Question 1 to 5 carry One Mark each
Even as the ________else where in the world are struggling, to come out of recession, Indian consumers are splurging on consumer goods and to ____________this growth, companies are investing heavily in various sectors.
In the olympic games, the flags of six nations were flown on the masts in the following way. T he flag of
America was to the left of Indian tricolor and to the right of the flag of france. T he flag of Australia was on
the right of the Indian flag but was to the left of the flag of Japan, which was to the left of the flag of China.
T he two flags which are in the centre is
India and Australia
[France – America – India –Aus. –Japan – China]
From the given equilateral triangle below A, B and C run along the sides in clockwise direction and stop after coming sides. Which of the following statements is true?
In the following questions, a sent ence has been given in direct/indirect speech.
Nitin said to me, “why don’t you come with us? why do you want to be so unsocial.
Select the grammatical e rror part
In order to transfer (a)/ branch licenses for one (b)/ bank to anot her you require special approval from RBI
(c)/ No error (d).
Question 6 to 10 carry Two Marks each
In an NGO, t he daily average wages of 20 illiterate employee is decreased from Rs. 25 to Rs. 10. T hus the
average salary of all the literate (educated) and illiterate employees is decreased by Rs. 10 perday. T he
number of educated employees working in the NGO is
Directi on for questi ons (7-8).
Answer the question with the help of the following table
The ratio of the percentage share of Dairy Milk to that of other is
Answer the question with the help of the following table
If in the next year, Crackle and Dairy Mill decided to join hands and increase their market share from their
combined existing share by 20%. What will be their combined production if the mark size remains the same?
Simple interest on a certain amount is 9/16 of the principle. If the number represent ing the rate of intersest in percent and time in years be equal. Then time, for when the principal is lent out is,
If A is a square matrix of order 3 and |A| =1/2. The A (a dj(A)) is
Question 11 to 35 carry One Mark each
If the probability for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
Eigen value of unit ary matrix are always
The eigen value of unitary matrix are always of unit modulus
The linear approximat ion of e–x in the neighbourhood of x = 2 is
If , then the value of is
State equation of a cont rol system is given by
T he state transition matrix is .
he value of 'k' and 'a' to satisfy the frequency domain specification Mr = 1.04 and ωr = 11.55 rad/sec is
The current waveform across a 8H inductor is
The voltage wareform is
For the circuit shown in figure diode cut in voltage is Vin = 0. T he Ripple voltage to not more than Vrip= 4V.
The min load resistance(in k), that can be corrected to the output is
A bidirectional 4-bit shift register is storing the nibble 1101. Its input is high. The nibble 1011 is waiting to be entered on the serial data-input line. After these clock pulses, t he shift register is storing (in binary system) _________________
Use of the reverse conducting thyristor in place of antiparallel combinat ion of thyristor and feedback
diode in an invert er
Consider a long two wire line composed of solid round-conductors. The radius of bot h conductors is 0.20 cm and the distance between their centres is 2m. If this distance is doubled, t hen the inductance per unit length
Inductance per wait length =
μ = Permeability of material
D = Distance between their
r = Effective radius
L α lo D
If D is double, 1 will increase but does not double.
If the discharge voltage of a thyrit e arrester is 373 kV rms and the rated voltage is 211 kV rms. T he
discharge factor of the arrester is _______________
The full load slip of a 3-phase squirrel cage induction motor is 0.05. The start ing current is 5 times the rated current . The ratio of start ing torque to full load torque is ____________
The volt age |Vab| in the circuit given below is
The common base amplifier is drawn as a two port in figure. The parameter are β= 100, gm = 3mS, r0= 800 k The h parameter h21 is
A 6 pole, 3-φ, 440V, 50 Hz induction motor has the rotor impedance of (0.2 + j1.6), the ratio of stator to
rotor turns is 1.79 and the full load slip is 0.06. T he full load torque is (in N-m) ______________
A waveform shown in the figure below is read by AC ammeter. T he reading shown by the meter is
Reading of ac ammeter = rms valve
Where, α = duty cycle
Rms valve = 100 mA
The NMOS transistor has If ID = 0.4 mA &
VD = 0.5V. T he values of RD and RS are respectively
VD = 0.5 is greater than VG, this means nMOS operating in saturation
A three phase half controlled bridge convert er in continuous conduction mode operat es at a firing angle of 45°, the power factor on the line side is
The Phase and gain margin margins of the system shown in figure wh ere k = 10 is
A feedback control system has an open loop transfer function of
The maximum range of k for the closed loop stability is
full converter is delivering a constant load current of 60 A at 230 V DC. T he average current of SCR's and r.m.s. current sourc e respectively
A DC distribution system is shown in figure with load currents as marked. T he two ends of the feeder are
fed by voltage sources such that VP, VQ = 4V T he value of the voltage VQ for a minimum voltage of 220V
at any point along the feeder is
A 400V/100V, 10 kVA two winding transformer is reconnected as an autot ransformer across a suitable
voltage. The maximum rating of such a transformer could be (in k)
Two transformer with leakage impedance Z1 = 0.1 + j0.4 and Z2 = 0.05 + j0.2 are connected in parallel. T he ratio of load shared will
T he sharing of load is inversely proportional to the impedance of the transformer.
Question 36 to 65 carry Two Marks each
The modulus part of (1 + i)8 is _____________
The node voltage V1 and V2 of the given circuit is
In a 3-phase, double layer winding with 9 slot s per pole. Phase spread is kept constant at 60° (electrical).
If the number of slots per pole is double t he new distortion factor will be times the old distribution factor
If the phase angle at gain crossover frequency is estimat ed to be –105°. T he value of phase margin of
the system is
Consider the n-MOS common gate circuit. The parameter gm = 2mS & ro= ∞ T he voltage gain AV is
A chopper circuit shown below has input DC voltage of 200V and a load of In series with L = 80 mH. If load current varies linearly between 12A and 16A, then time ratio for this chopper is
The 8–input XOR circuit shown has an output of y = 1. Which input combination below (ordered A-H) is
f(x, y, z) = xy2 + yz3, the directional derivative of f(x ,y, z) at t he point (2, –1, 1) in the direction of vector
If a vector is defined as The divergenc e of vector is
The thevenin equivalent of the given circuit cross AB is
How many times loop will excess?
Loop exec ute if Z = 1 (Set)
0 time loop will be execute
An impedance Z0 = (1 + j4) is connected in series with the secondary winding of an ideal transformer as
shown in the figure.
The value of series impedance when referred to the primary side is
The signal X(t) is
T he signal will be
Using Sim pson’s 1/3rd rule with step size of 0.1, the value of is___________
A 3-phase synchronous generator delivers 10 MVA at a voltage of 10.5 kV. T he line impedance is 5.
T he voltage drop in the line in per unit (in volts)
Use the reference base as 12 MVA at 11 kV.
A function number of prime implicants and minimized expression is
Consider the circuit shown given below. The transfer characteristics of circuit is repersented as a
A unit y feedback cont rol system whose open-loop transfer function is The rise time and settling time for tolerance 2% respect ively
The peak value of the output of the filter if the input pulse to the filter is shown below
The solution of the differential equation
The transfer characteristics of an FET is given by the parabola IDS = 10 (VGS + 1)2. If the input is
5cosωot. then variation of gm with time is given by
A three phase load of 3000 kVA, 0.8 p.f. is supplied at 11kV from a step-down transformer having a ratio 3:1. The primary side of transformer is connected to a transmision line, the constant s of which are resistance per conductor, 2 ohms, reactance per conducter, 3 ohms. T he resistance and reactance per phase of the primary windings of the transformer (which are star connected) are 5 and 10 respectively, and the corresponding value for the secondary winding (which are delta connected) are 1.5 ohms and 3 ohms respectively. The voltage and power factor at the sending end of the transmission line is
In a reverse biased abrupt p-n junct ion doping concentrat ion NA = 9 ×1016/cm3 and ND = 1 × 1016/cm3
respectively. In p-n junction total deplet ion layer width 3 μm. T he depletion width on p–side is
In the circuit shown below OP-AMP is ideal. The total current (in mA) supplied by 20V voltage supply is
(Assume β of transistor very large)
The deflection of an elect ron beam on a CRT screen is 10mm. Suppose the pre-accelerating anode
voltage is halved and the potential between deflect ing plates is doubled, the deflection of the electron
beam will be (in mm) __________
Consider the given circuit & waveform for the input diode (cut in voltage Vx= 0)
The waveform of output Vo is
Consider the following circuits. From the below circuits. Which one will operate as AC voltage regulator?
The transfer function of the system whose asymptotic approximation is given in figure below, is
The Fourier transform of the signal
The magnitude current i (in A) at t = 5sec in the circuit given is