Description : Tensile Strain is (a)Increase in length / original length (b)Decrease in length / original length (c)Change in volume / original volume (d)All of the above
Last Answer : (a)Increase in length / original lengt
Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending
Last Answer : [ C ] The strain at different points in the section will be same
Description : Ratio of tensile to strain is A. Young's modulus B. stress C. stiffness D. tensile force
Last Answer : Young's modulus
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
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 : 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 : shearing stress to shearing strain
Description : When the helical compression spring is subjected to axial compressive force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Last Answer : (D) Torsional shear stress
Description : Tensile stress is equal to A. Force per unit area B. Force per unit volume C. Extension per unit length D. Extension per unit area
Last Answer : Force per unit area
Description : The phenomenon of slow growth of strain under a steady tensile stress, is called (A) Yielding (B) Creeping (C) Breaking (D) None of these
Last Answer : (B) Creeping
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 : 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
Last Answer : (A) Increases very quickly
Description : The principal strain due to σ1(tensile) and σ2 (Compressive ) stress is (a) Firstly (b)Secondly (c)Thirdly (d) None
Last Answer : (b)Secondly
Description : Due to constant use both inlet and exhaust valves and their seats subjected to a) stress wear b) strain wear c) mechanical wear d) tensile wear
Last Answer : c) mechanical wear
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 : Stress strain curve of high tensile steel (A) Has a definite yield point (B) Does not show definite yield point but yield point is defined by 0.1% proof stress (C) Does not show definite yield ... proof stress (D) Does not show definite yield point but yield point is defined by 2% proof stress,
Last Answer : Answer: Option C
Description : The strain due to tensile stress is : a) Compressive strain b) Shear strain c) Volumetric strain d) Tensile strain
Last Answer : d) Tensile strain
Description : Bulk modulus of elasticity is a. Tensile stress / Tensile strain b. Shear stress / Shear strain c. Tensile stress / Shear strain d. Normal stress on each face of cube / Volumetric strain
Last Answer : d. Normal stress on each face of cube / Volumetric strain
Description : Modulus of rigidity is (a)Tensile stress / Tensile strain (a)Shear stress / Shear strain (a)Tensile stress / Shear strain (a)Shear stress / Tensile strain
Last Answer : (a)Shear stress / Shear strain
Description : Young’s Modulus of elasticity is (a)Tensile stress / Tensile strain (b)Shear stress / Shear strain (c)Tensile stress / Shear strain (d)Shear stress / Tensile strain
Last Answer : a)Tensile stress / Tensile strain
Description : Volumetric Strain is (a)Increase in length / original length (b)Decrease in length / original length (c)Change in volume / original volume (d)All of the above
Last Answer : C is correct
Description : Compressive Strain is (a)Increase in length / original length (a)Decrease in length / original length (c)Change in volume / original volume (d)All of the above
Last Answer : (a)Decrease in length / original length
Description : The compression in steel (fS) at failure for Fe - 415 grade steel using stress-strain curve shall be [ A ] 0.87 fy [ B ] 0.75 fy [ C ] 0.45 fy [ D ] 0.55 fy
Last Answer : [ B ] 0.75 fy
Description : The stress-strain curve concrete in compression follows [ A ] a straight line [ B ] a rectangular parabolic curve [ C ] a semi circular arc [ D ] a cubic parabola
Last Answer : [ B ] a rectangular parabolic curve
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 : The ability of a body to return to its original shape is called: a) Plasticity b) Elasticity c) Strain d) Stress
Last Answer : b) Elasticity
Description : If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is: (A) (1 - C)mf - eE B) (C - 1)mf + eE (C) (C - 1)mf - eE (D) (1 - C)mf + eE
Last Answer : Answer: Option B
Description : What is the strain in a cable of original length 50m whose length increases by 2.5cm when a load is lifted?
Last Answer : What is the strain in a cable of original length 50m whose length increases by 2.5cm when a load is lifted?
Description : In an all weld tensile test, the original specimen gauge length was 50mm, and after the test the increased gauge length was 65mm, what is the elongation percentage? a) % A is 40 b) % A is 60 c) % A is 30 d) % A is 36
Last Answer : c) % A is 30
Description : When a gas or a liquid is subjected to an increased pressure, the substance contracts, the bulk strain is defined as A. final volume ⁄ original volume B. final pressure ⁄ original pressure C. change in volume ⁄ original volume D. original volume ⁄ change in volume
Last Answer : change in volume ⁄ original volume
Description : The graphical representation of variation of axial load on y axis and position of cross section along x axis is called as _____ (a) Bending moment diagram (b) Shear force diagram (c) Stress-strain diagram (d) Trust diagram
Last Answer : (d) Trust diagram
Description : The deformation per unit length is called (a) Strain (b) Stress (c) Elasticity (d) None of these
Last Answer : (a) Strain
Description : When stress changes the length of a body it is called a) Tensile stress b) Shear stress c) Compressive stress d) Yield stress
Last Answer : a) Tensile stress
Description : Energy in deformed solid is called A. stress energy B. potential energy C. kinetic energy D. strain energy
Last Answer : strain energy
Description : The point on stress-strain curve at which strain begins to increase even without increase in stress is called……
Last Answer : The point on stress-strain curve at which strain begins to increase even without increase in stress is called ... (C) breaking point (D) neck point
Description : When the helical extension spring is subjected to axial tensile force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Description : If a flat plate with a circular hole is subjected to tensile force, then its theoretical stress concentration factor is? a) 2 b) 3 c) 4 d) 1
Last Answer : b) 3
Description : A pre-stressed concrete member is preferred because (A) Its dimensions are not decided from the diagonal tensile stress (B) Large size of long beams carrying large shear force need not be adopted (C) Removal of cracks in the members due to shrinkage (D) All the above
Last Answer : Answer: Option D
Description : While designing screw threads, adequate length of engaged threads between the screw and nut is provided so as to prevent failure of threads due to (A) Direct shear stress (B) Torsional shear stress (C) Tensile stress (D) Compressive stress
Last Answer : (A) Direct shear stress
Description : The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is (A) 1/8 (B) 1/4 (C) 1/2 (D) 1/3
Last Answer : (C) 1/2
Description : The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is (A) 1/2 (B) 2/3 (C) 1/4 (D) 1/3
Last Answer : (B) 2/3
Description : If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by (A) ft .d/4fb (B) ( /4). (ft .d/fb) (C) ft .d²/fb (D) ( /4). (ft .d 3 /fb)
Last Answer : Answer: Option A
Description : If tensile stress of a steel rod of diameter is 1400 kg/cm2 and bond stress is 6 kg/cm2 , the required bond length of the rod is (A) 30 D (B) 39 D (C) 50 D (D) 59 D
Last Answer : (D) 59 D
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 : 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 : The Modulus of Elasticity for a material refers to: w) the ability of a material to resist corrosion x) the ratio of stress over strain y) the maximum load over the cross sectional area z) none of the above
Last Answer : ANSWER: X -- THE RATIO OF STRESS OVER STRAIN
Description : Bulk modulus of a fluid is the ratio of (A) Shear stress to shear strain (B) Increase in volume to the viscosity of fluid (C) Increase in pressure to the volumetric strain (D) Critical velocity to the viscosity of fluid
Description : Maximum principal strain is equal to when σ1 and σ2 are tensile (a) (σ1 –μσ2)/E (b) (σ1 + μσ2)/E (c) (–σ1 –μσ2)/E (d) None
Last Answer : (a) (σ1 –μσ2)/E