Description : The property of a material by which it can be drawn to a smaller section by applying a tensile load is called (a) Elasticity (b) Plasticity (c) Ductility (d) Malleabilityy
Last Answer : (c) Ductility
Description : The property of a material by which it can be beaten or rolled into thin sheets, is called (a) Elasticity (b) Plasticity (c) Ductility (d) Malleability
Last Answer : (d) Malleability
Description : The property of the material which allows it to be drawn into smaller section (a) Plasticity (b) Ductility (c) Elasticity (d) Malleability
Last Answer : (b) Ductility
Description : The phenomenon in which slow extension of material takes place with the time at constant load is called (A) Plasticity (B) Creep (C) Elasticity (D) Ductility
Last Answer : (B) Creep
Description : In the relation ( T/J = Gθ/L = τ/ R), the letter G denotes modulus of ______ a. elasticity b. plasticity c. rigidity d. resilience
Last Answer : c. rigidity
Description : Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these
Last Answer : (C) Easily deform under pressure at high temperature
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 : Presence of manganese in alloy steel improves its (A) Corrosion resistance (B) Cutting ability (C) Abrasion resistance & toughness (D) Elasticity & creep resistance
Last Answer : (C) Abrasion resistance & toughness
Description : Elongation of a bar of uniform cross section of length ‘L’, due to its own weight ‘W’ is given by a. 2WL/E b. WL/E c. WL/2E d. WL/3E Where, E=Young’s modulus of elasticity of material
Last Answer : c. WL/2E
Description : The stress at which extension of a material takes place more quickly as compared to increase in load, is called (a) No elastic zone (b) Plastic point (c) Yield point (d) Breaking point
Last Answer : (c) Yield point
Description : Brittleness is opposite to (a) Toughness (b) Plasticity (c) Malleability (d) None of these
Last Answer : b) Plasticity
Description : Percentage elongation during tensile test is indication of (a) Ductility (b) Malleability (c) Creep (d) Rigidity
Last Answer : (a) Ductility
Description : A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called (A) Plasticity of the ... ) Elasticity of the metal (C) Fatigue of the metal (D) Workability of the metal
Last Answer : (C) Fatigue of the metal
Description : The property of a material by which it can be beaten or rolled into thin plates, is called (A) Malleability (B) Ductility (C) Plasticity (D) Elasticity
Last Answer : (A) Malleability
Description : The property of a material by which it can be drawn to a smaller section, due to tension, is called (A) Plasticity (B) Ductility (C) Elasticity (D) Malleability
Last Answer : (B) Ductility
Description : A material is able to retain the deformation permanently by virtue of its (A) Elasticity (B) Plasticity (C) Ductility (D) Malleability
Last Answer : (B) Plasticity
Description : The permanent mode of deformation of a material known as _____________ a) Elasticity b) Plasticity c) Slip deformation d) Twinning deformation
Description : When stress is increased beyond elastic limit and material is permanently changed this property is a) Permanent stress b) Elasticity c) Yield strength d) Plasticity
Last Answer : d) Plasticity
Description : The ratio of lateral strain to linear strain is called (a) Modulus of Elasticity (b) Modulus of Rigidity (c) Bulk Modulus (d) Poisson’s Ratio
Last Answer : (d) Poisson’s Ratio
Description : The deformation per unit length is called (a) Strain (b) Stress (c) Elasticity (d) None of these
Last Answer : (a) Strain
Description : A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the ... /mm², calculate the initial nip. (a) 26.8mm (b) 24.9mm (c) 22.5mm (d)23.1mm
Last Answer : b) 24.9mm
Description : 18.The total extension of a taper rod of length ‘L’ and end diameters ‘D1’ and ‘D2’, subjected to a load (P), is given of a. 4PL/ΠE. D1D2 b. 3PL/ΠE. D1D2 c. 2PL/ΠE. D1D2 d. PL/ΠE.D1D2 Where E=Young’s modulus of elasticity
Last Answer : a. 4PL/ΠE. D1D2
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 : 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 : Ability of a material to absorb energy in deformation in the plastic range is characterised as its (A) Ductility (B) Toughness (C) Creep (D) Resilience
Last Answer : (B) Toughness
Description : Rapture stress is (a) Breaking stress (b) Load at the braking point/A (c) Load at the breaking point/Neck area (d) Maximum Stress
Last Answer : (c) Load at the breaking point/Neck area
Description : Breaking stress is (a) greater than the ultimate stress (b) Less than the ultimate stress (c) equal to the ultimate stress (d) None
Last Answer : (a) greater than the ultimate stress
Description : The property by which a body returns to its original shape after removal of the force, is called (A) Plasticity (B) Elasticity (C) Ductility (D) Malleability
Last Answer : (B) Elasticity
Description : Distinguish between elasticity and plasticity.
Last Answer : Distinguish between elasticity and plasticity.
Description : Vulcanisation of rubber does not increase its (A) Elasticity (B) Plasticity (C) Ductility (D) None of these
Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity
Last Answer : (D) Converts its plasticity into elasticity
Description : Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its (A) Elasticity (B) Strength (C) Plasticity (D) Weathering characteristics
Last Answer : (D) Weathering characteristics
Description : Which of the following is measure of stiffness? a) Modulus of elasticity b) Modulus of plasticity c) Resilience d) Toughness
Last Answer : a) Modulus of elasticity
Description : The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________ a) Perfectly elastic b) Delayed elasticity c) Inelastic effect d) Plasticity
Last Answer : a) Perfectly elastic
Description : Which one of the following statements is not correct with respect to PSC beams? (a) Loss due to shrinkage is proportional to water-cement ratio used in concrete (b) Loss due to creep is ... to the modulus of elasticity of concrete (d) Loss due to friction occurs in post tensioned concrete members
Last Answer : (c) Loss due to elastic deformation is directly proportionally to the modulus of elasticity of concrete
Description : Strength of a shaft a. Is equal to maximum shear stress in the shaft at the time of elastic failure b. Is equal to maximum shear stress in the shaft at the time of rupture c. Is equal to torsional rigidity d. Is ability to resist maximum twisting moment
Last Answer : d. Is ability to resist maximum twisting moment
Description : Which property is not required for shaft materials? a. High shear and tensile strength b. Good mach inability c. High fatigue strength d. Good cast ability
Last Answer : d. Good cast ability
Description : The ability of a material to resist plastic deformation known as _____________ a) Tensile strength b) Yield strength c) Modulus of elasticity d) Impact strength
Last Answer : b) Yield strength
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 : Which of the following are true about plasticity? a) Permanent Deformation b) Ability to retain deformation under load or after removal of load c) Plastic deformation is greater than elastic deformation d) All of the mentioned
Last Answer : d) All of the mentioned
Description : The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength. (A) Creep (B) Endurance (C) Fatigue (D) None of these
Last Answer : Option A
Description : The truss element can deform only in the a.vertical direction b.horizontal direction c.inclined direction d.axial direction
Last Answer : d.axial direction
Description : The fire shows - my kin, born. The fire grows - my kin, adorn. The fire slows - my kin, deform. The fire goes - my kin, mourn. -Riddles
Last Answer : Fruit-bearing tree through the four seasons.
Description : Strain energy of any member may be defined as work done on it (A) To deform it (B) To resist elongation (C) To resist shortening (D) All the above
Last Answer : (D) All the above
Description : What area of car is designed to deform in a collision ? a) Crumple zone b) Interior zone c) Doors d) Rear end
Last Answer : a) Crumple zone
Description : What area of car is designed to deform in a collision? a) The crumple zone b) The interior c) The doors d) The rear end
Last Answer : a) The crumple zone
Description : The material used for making torsion bar is (a) Steel (b) Cast iron (c) High carbon steel (d) All of the above
Last Answer : (a) Steel
Description : The most important property for the spring material is (a) High elastic limit (b) High deflection value (c) Resistance to fatigue and shock (d) All of these
Last Answer : (d) All of these
Description : The spring constant of a helical compression spring does not depend on a. Coil diameter b. Material strength c. Number of active turns d. wire diameter
Last Answer : b. Material strength