Mark each
Q.
According to the weather______it is going to be cloudly today
In the following questions, a sent ence has been given in direct/indirect speech.
She said, “Let them play”.
Select the pair that best express relationship similar to that expressed in the pair.
Light : Glint
A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. Aft er A has
been working it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the
work?
Question 6 to 10 carry Two Marks each
Q.
The sufficient condition for matrix ‘A’ to be diagonalizable is
If x = y^{a} , y = z^{b} and z = x^{c} then abc = ?
Out of the four alternatives suggested select the one which is correct
The value of X in the following figure is
The piechart shows the distribution of New York market share by value of different computer companies in 2005.
T he piechart shows the distribution of New York market share by volume of different computer companies
in 2005.
Number of units sold in 2005 in New York = 1,500
Value of units sold in 2005 in New York = US$ 16,50,000
Question 11 to 35 carry One Mark each
Q.
Value of a is ____________
i^{i }is of the form, where (i= sqrt {1})
6 boys and 6 girls sit in a row randomly. The probability that all the six girls sit together is in the form 1/a. Value of a is ______________.
The C/R of system shown in figure below is
For a unit y feedback system whose open  loop transfer function is
the velocity error is ______________
If for a 2 × 2 matrix a_{11} = a_{12} = a_{21} = 1 and a_{22} = –1. If the eigen values of A^{19} can be writ ten in
the form , then value of a × b is __________________
T he solution of the differential equation is
T he addresssing mode, as shown in figure, is
Laplace transform analysis helps in
PMMC instrument produces a deflection of 90° when a current of 2 mA passes through the moving coil.
T he instrument is spring cont rolled. Supposing the instrument is redesigned with its spring constant as
before and its p ermanent magnet is replaced with a new permanent magnet which pr oduces twice t he
flux density as before. What would be t he deflect io n if a current of 1 mA is passed through the coil.
T he other features of the PMM C instrument remain the same
In the common base stage of figure. I_{CQ} = 1mA and β = 7.5 T he input Resistance is
Two point charge 1 μC and 4 μC are placed at (–2, 1, 5) and (1, 3, –1) respectively. T he energy stored
in the field will be (in mJ)
The contents of F register in 8085 are 01010001. T his means
The figure shows a dependent curren t source, it
Consider the circuit shown in figure
The power factor for the circuit shown is
Consider the transistor circuit shown below
The average power dissipated for one cycle of operation is given by
Peak load power plant s are
P. Wind power plant s
Q. Pumped storage plant
R. Solar power plant
S. Hydro power plant s
A transformer is rat ed at 11 kV/0.4 kV, 500 kVA, 5% reactance. Determine the short circuit MVA of
the transformer when connected to an infinit e bus _______________
Since t he t ransformer is connected to an infinite bus, the p.u. impedance of the circuit will be 0.05. i.e. the p.u. im pedance offered by the transformer
A transformer has 2% resistance and 5% reactance. T he volt age regulation at full load 0.8 power factor
lagging
Consider the following model of a JFET amplifier
Here I_{DSS} = 8mA & V_{P} = –4V the value of V_{DS} will be
If in a 1phase bridge network one of the thyristor is open circuited, then the average output volt age is
Improved commutation in DC machine cannot be achieved by
A stepper motor makes 200 steps per revolution. It is running at 500 steps/sec. The speed in r.p.m. is
Question 36 to 65 carry Two Marks each
Q.
The value of where R is the r egion in the first quadrant bounded by the curves y = x^{2} ,
y + x = 2 and x = 0.
___________________
For we have y = 1 at x = 0. By using Euler met hod and taking the step size 0.1. T he value
of y at x = 0.4 is ________________
If x + y = k is normal to y^{2} = 12x, t hen k is ____________
x + y = k is normal t o the curve slope = 1
The range of k such that fee dback con trol syst em h aving charact erist ic equat ion s ( s^{2} + s + 1) (s + 4) + k = 0 will be stable is
Which unit is adopted for magnit ude measurement in Bode plots?
T he Laplace transformation of e^{at} cosh(bt) is
The transfer funct ion whose approximate plot is shown in figure is
For a unity feedback system with , the value of centroid would be
___________________
First derivative of th e signal x(t ) will be
Signal x(t) shown below can be represented as
If memory chip size is 256 × 1 bits, the n umber of chips required 1 k byt e memory is
The mininized version of logic c ircuit shown in figure below is
In order to increase the differential input resistance of a bipolar transistor OPAmp
The current I for the circuit shown below is
A power system has 200 buses has 200 buses including 15 generator buses. For the load flow
analysis using NewtonRaphson method in polar coordinalies, t he size of the jacobian is p × Q. then
P + Q is _____________________________
A 400 MW, 22 kV, 50Hz, 3 phase 4 pole synchronous generator having a rat ed p.f = 0.8, has a
moment of inertia 27.5 × 10^{3} kg/m^{2}. T he inert ia constant (H) will be
The basic circuit of circulating current system of protection is shown in t he figure, that improve the
fault stability, a stabilizing resistor is connected the points
Consider a transistor circuit the value of is
A 230 V single phase full converter is feeding a RLE load R = 15, L = 100 mH, and E = 70V. If the average load current is 5A, then the firing angle delay is (in degree) _____________
The gain of the convert er shown is, switch connected to 1 and 1' while octcton and moved to 2 and 2'. When
An iron ring of mean length 50 cm has an air gap of 1 mm and a winding of 200 turns. If the permeability of
the iron is 300 when a current of 1A flows through the coil. The flux density is
Which of the following statement is not correct?
A 500 kVA transformer has an efficiency of 95% at full load and also at 60% of full load bot h at UPF then
which of the following is true?
An 8pole DC machine has a rated current of 100A. If the armature is duplex lap wound, then the amount of
current that will flow in each path at rated conditions is (in Amps) ______________
Duplex lap wound, t he refore t he number of paths A = mp
= 2 × 8 = 16 paths
Current per each path = 100/16
= 6.25A
An SCR with heat sink arrangment has ambient temperature of 50°C and junction temperature of 100°C and the average power dissipated of 50 W. If the junction temperature is reduced to 70°C, t hen the percentage reduction in thermal resistance is ________________
For a 10 MVA, 132 kV/6.6 kV power transformer with deltastar connections, for the differential
prot ection scheme to circulate a current of 5A in the pilot wires. T he current transformer on HV
side, is
The value of current I_{1} is ____________________
A capacitor is added to the portion of the resistance of a multiplier in order to make the pressure coil
circuit noninductive. T he value of resistance is r while the tot al resistance and inductance of pressure
circuit are respect ively R_{P} and L. T he value of capacitance C is
A single phase bridge inverter delivers power to a series connected RLC load with R = 2, and ωL = 10.
The periodic time T = 0.1 msec. Take circuit turn off time as 1.5 times t_{OFF}. Assume the load current
contains only fundamental component . The value of C (in μF) for turn off time 10μsec, is________________
A series RL circuit has a constant voltage ‘V’ applied at t = 0. A t what time V_{R} = V_{L}
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