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Strain energy is the
The neutral axis of the crosssection a beam is that axis at which the bending stress is
Euler’s formula holds good only for
The object of caulking in a riveted joint is to make the joint
A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
Two shafts ‘A’ and ‘B’ transmit the same power. The speed of shaft ‘A’ is 250 r.p.m. and that of shaft ‘B’ is 300 r.p.m. The shaft ‘B’ has the greater diameter.
The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
If the slenderness ratio for a column is 100, then it is said to be a __________ column.
A masonry dam may fail due to
In order to prevent crushing of masonry at the base of the dam, the maximum stress should be __________ the permissible stress of the soil.
When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.
The bending moment at a point on a beam is the algebraic __________ of all the moments on either side of the point.
The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)
Two closely coiled helical springs ‘A’ and ‘B’ are equal in all respects but the number of turns of spring ‘A’ is half that of spring ‘B’ The ratio of deflections in spring ‘A’ to spring ‘B’ is
The deformation per unit length is called
Strain resetters are used to
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
The point of contraflexure is a point where
The simply supported beam ‘A’ of length l carries a central point load W. Another beam ‘B’ is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is
The maximum stress produced in a bar of tapering section is at
The energy stored in a body when strained within elastic limit is known as
In compression test, the fracture in cast iron specimen would occur along
The bending stress in a beam is __________ section modulus.
When shear force at a point is zero, then bending moment is __________ at that point.
When a bar is cooled to – 5°C, it will develop
The limit of eccentricity is based upon no tension condition.
In order to know whether a column is long or short, we must know its slenderness ratio.
Resilience is the
A concentrated load is one which
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Mechanical Engineering Mechanics Online Test. The Mechanical Engineering Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Mechanical Engineering Question and Answers in English. Mechanical Engineering Online Mock test for Mechanical Engineering Mechanics Topic. Here we are providing Mechanical Engineering Mechanics Online Test Series in English. Check Mechanical Engineering Mock Test Series 2019.
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According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
The friction experienced by a body, when in motion, is known as
Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity
The term ‘force’ may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.
The coefficient of restitution for elastic bodies is one.
The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is
The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.
The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.
A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
A smooth cylinder lying on its convex surface remains in __________ equilibrium.
Coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.
The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.
The range of a projectile is maximum, when the angle of projection is
The mechanical advantage of a lifting machine is the ratio of
Static friction is always __________ dynamic friction.
A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.
When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.
The bodies which rebound after impact are called
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.
The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in magnitude and direction by the third side of a triangle, taken in opposite order.
The angle between two forces when the resultant is maximum and minimum respectively are
The path of the projectile is a parabola.
A redundant frame is also called __________ frame.
A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.
When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
If two blocks of equal mass are attached to the two ends of a light string and one of the blocks is placed over a smooth horizontal plane while the other is hung freely after passing over a smooth pulley, then the two blocks will have some motion.
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
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Digital Electronics Number Systems and Codes Online Test. The Digital Electronics Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Digital Electronics Question and Answers in English. Digital Electronics Online Mock test for Digital Electronics Number Systems and Codes Topic. Here we are providing Digital Electronics Number Systems and Codes Online Test Series in English. Check Digital Electronics Mock Test Series 2019.
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Convert the following binary number to decimal.
01011_{2}
Convert the binary number 1001.0010_{2} to decimal.
Decode the following ASCII message.
10100111010100101010110001001011001
01000001001000100000110100101000100
The voltages in digital electronics are continuously variable.
One hex digit is sometimes referred to as a(n):
Which of the following is the most widely used alphanumeric code for computer input and output?
If a typical PC uses a 20bit address code, how much memory can the CPU address?
Convert 59.72_{10} to BCD.
Convert 8B3F_{16} to binary.
Which is typically the longest: bit, byte, nibble, word?
Assign the proper odd parity bit to the code 111001.
Convert decimal 64 to binary.
Convert hexadecimal value C1 to binary.
Convert the following octal number to decimal.
17_{8}
How many binary digits are required to count to 100_{10}?
The BCD number for decimal 347 is ________.
The binary number for octal 45_{8} is ________.
The sum of 11101 + 10111 equals ________.
Convert the following binary number to decimal.
10011010_{2}
The decimal number 188 is equal to the binary number ________.
How many bits are in an ASCII character?
A binary number’s value changes most drastically when the ________ is changed.
Convert decimal 213 to binary.
The decimal number for octal 748 is ________.
The sum of the two BCD numbers, 0011 + 0011, is ________.
Convert binary 01001110 to decimal.
Which is not a word size?
The octal numbering system:
The binary number 1110 is equal to the decimal number ________.
Convert 1100101000110101_{2} to hexadecimal.
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Mechanical Engineering Thermodynamics Online Test. The Mechanical Engineering Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Mechanical Engineering Question and Answers in English. Mechanical Engineering Online Mock test for Mechanical Engineering Thermodynamics Topic. Here we are providing Mechanical Engineering Thermodynamics Online Test Series in English. Check Mechanical Engineering Mock Test Series 2019.
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All the commercial liquid fuels are derived from natural petroleum (or crude oil).
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
The efficiency and work ratio of a simple gas turbine cycle are
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called
There is a loss of heat in an irreversible process.
An adiabatic process is one in which
Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.
Which of the following is the lightest and most volatile liquid fuel?
The processes occuring in open system which permit the transfer of mass to and from the system, are known as
Which of the following has the minimum atomic mass?
Workdone in a free expansion process is
The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.
The compression ratio for petrol engines is
The efficiency of Diesel cycle approaches to Otto cycle efficiency when
The entropy __________ in an irreversible cyclic process.
The atomic mass of oxygen is
Carbonisation of coal consists of
The efficiency of Stirling cycle is __________ Carnot cycle.
According to GayLussac law for a perfect gas, p/T = constant, if v is kept constant.
There is no change in internal energy in an isothermal process.
The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.
Which of the following is correct?
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
Which of the following statement is incorrect?
Which of the following gas is mostly used in town for street and domestic lighting and heating?
The value of gas constant (R) in S. I. units is
In the first law of thermodynamics, the total energy of the system remains constant.
The efficiency of Diesel cycle increases with
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Civil Engineering Surveying Online Test. The Civil Engineering Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Civil Engineering Question and Answers in English. Civil Engineering Online Mock test for Civil Engineering Surveying Topic. Here we are providing Civil Engineering Surveying Online Test Series in English. Check Civil Engineering Mock Test Series 2019.
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Hydrographic surveys deal with the mapping of
An ideal vertical curve to join two gradients, is
Pick up the correct statement from the following :
The intercept of a staff
The radius of curvature of the arc of the bubble tube is generally kept
If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and subchord, in minutes, is equal to
The real image of an object formed by the objective, must lie
In chain surveying tie lines are primarily provided
Pick up the correct statement from the following :
One of the Lehmann’s rules of plane tabling, is
The accuracy of measurement in chain surveying, does not depend upon
Closed contours of decreasing values towards their centre, represent
Diopter is the power of a lens having a focal length of
An imaginary line joining the points of equal elevation on the surface of the earth, represents
The ‘fix’ of a plane table station with three known points, is bad if the plane table station lies
If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is
In chain surveying field work is limited to
Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is
One of the tacheometric constants is additive, the other constant, is
The limiting length of an offset does not depend upon
In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
Pick up the correct statement from the following:
Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following
While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is
Accuracy of ‘fix’ by two point problem, is
A bearing of a line is also known as
True meridians are generally preferred to magnetic meridians because
Pick up the correct statement from the following :
The most reliable method of plotting a theodolite traverse, is
The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to
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GATE Electronics and Communication Online Test Series 1. GATE 2019 EC Online Test, GATE Mock Test Exam 2019.GATE Electronics and Communication Full online mock test paper is free for all students. Take GATE 2019 Exams Online Test, GATE 2019 Quiz. GATE 2019 EC Series 1 online Test 2019 in English. Take GATE 2019 Mock Test in English from below, GATE Quiz 2019 Series 1. You may also find other Subjects GATE Online Test in this page. Here we provide Graduate Aptitude Test in Engineering Question and Answers 2019. This GATE EC Online test Series 1 is very helpful for exam preparation. The GATE Electronics and Communication Mock Test 2019 is now available for all candidates, who will be appearing in the national level engineering exams 2019. Now take GATE Electronics and Communication Online Test Series 1 by Click on Below “Start Quiz Button”
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is equal to
Consider a ufb system with forwardpath transfer function G (s) = . The system is stable for the range of K. Which of the following is correct?
G(s) = k(s+3)/s^4(s+2)
We can write as
G(s) = k(s+3)/(s^5+2s^4+ks+1)
The system is always unstable because s^{3} and s^{2} are missing here.
G(s) = k(s+3)/s^4(s+2)
We can write as
G(s) = k(s+3)/(s^5+2s^4+ks+1)
The system is always unstable because s^{3} and s^{2} are missing here.
The time signal corresponding to is
Option (1) is correct.
X (s) = 2 – 1 / (s+2) (s+3)
= 2 – 1 / (s+2) + 1 / (s+3)
X (t) = 2(t) + (e3t – e2t) u (t)
Option (1) is correct.
X (s) = 2 – 1 / (s+2) (s+3)
= 2 – 1 / (s+2) + 1 / (s+3)
X (t) = 2(t) + (e3t – e2t) u (t)
The characteristic equation of a closedloop system is s(s + 1)(s + 2) + k = 0. The centroid of the asymptotes in rootlocus will be
Option (2) is correct.
Sum of poles = 012 = 3
Sum of zeros = 0
Therefore, no. of poles – no.of zeros = N. of values for which response is infinite = 3 poles and none zeros. Hence,
Option (2) is correct.
Sum of poles = 012 = 3
Sum of zeros = 0
Therefore, no. of poles – no.of zeros = N. of values for which response is infinite = 3 poles and none zeros. Hence,
Given the z – transform X (z) = , the limit of x [∞] is
Option (1) is correct.
The function has poles at z = 1, 3/4 . Thus, the final value theorem applies.
= (z – 1)
Option (1) is correct.
The function has poles at z = 1, 3/4 . Thus, the final value theorem applies.
= (z – 1)
A MUX network is shown below.
The function Z1 is equal to 1 when
According to the circuit of MUXs: Z_{1} = 1 when Z_{0} = 0 otherwise Z_{1} is equal to 0. Z_{0} = 0 when b = 1, at this time a = 0. So, Z_{1} = a’ . b. c .
This is the correct answer. Also one cannot represent the operation of MUX in simple binary expression unless the conditions are met.
According to the circuit of MUXs: Z_{1} = 1 when Z_{0} = 0 otherwise Z_{1} is equal to 0. Z_{0} = 0 when b = 1, at this time a = 0. So, Z_{1} = a’ . b. c .
This is the correct answer. Also one cannot represent the operation of MUX in simple binary expression unless the conditions are met.
If (211)_{x} = (152)_{8}, the value of base x is
Option (3) is correct.
2x^{2} + x + 1 = 64 + 5 x 8 + 2
x = 7
Option (3) is correct.
2x^{2} + x + 1 = 64 + 5 x 8 + 2
x = 7
An ideal pn junction diode is operating in the forward bias region. The change in diode voltage, that will cause a factor of 9 increase in current, is
I_{d} = I_{s }
V_{1} – V_{2} = V_{t} In = 0.0259 In 10 = 59.6 mV ≈ 59mV
I_{d} = I_{s }
V_{1} – V_{2} = V_{t} In = 0.0259 In 10 = 59.6 mV ≈ 59mV
If the base width of a bipolar transistor is increased by a factor of 3, what is the collector current change?
We know
I_{c} =
I_{C }
So, if W_{B} increases by a factor of 3, then I_{C} is decreased by a factor of 3.
We know
I_{c} =
I_{C }
So, if W_{B} increases by a factor of 3, then I_{C} is decreased by a factor of 3.
For a nchannel enhancementmode MOSFET, the parameters are V_{TN} = 0.8 V, k’_{n} = 80 mA/V^{2} and W/L = 5. If the transistor is biased in saturation region with I_{D} = 0.5 mA, then required V_{GB} is
0.5 =
V_{GS} = + 0.8 = 2.38 V
0.5 =
V_{GS} = + 0.8 = 2.38 V
The value of the current measured by the ammeter in figure is
4i_{2} + 6i_{3} – 2i_{1} = 0
i_{1} + i_{2} = 2
i_{2} = 5 + i_{3}
i_{1} = 5/6 A
4i_{2} + 6i_{3} – 2i_{1} = 0
i_{1} + i_{2} = 2
i_{2} = 5 + i_{3}
i_{1} = 5/6 A
In the following lattice network, the value of R_{L} for the maximum power