All materials obey Hooke's law within elastic limit. When elastic limit is
reached, the tensile strain
(A) Increases very quickly
(B) Decreases very quickly
(C) Increases in proportion to stress
(D) Decreases in proportion to stress

1 Answer

Answer :

(A) Increases very quickly

Related questions

Description : As the elastic limit reaches, tensile strain (A) Increases more rapidly (B) Decreases more rapidly (C) Increases in proportion to the stress (D) Decreases in proportion to the stress

Last Answer : (A) Increases more rapidly

Description : Pick out the correct statement. (A) Materials exhibiting high elasticity obey Hooke's law (B) The elastic behaviour of rubber under compression is the same as its behaviour under tension (C) ... to its plastic deformation (D) The stress required to cause plastic flow in polycrystalline material is

Last Answer : Option B

Description : Hooke's law (A) Applies to elastic deformation (B) Applies beyond limit of proportionality in stress-strain curve (C) States that stress is inversely proportional to strain upto elastic limit (D) None of these

Last Answer : (A) Applies to elastic deformation

Description : The statement : stress is proportional to strain, i.e. the Hooke’s law holds good upto (a) Elastic Limit (b) Proportional Limit (c) Plastic Limit (d) Yield point

Last Answer : (b) Proportional Limit

Description : The law which states, "Within elastic limits strain produced is proportional to the stress producing  it", is known as  (A) Bernoulli's law  (B) Stress law  (C) Hooke's law  (D) Poisson's law

Last Answer : (C) Hooke's law 

Description : State Hooke’s law. Draw a labelled graph of tensile stress against tensile strain for a metal wire

Last Answer : State Hooke's law. Draw a labelled graph of tensile stress against tensile strain for a metal wire up ... the region in which Hooke's law is obeyed.

Description : cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is (A) 0 (B) 0.33 (C) 0.44 (D) 0.25

Last Answer : Option C

Description : Every material obeys the Hooke's law within its (A) Elastic limit (B) Plastic point (C) Limit of proportionality (D) None of these

Last Answer : (C) Limit of proportionality

Description : Every material obeys the Hooke’s law within (a) Elastic limit (b) Plastic limit (c) Limit of proportionality (d) None of these

Last Answer : c) Limit of proportionality

Description : Hooke’s law is applicable within (a)Elastic limit (b)Plastic limit (c)Fracture point (d) Ultimate strength

Last Answer : (a)Elastic limit

Description : At yield point' of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become ... stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin

Last Answer : the load has already exceeded the elastic limit and the material has become plastic

Description : Hooke's law states that A. the extension is proportional to the load when the elastic limit is not exceeded B. the extension is inversely proportional to the load when the elastic limit is not ... is independent of the load when the elastic limit is not exceeded D. load is dependent on extension

Last Answer : the extension is proportional to the load when the elastic limit is not exceeded

Description : State Hooke’s Law of elasticity. Define Elastic limit.

Last Answer : Hooke’s Law:- Within elastic limit, stress is directly proportional to strain.  Elastic limit: -It is the maximum value of the stress upto which the body shows elasticity.

Description : What is Hooke's Law? (1) Stress is inversely proportional to strain. (2) Stress is directly proportional to strain. (3) Stress and strain are dependent on each other. (4) Stress and strain are independent of each other.

Last Answer : (2) Stress is directly proportional to strain. Explanation: Hooke's law is a principle of physics that states that the force (F) needed to extend or compress a spring by some distance X scales linearly with respect to that distance.

Description : What is Hooke's Law? (1) Stress is inversely proportional to strain. (2) Stress is directly proportional to strain. (3) Stress and strain are dependent on each other. (4) Stress and strain are independent of each other.

Last Answer : (2) Stress is directly proportional to strain. Explanation: Hooke's law is a principle of physics that states that the force (F) needed to extend or compress a spring by some distance X scales linearly with respect to that distance.

Description : What is Hooke’s Law? (1) Stress is inversely proportional to strain. (2) Stress is directly proportional to strain. (3) Stress and strain are dependent on each other. (4) Stress and strain are independent of each other.

Last Answer : (2) Stress is directly proportional to strain. Explanation: Hooke’s law is a principle of physics that states that the force (F) needed to extend or compress a spring by some distance X scales linearly with respect to that distance.

Description : Hooke's law states that stress and strain are (A) Directly proportional (B) Inversely proportional (C) Curvilinearly related (D) None of these

Last Answer : (A) Directly proportional

Description : A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The ... and released. What is the kinetic energy of the mass as it passes through its equilibrium position? 

Last Answer : ANSWER: 90 JOULES

Description :  A certain spring is known to obey Hooke's Law. If a force of 10 newtons stretches the spring 2 meters, how far will a 30 newton force stretch the spring?

Last Answer : ANSWER: 6 METERS

Description : An elastic behaviour of materials is expressed in terms of (A) Hysteresis loop area (B) Stress-strain curve (C) Relaxation time

Last Answer : (C) Relaxation time

Description : What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it? (1) Elasticity (2) Strain (3) Elastic Limit (4) Stress

Last Answer : (3) Elastic Limit Explanation: The Maximum Extent to which a solid may be stretched without permanent alteration of size or shape.

Description : What is the maximum value of deforming force up to which a material shows elastic property and above which the material loses it? (1) Elasticity (2) Strain (3) Elastic Limit (4) Stress

Last Answer : (4) Elastic Limit Explanation: The Maximum Extent to which a solid may be stretched without permanent alteration of size or shape.

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum Principal stress theory (d) None

Last Answer : (c) Thirdly Maximum Principal stress theory

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Last Answer : (d) None

Description : Factor of safety for fatigue loading is the ratio of (a) elastic limit to the working stress (b) Young's modulus to the ultimate tensile strength (c) endurance limit to the working stress (d) elastic limit to the yield point

Last Answer : (c) endurance limit to the working stress

Description : Lead pipe is (A) Especially resistant to solutions containing H2SO4 (B) Usually joined by burning (e.g. by melting to adjacent pieces with a torch) (C) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C

Description : Cast iron has (A) Very high tensile strength (B) High ductility (C) High malleability (D) Elastic limit close to ultimate breaking strength

Last Answer : (D) Elastic limit close to ultimate breaking strength

Description : Cast iron has (A) High ductility (B) High malleability (C) Very high tensile strength (D) Its elastic limit very close to ultimate breaking strength

Last Answer : (D) Its elastic limit very close to ultimate breaking strength

Description : Cast iron is having very high (A) Proximity between its elastic limit and ultimate breaking strength (B) Ductility (C) Tensile strength (D) All (A), (B) and (C)

Last Answer : (A) Proximity between its elastic limit and ultimate breaking strength

Description : At yield point of a test piece, the material  (A) Obeys Hooke's law  (B) Behaves in an elastic manner  (C) Regains its original shape on removal of the load  (D) Undergoes plastic deformation 

Last Answer : (D) Undergoes plastic deformation 

Description : Muller Breslau's principle for obtaining influence lines is applicable to (i) Trusses (ii) Statically determinate beams and frames (iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law (iv ... B) (i), (ii) and (iv) (C) (i) and (ii) (D) Only (i)

Last Answer : (A) (i), (ii) and (iii)

Description : Modulus of elasticity is defined as: A. The stress at the proportional limit B. The stress-strain ratio within the proportional limit

Last Answer : B. The stress-strain ratio within the proportional limit

Description : Proportional to the distortion of the stress within the elastic limit. Whose formula is this?

Last Answer : Proportion of stress distortion within the elastic limit. This is Robert Hooke's formula.

Description : Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the (A) Ultimate tensile strength (U.T.S.) (B) Endurance limit (C) Elastic limit (D) None of these

Last Answer : (B) Endurance limit

Description : Fatigue resistance of a material is measured by the (A) Elastic limit (B) Ultimate tensile strength (C) Young's modulus (D) Endurance limit

Last Answer : (D) Endurance limit

Description : When tensile stress is applied axially on a circular rod its (a)diameter decreases (b)length increases (c)volume decreases (d)Which of the above are true?

Last Answer : (c)volume decreases

Description : Total strain energy theory for the failure of a material at elastic limit, is known  (A) Guest's or Trecas' theory  (B) St. Venant's theory  (C) Rankine's theory  (D) Haig's theory 

Last Answer : (D) Haig's theory 

Description : Shear strain energy theory for the failure of a material at elastic limit, is due to  (A) Rankine  (B) Guest or Trecas  (C) St. Venant  (D) Von Mises

Last Answer : (D) Von Mises

Description : Maximum strain theory for the failure of a material at the elastic limit, is known as  (A) Guest's or Trecas' theory  (B) St. Venant's theory  (C) Rankine's theory  (D) Haig's theory 

Last Answer : (B) St. Venant's theory

Description : The minimum strain at failure in the tensile reinforcement (Fy = 400 MPa) of RCC beam as per limit state method is (a) 0.0020 (b) 0.0028 (c) 0.0037 (d) 0.0045

Last Answer : (c) 0.0037

Description : The resistance to fatigue of a material is measured by (a) elastic limit (b) Young's modulus (c) ultimate tensile strength (d) endurance limit

Last Answer : (d) endurance limit

Description : Distortion or change in shape of a cast partial denture clasp during its clinical use probably indicates that the: A. Ductility was too low B. Hardness was too great C. Ultimate tensile strength was too low D. Tension temperature was too high E. Elastic limit was exceeded

Last Answer : E. Elastic limit was exceeded

Description : The ratio of lateral strain to axial strain of a homogeneous material, is known  (A) Yield ratio  (B) Hooke's ratio  (C) Poisson's ratio  (D) Plastic ratio 

Last Answer : (C) Poisson's ratio 

Description : Metal Steel is more elastic than rubber because _____. A. Its density is high B. It is a metal C. Ratio of stress to strain is more D. Ratio of stress to strain is less

Last Answer : ANSWER: C

Description : Steel is more elastic than rubber because _____. A. Its density is high B. It is a metal C. Ratio of stress to strain is more D. Ratio of stress to strain is less

Last Answer : ANSWER: C

Description : The elastic stress strain behavior of rubber is A. Linear B. Nonlinear C. Plastic D. No fixed relationship

Last Answer : B. Nonlinear

Description : The ratio of shear stress and shear strain of an elastic material, is  (A) Modulus of Rigidity  (B) Shear Modulus  (C) Modulus of Elasticity  (D) Both (a) and (b) 

Last Answer : (D) Both (a) and (b) 

Description : Pick up the correct statement from the following: (A) The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance (B) In visco ... (C) An orthotropic material has different properties in three mutually perpendicular directions (D) All the above

Last Answer : (D) All the above

Description : The modulus of rigidity is the ratio of (1) Longitudinal stress to longitudinal strain (2) Volume stress to volume strain (3) Shearing stress to shearing strain (4) Tensile stress to tensile strain

Last Answer : (3) Shearing stress to shearing strain Explanation: In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S , is defined as the ratio of shear stress to the shear ... the case of an object that's shaped like a rectangular prism, it will deform into a parallelepiped.

Description : Young's modulus is defined as A. tensile strain/tensile stress B. tensile stress/tensile strain C. tensile stress × tensile strain D. length/area

Last Answer : tensile stress/tensile strain