Related Questions
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4
The neutral axis of the cross-section a beam is that axis at which the bending stress is
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4
The value of shear stress which is induced in the shaft due to the applied couple varies
A. From maximum at the centre to zero at the circumference
B. From zero at the centre to maximum at the circumference
C. From maximum at the centre to minimum at the circumference
D. From minimum at the centre to maximum at the circumference
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4
The deformation per unit length is called
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4
A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m, and then the hoop stress will be
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4
The stress at which extension of the material takes place more quickly as compared to the increase in load is called
A. Elastic point of the material
B. Plastic point of the material
C. Breaking point of the material
D. Yielding point of the material
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4
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.
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4
One kilowatt is equal to
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The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.
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The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.
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When shear force at a point is zero, then bending moment is _________ at that point.
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4
When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, then
A. The stress and strain induced is compressive
B. The stress and strain induced is tensile
C. Both A and B is correct
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4
For a simply supported beam of length l, when a concentrated load W is applied in the centre of the beam, the maximum deflection is
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4
The materials having same elastic properties in all directions are called
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The entropy __________ in an irreversible cyclic process.
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A definite area or a space where some thermodynamic process takes place is known as
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A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
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The bending moment at a point on a beam is the algebraic ________ of all the moments on either side of the point.
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4
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by
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4
The heat energy stored in the gas and used for raising the temperature of the gas is known as
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4
Which of the following materials is most elastic?
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4
For the same compression ratio, the efficiency of dual combustion cycle is
A. Greater than Diesel cycle and less than Otto cycle
B. Less than Diesel cycle and greater than Otto cycle
C. Greater than Diesel cycle
D. Less than Diesel cycle
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4
The value of Poisson's ratio for steel is between
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4
The heating of gas at constant volume is governed by
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4
Tensile strength of a material is obtained by dividing the maximum load during the test by the
A. Area at the time of fracture
B. Original cross-sectional area
C. Average of (A) and (B)
D. Minimum area after fracture
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4
The stress developed in a material at breaking point in extension is called
D. Ultimate tensile stress
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4
The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, is
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4
Which of the following statement is incorrect?
A. The liquid fuels consist of hydrocarbons.
B. The liquid fuels have higher calorific value than solid fuels.
C. The solid fuels have higher calorific value than liquid fuels.
D. A good fuel should have low ignition point.
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4
Which of the following is correct?
A. Absolute pressure = Gauge pressure + Atmospheric pressure
B. Gauge pressure = Absolute pressure + Atmospheric pressure
C. Atmospheric pressure = Absolute pressure + Gauge pressure
D. Absolute pressure = Gauge pressure - Atmospheric pressure
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4
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
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The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates, and σt, τ and σc = Permissible tensile, shearing and crushing stresses respectively)