Related Questions
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4
The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of
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4
Flow stress corresponds to
C. Plastic deformation of solids
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4
The ratio of the largest load in a test to the original cross-sectional area of the test piece is called
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4
Modular ratio of two materials is the ratio of
C. Shear stress and shear strain
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4
A riveted joint in which the number otrivets decrease from innermost to outer most rows is called
C. Crisscross riveted joint
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4
Resilience of a material is considered when it is subjected to
A. Frequent heat treatment
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4
Which of the following gas has a minimum molecular mass?
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4
A shaft revolving at ω rad/s transmits torque (T) in Nm. The power developed is
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4
When a gas is heated at constant pressure
A. Its temperature will increase
B. Its volume will increase
C. Both temperature and volume will increase
D. Neither temperature not volume will increase
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4
One Joule (J) is equal to
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4
The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
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4
During which of the following process does heat rejection takes place in Carnot cycle?
C. Isothermal compression
D. Isentropic compression
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The stress induced in a body due to suddenly applied load compared to when it is applied gradually is
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The calorific value of gaseous fuel is expressed in
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The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by
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4
The efficiency of Diesel cycle depends upon
D. Cut-off ratio and compression ratio
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4
The unit of energy is S. I. units is
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In S. I. units, the value of the universal gas constant is
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Which of the following has the highest calorific value?
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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
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4
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
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4
A masonry dam may fail due to
A. Tension in the masonry of the dam and its base
B. Overturning of the dam
C. Crushing of masonry at the base of the dam
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4
If the slenderness ratio for a column is 100, then it is said to be a _________ column.
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The radius of the Mohrs circle in the given figure is equal to
A. Sum of two principal stresses
B. Difference of two principal stresses
C. Half the sum of two principal stresses
D. Half the difference of two principal stresses
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4
For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
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4
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
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4
The absolute zero pressure will be
A. When molecular momentum of the system becomes zero
C. At the temperature of - 273 K
D. At the centre of the earth
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4
If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement of the rivets is called
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4
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)
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Elasticity of Mild Steel specimen is defined by