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5+5 x 5+5 = ?
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Nov 10
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anonymous
5+5 x 5+5 = ?
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May 25, 2018
by
anonymous
Three materials X, Y and Z having relative permittivity 2.5, 3.0 and 4.0 respectively are used in a single core
Three materials X, Y and Z having relative permittivity 2.5, 3.0 and 4.0 respectively are used in a single core cable. The materials on inner most and outer most layer respectively should be (a) X and Y (b) Y and Z (c) X and Z (d) Z and X
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Apr 12, 2018
by
anonymous
3.2 x 10-5 A, equivalent to: A. 32 µA B. 3.3 µA C. 320 Ma D. 3,200 mA
3.2 x 10-5 A, equivalent to: A. 32 µA B. 3.3 µA C. 320 Ma D. 3,200 mA
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Oct 1
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anonymous
A circuit is connected as shown in the figure with the switch S open. When the switch is closed, the total amount of charge that flows from Y to X is
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Aug 2
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anonymous
Perspective view of an object is shown below. The object is rotated 90 degrees anticlockwise about z-axis (when viewed from a point on the positive z-axis towards the origin) and then rotated 180 degrees about x-axis (when viewed from a point on the positive x-axis towards the origin). Which one of the following perspective view options will be the result of the rotations?
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Aug 1
by
anonymous
Richa has a pencil, a compass, and a post card of size 12 cm x 7 cm. Which of the following diagrams can she draw in her notebook using only these objects?
Richa has a pencil, a compass, and a post card of size 12 cm x 7 cm. Which of the following diagrams can she draw in her notebook using only these objects? A. Circle of radius 13 cm B. Equilateral triangle of side 5 cm C. Square of side 6 cm D. Regular hexagon of side 10 cm
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Aug 1
by
anonymous
What is the shortest distance (in cm) for the red dot to reach the position x? The dot can travel only along the grid lines shown.
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Aug 1
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anonymous
X1 is a 3D form generated from the shape X, using certain 3D operations. It has 14 surfaces in total. The same operations are carried out on shape Y. How many surfaces would the resulting 3D form have?
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Jun 29
by
anonymous
List any two features of PCI-Xpress. Give two differences between PCI-X & PCI-Xpress.
List any two features of PCI-Xpress. Give two differences between PCI-X & PCI-Xpress.
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asked
May 25
by
anonymous
Explain construction and working of Coolidge tube for production of X-ray.
Explain construction and working of Coolidge tube for production of X-ray.
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asked
May 25
by
anonymous
applications of X-rays
applications of X-rays
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asked
May 21
by
anonymous
Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.
Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.
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50
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asked
Jul 26, 2019
by
anonymous
The determinant of a 2 x 2 matrix is 50. If one eigen value of the matrix is 10, the other eigen value is ________.
The determinant of a 2 x 2 matrix is 50. If one eigen value of the matrix is 10, the other eigen value is ________.
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asked
Jul 16, 2019
by
anonymous
Can you answer this question? X + X + X = 30 X + Y + Y = 20 Y + Z + Z = 17 X + Y + Z = ?
Can you answer this question? X + X + X = 30 X + Y + Y = 20 Y + Z + Z = 17 X + Y + Z = ?
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asked
May 27, 2019
by
anonymous
X L and X C in Series
X L and X C in Series
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70
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asked
May 27, 2019
by
anonymous
Circuits with capacitive reactance X C alone
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101
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asked
Sep 4, 2018
by
anonymous
Explain the production of X-ray’s using Coolidge tube.
Explain the production of X-ray’s using Coolidge tube.
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asked
Sep 4, 2018
by
anonymous
State four properties of X-rays.
State four properties of X-rays.
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2,403
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asked
Sep 4, 2018
by
anonymous
State any two Engg. application of X-Rays.
State any two Engg. application of X-Rays.
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asked
Jun 17, 2018
by
anonymous
Which of the following relation is incorrect? A) capacity factor = utilization factor x load factor B) load factor
Which of the following relation is incorrect? A) capacity factor = utilization factor x load factor B) load factor x maximum load = average load C) demand factor x connected load = maximum demand D) none of these
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asked
May 29, 2018
by
anonymous
The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X–plate input is
The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X–plate input is 2 sin ωt, the Y–plate input is (1) 2 sin ωt (2) 2 sin (ωt + 45°) (3) 2 sin (ωt – 45°) (4) 22 sin ωt + 45°)
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83
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asked
May 28, 2018
by
anonymous
Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO.
Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO. The observed Lissajous figure is straight line. The phase shift between the two signals would be (1) Zero (2) 90 degrees (3) Either zero or 180 degrees (4) Either 90 degrees or 270 degrees
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77
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asked
May 25, 2018
by
anonymous
For a given base voltage and base volt-amperes, the per unit impedance value is x. For the doubled base
For a given base voltage and base volt-amperes, the per unit impedance value is x. For the doubled base values of both voltage and volt-amperes, the per unit impedance will be (a) 2x (b) 0.25x (c) 0.5x (d) no change
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141
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asked
May 25, 2018
by
anonymous
The p.u. parameter for a 500 MVA machine on its own base are: inertia, M = 20 p.u. ; reactance, X = 2 p.u. The
The p.u. parameter for a 500 MVA machine on its own base are: inertia, M = 20 p.u. ; reactance, X = 2 p.u. The p.u. values of inertia and reactance on 100 MVA common base, respectively, are (A) 4, 0.4 (B) 100, 10 (C) 4, 10 (D) 100, 0.4
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149
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asked
May 24, 2018
by
anonymous
How many minimum number of NOR gates are required to realize a two-input X-OR gate?
How many minimum number of NOR gates are required to realize a two-input X-OR gate?
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asked
May 23, 2018
by
anonymous
X.25 protocol is a structured protocol that has
X.25 protocol is a structured protocol that has
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34
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asked
May 22, 2018
by
anonymous
The X/R ratio for distribution lines is:
The X/R ratio for distribution lines is:
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200
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2
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asked
May 20, 2018
by
anonymous
The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a
The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure Which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly and repeatedly. The following inference can be made from this A) The signals are not sinusoidal ... but not equal C) The signals are sinusoidal with their frequencies very close but not equal D) There is a constant but small phase difference between the signals
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asked
May 14, 2018
by
anonymous
Percentage voltage regulation = _______________________ x 100 ;
Percentage voltage regulation = _______________________ x 100 ; (Where VNL=No Load Voltage, VFL=Full Load Voltage)
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84
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asked
May 12, 2018
by
anonymous
An absolutely integrable signal x(t) is known to have a pole at s = 2. Which one of the following
An absolutely integrable signal x(t) is known to have a pole at s = 2. Which one of the following is true ? (A) B, C and D are true (B) x(t) can be left-sided (C) x(t) can be right-sided (D) x(t) can be both-sided
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75
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asked
May 12, 2018
by
anonymous
If x(t) is of finite duration and absolutely integrable, the ROC of its Laplace Transform X(s) is
If x(t) is of finite duration and absolutely integrable, the ROC of its Laplace Transform X(s) is (A) Left half-plane (B) Entire s-plane (C) Right half-plane (D) Finite duration plane
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36
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asked
May 8, 2018
by
anonymous
The following is correct : (A) P = V x I (B) P = I ² x R (C) P = V ² / R (D) All of the above
The following is correct : (A) P = V x I (B) P = I ² x R (C) P = V ² / R (D) All of the above
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42
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asked
May 8, 2018
by
anonymous
The following formula is correct: (A) Diversity factor =1 / Coincidence Factor (B) Diversity factor =1 x
The following formula is correct: (A) Diversity factor =1 / Coincidence Factor (B) Diversity factor =1 x Coincidence Factor (C) Diversity factor =1 - Coincidence Factor (D) All of the above
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43
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asked
Apr 30, 2018
by
anonymous
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is
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108
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asked
Apr 29, 2018
by
anonymous
A 500 W bulb fitted with a reflector illuminates an area of 2 m x 2 m with an average illumination of 500 lux.
A 500 W bulb fitted with a reflector illuminates an area of 2 m x 2 m with an average illumination of 500 lux. The efficiency of the reflector is 50%. The efficiency of the bulb in lumens/watt is :
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Apr 28, 2018
by
anonymous
Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor
Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor (A) is equal to that of a normal induction motor (B) is less than that of a normal induction motor (C) is greater than that of a normal induction motor (D) may be less or greater than that of a normal induction motor
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asked
Apr 26, 2018
by
anonymous
Consider a continuous-time system with input x(t) & output y(t) are related by y(t) = x (sin t). This system is
Consider a continuous-time system with input x(t) & output y(t) are related by y(t) = x (sin t). This system is (A) causal & linear (B) non-causal & linear (C) causal & non-linear (D) non-causal & non-linear
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Apr 23, 2018
by
anonymous
In a two -channel oscilloscope operating in x -y mode, two in -phase 50 Hz sinusoidal waveforms of equal ...
In a two -channel oscilloscope operating in x -y mode, two in -phase 50 Hz sinusoidal waveforms of equal amplitude are fed to the two channels. What will be the resultant pattern on the screen ? (a) An ellipse (b) A parabola (c) Straight line inclined at 45° with respect to x-axis (d) A circle
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49
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asked
Apr 14, 2018
by
anonymous
In a 32 x 8 ROM there are
In a 32 x 8 ROM there are (a) 8 address lines (c) 4 address lines (b) 5 address lines (d) 32 address lines
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asked
Apr 12, 2018
by
anonymous
The system of equations x + y+ z = 6, 2 x + y +z = 7, x + 2 y +z=8 has
The system of equations x + y+ z = 6, 2 x + y +z = 7, x + 2 y +z=8 has a. A unique solution b. No solution c. An infinite number of solutions d. None of these
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Apr 11, 2018
by
anonymous
If X is the system reactance and R is its resistance, the power transferred is maximum when
If X is the system reactance and R is its resistance, the power transferred is maximum when (1) X=R (2) X=1.414 R (3) X=1.732 R (4) X=2R
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705
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asked
Apr 10, 2018
by
anonymous
X.25 is an example of ______ network
X.25 is an example of ______ network (1) Circuit switched (2) Packet switched (3) Frame switched (4) None of the above
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asked
Apr 10, 2018
by
anonymous
Consider the declaration char x[] = “ANNA” char *y = “ANNA” pick the correct answer
Consider the declaration char x[] = “ANNA” char *y = “ANNA” pick the correct answer (1) the output of puts(x) and puts(y) will be same (2) the output of puts(x) and puts(y) will be different (3) the output of puts(y) is implementation dependent (4) none of these
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Apr 10, 2018
by
anonymous
X -Y recorders ..........
X -Y recorders a) Record one quantity with respect to other quantity b) Record one quantity on X axis with respect to time on Y axis c) Record one quantity on Y axis with respect to time on X axis d) Both (b) and( c)
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Apr 9, 2018
by
anonymous
If a signal x(n)=x(–n), then it is called ____ signal.
If a signal x(n)=x(–n), then it is called ____ signal. (1) Odd (2) Energy (3) Power (4) Even
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asked
Apr 9, 2018
by
anonymous
The signal x(t) = sin(t)/t is ...
The signal x(t) = sin(t)/t is A) Even function B) Odd function C) Neither odd nor even D) Both odd and even
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Apr 9, 2018
by
anonymous
The FS of a periodic continuous-time signal x(t) is ...
The FS of a periodic continuous-time signal x(t) is A) Continuous Complex-valued function B) Discrete Real-valued function C) Continuous Real-valued function D) Discrete Complex-valued function
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Apr 9, 2018
by
anonymous
X-rays are used for the study of crystal structure because...
X-rays are used for the study of crystal structure because (a) X-rays are completely absorbed by the crystal (b) the wavelength of X-ray is of the same order of magnitude in the inter-atomic spacing in crystals (c) the wavelength of X-rays is very small in comparison with the inter-atomic spacing in crystals (d) the crystals are completely transparent to X-rays
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Apr 5, 2018
by
anonymous
Which among the following is the dual of Boolean expression X+YZ=(X+Y) (X+Z)?
Which among the following is the dual of Boolean expression X+YZ=(X+Y) (X+Z)? (A) X(Y+Z)=XY+YZ (B) X.(Y+Z)=X.Y+X.Z (C) X+(Y+Z) = X.Y+Z (D) X+(YZ) = X+Y+Z
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Apr 5, 2018
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anonymous
When ‘n’ resistances each of value ‘r’ are connected in parallel, then the resultant resistance is ‘x’...
When ‘n’ resistances each of value ‘r’ are connected in parallel, then the resultant resistance is ‘x’. When these ‘n’ resistances are connected in series, total resistance is (A) n2X (B) X/n (C) n2/X (D) nX2
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Mar 31, 2018
by
anonymous
The charge on an electron is known to be 1.6 x 10-19 coulomb. In a...
The charge on an electron is known to be 1.6 x 10-19 coulomb. In a circuit the current flowing is 1 A. How many electrons will be flowing through the circuit in a second?
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