Description : The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the (A) Resilience (B) Toughness (C) Ductility (D) Impact strength
Last Answer : (A) Resilience
Description : The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called (A) Resilience (B) Toughness (C) Ductility (D) Impact strength
Description : The ability of a material to absorb energy in the elastic range is a measure of its (A) Toughness (B) Resilience (C) Malleability (D) Brittleness
Last Answer : (B) Resilience
Description : Which of the following facts are true for resilience? a) Ability of material to absorb energy when deformed elastically b) Ability to retain deformation under the application of load or after removal ... c) Ability of material to absorb energy when deformed plastically d) None of the mentioned
Last Answer : a) Ability of material to absorb energy when deformed elastically
Description : Amount of energy that a material can absorb before its fracture is a measure of its (A) Toughness (B) Resilience (C) Malleability
Last Answer : (A) Toughness
Description : Slow and progressive deformation of a material with time under constant stress is called (A) Creep (B) Erosion (C) Resilience (D) None of these
Last Answer : (A) Creep
Description : The ability of a material to offer resistance to scratching or indentation is a measure of its (A) Brittleness (B) Toughness (C) Hardness (D) Resilience
Last Answer : (C) Hardness
Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility
Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility
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 : The ability of materials to develop a characteristic behavior under repeated loading known as ___________ a) Toughness b) Resilience c) Hardness d) Fatigue
Last Answer : d) Fatigue
Description : Slow plastic deformation of metals under a constant stress is termed as __________ failure. (A) Fatigue (B) Endurance (C) Creep (D) None of these
Last Answer : (C) Creep
Description : While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation
Last Answer : A) Low impact strength
Description : The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the (A) Fatigue strength (B) Creep strength (C) Resilience (D) Endurance limit
Last Answer : D) Endurance limit
Description : Percentage elongation of a material is a measure of its (A) Ductility (B) Brittleness (C) Toughness (D) Malleability
Last Answer : (A) Ductility
Description : On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is (A) Creep (B) Toughness (C) Tensile strength (D) Fatigue
Last Answer : (B) Toughnes
Description : Pick out the correct statement. (A) Hot worked materials are subjected to annealing to remove internal stresses (B) Annealing of steel hardens it slightly (C) Normalising of a material induces stresses (D) Tempering of a material improves ductility & toughness but reduces hardness & brittleness
Last Answer : (D) Tempering of a material improves ductility & toughness but reduces hardness & brittleness Share
Description : Resilience is defined as the property of material to absorb energy when deformed _________ and to release this energy when unloaded. a) Elastically b) Plastically c) Up to fracture point d) None of the listed
Last Answer : a) Elastically
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 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 : 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 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 percentage elongation and the percentage reduction in area depends upon (a) Tensile strength of the material (b) Ductility of the material (c) Toughness of the material (d) None of these
Last Answer : B
Description : Most important property of steels for use in automobile bodies is the (A) Formability (B) Yield strength (C) Toughness (D) Resilience
Last Answer : (A) Formability
Description : Presence of nickel & chromium in steel does not raise its (A) Elastic limit (B) Machining properties (C) Ductility (D) Resilience Answer: Option A
Description : The formation of oxide film on a metal due to atmospheric exposure reduces its (A) Toughness (B) Stiffness (C) Creep limit (D) All (A), (B) & (C)
Last Answer : (C) Creep limit
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 : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld
Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
Description : Which of the following property is essential for spring materials? (A) Stiffness (B) Ductility (C) Resilience (D) Plasticity
Last Answer : (C) Resilience
Description : The shafts are designed on the basis of a. strength and rigidity. b. ductility. c. malleablility. d. resilience.
Last Answer : a. strength and rigidity.
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 : Percentage elongation during tensile test is indication of (a) Ductility (b) Malleability (c) Creep (d) Rigidity
Last Answer : (a) Ductility
Description : Deformation that occurs due to stress over a period of time is known as ____________ a) Wear resistance b) Fatigue c) Creep d) Fracture
Last Answer : c) Creep
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 : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature
Last Answer : (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal
Description : Hot & cold working of material causes its __________ deformation. (A) Visco-elastic (B) Isotropic (C) Elastic (D) Plastic
Last Answer : (D) Plastic
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 : Which of the following is not a characteristic observed in material failure by fatigue fracture? (A) Plastic deformation of material does not occur (B) Initiation of crack from below the surface does ... (D) Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Description : The ability of the material to deform without breaking is called (a) Elasticity (b) Plasticity (c) Creep (d) None of these
Last Answer : (b) Plasticity
Description : The ability of a material to be formed by hammering or rolling is known as _________ a) Malleability b) Ductility c) Harness d) Brittleness
Last Answer : a) Malleability
Description : Property of material which allows it to be drawn out into wires is (A) Ductility. (B) Solder ability. (C) Super conductivity. (D) Malleability.
Last Answer : (A) Ductility.
Description : Ability of a material to __________ is indicated by its damping capacity. (A) Withstand compression (B) Absorb vibration (C) Absorb shock (D) None of these
Last Answer : (B) Absorb vibration
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 : …. is the property of a material which enables it to resist plastic deformation.
Last Answer : …. is the property of a material which enables it to resist plastic deformation. (A) elasticity (B) plasticity (C) hardness (D) ductility
Description : The material in which large deformation is possible before absolute failure by rupture takes place, is known as (a) Ductile (b) Plastic (c) Brittle (d) Elastic
Last Answer : Ductile
Description : For joints in service in the creep range which of the following is recommended by ASME B16.5? a) Replacement of the joint after 1,000,000 hours of service. b) Periodic tightening of ... the material operates in the creep range. d) Regular flow detection inspection of the piping to fitting welds.
Last Answer : b) Periodic tightening of the bolts to prevent leakage.
Description : Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? (A) Ethylene glycol (B) Stearic acid estors (C) Tricresyl phosphate (D) Esters of phthalic acid
Last Answer : (A) Ethylene glycol
Description : The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the (A) Ability to absorb shock (B) Capacity to store energy (C) Ratio of the wire & coil diameters (D) Load to produce unit deflection
Last Answer : Option D
Description : Wrought iron does not have (A) Uniform strength in all directions (B) Ability to hold protective coating (C) High ductility & corrosion resistance (D) Easily weldable characteristics
Description : An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonian fluid beyond yield stress. Which of the following is an ideal plastic? (A) Sewage sludge (B) Rubber latex (C) Blood (D) Sugar solution
Last Answer : (A) Sewage sludge
Description : The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as (A) Rigid (B) Tough (C) Ductile (D) Plastic
Last Answer : Option C