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The unit of Young’s modulus is__________________?
Related MCQs
It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called__________?
Modulus of rigidity is defined as the ratio of__________?
The ultimate tensile stress of mild steel compared to ultimate compressive stress is__________?
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under__________?
If the radius of wire stretched by a load is doubled, then its Young’s modulus will be__________?
Tensile strength of a material is obtained by dividing the maximum load during the test by the__________?
The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length__________?
The intensity of stress which causes unit strain is called__________?
During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is__________?
Which of the following has no unit __________?
In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is__________?
Which of the following materials is most elastic__________?
The value of Poisson’s ratio for steel is between__________?
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight__________?
The materials which exhibit the same elastic properties in all directions are called__________?
The property of a material which allows it to be drawn into a smaller section is called__________?
For which material the Poisson’s ratio is more than unity__________?
The change in the unit volume of a material under tension with increase in its Poisson’s ratio will __________?
If a material expands freely due to heating it will develop __________?
The stress necessary to initiate yielding is__________?
The stress developed in a material at breaking point in extension is called__________?
The elasticity of various materials is controlled by its__________?
The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to__________?
The internal reaction in bottom 80 cm length will be__________?
When it is indicated that a member is elastic, it means that when force is applied, it will__________?
Resilience of a material is considered when it is subjected to__________?
The total strain energy stored in a body is termed as__________?
A material capable of absorbing large amount of energy before fracture is known as__________?
The stress induced in a body due to suddenly applied load compared to when it is applied gradually is__________?
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur __________?
The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be __________?
In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the__________?
Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in__________?
A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as__________?
If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________?
Rivets are made of following type of material__________?
The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is__________?
A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be__________?
Longitudinal stress in a thin cylinder is__________?
The torsional rigidity of a shaft is expressed by the__________?
A key is subjected to side pressure as well at shearing forces. These pressures are called__________?
Shear stress induced in a shaft subjected to tension will be__________?
A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is__________?
Coulomb friction is the friction between__________?
The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to__________?
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________?
A single force and a couple acting in the same plane upon a rigid body__________?
The maximum frictional force which comes into play when a body just begins to slide over another surface is called__________?
The necessary condition for forces to be in equilibrium is that these should be__________?
If n = number of members andy = number of joints, then for a perfect frame, n =__________?
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to__________?
The unit of Young’s modulus is__________________?
A. mm/mm
B. kg/cm
C. kg
D. kg/cm2
E. kg cm2
Correct Answer:
kg/cm
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Last Updated:
January 25, 2019