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 : Percentage elongation of a material is a measure of its (A) Ductility (B) Brittleness (C) Toughness (D) Malleability
Last Answer : (A) Ductility
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 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 : Which of the following properties is generally found, in non-metals?' (1) Brittleness (2) Conductivity (3) Ductility (4) Malleability
Last Answer : (1) Brittleness Explanation: An important physical property of non metals is that they are brittle and hence cannot be beaten into sheets or drawn into wires. In other words, non-metals are non-malleable and non-ductile. Where stress is applied on nonmetals, they shatter into pieces.
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 : Which of the following properties is generally found in nonmetals? (1) Brittleness (2) Conductivity (3) Ductility (4) Malleability
Last Answer : Brittleness
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 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 : Percentage elongation during tensile test is indication of (a) Ductility (b) Malleability (c) Creep (d) Rigidity
Last Answer : (a) Ductility
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 : 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 : 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 : 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 : 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 : __________ is the property of a soil to undergo large deformations when stressed, without cracking or crumbling due to the lubricating effect of the water films between adjacent particles. a. Bending b. Malleability c. Ductility d. Plasticity
Last Answer : d. Plasticity
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 : 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 bearing metal should not have (A) Enough plasticity (B) Low thermal conductivity (C) Low co-efficient of friction (D) High toughness
Last Answer : (B) Low thermal conductivity
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 : Toughness index is defined as the ratio of (A) Plasticity index to consistency index (B) Plasticity index to flow index (C) Liquidity index to flow index (D) Consistency index to liquidity index
Last Answer : (B) Plasticity index to flow index
Description : The plasticity of fine soils may be assessed by means of (A) Dry strength test (B) Toughness test (C) Dilatancy test (D) All of these
Last Answer : Answer: Option D
Description : A shaft is said to be in pure torsion if a. Turning moment is applied at one end and other end is free b. Turning force is applied at one end and other end is free c. Two opposite turning moments are applied to the shaft d. Combination of torsional load and bending load is applied to the shaft
Last Answer : c. Two opposite turning moments are applied to the shaft
Description : When a section is subjected to two equal and opposite forces tangentially to the section, the stress produced is known as (a) Tensile stress (b) Lateral stress (c) Shear stress (d) No stress
Last Answer : (c) Shear stress
Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness
Last Answer : (D) Hardness, rigidity & brittleness
Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness
Last Answer : (C) Elastometric
Description : With increase in carbide/graphite ratio in cast iron, its (A) Hardness & brittleness increases (B) Ductility decreases (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Cast iron has very high (A) Compressive strength (B) Ductility (C) Shock resistance (D) Resistance to brittleness
Last Answer : (A) Compressive strength
Description : Molybdenum steels containing 0.15 to 0.40% molybdenum (A) Are prone to temper brittleness (B) Are used for automobile parts like gears, axle, shaft, bearings etc. (C) Have very poor fatigue resistance
Last Answer : (B) Are used for automobile parts like gears, axle, shaft, bearings etc
Description : Higher percentage of ash in coal meant for the production of metallurgical grade coke (A) Decreases the hardness of coke (B) Decreases the abrasion resistance of coke (C) Causes brittleness in steel (D) None of these
Last Answer : (D) None of these
Description : High amount of sulphur and phosphorous in coke causes (A) Decrease in its calorific value (B) Increase in its strength (C) Brittleness of steel made by using it (D) None of these
Last Answer : (C) Brittleness of steel made by using it
Description : __________ are added in lacquers to remove film brittleness and to improve adhereness. (A) Film forming materials (B) Plasticisers (C) Diluents (D) Solvents
Last Answer : (B) Plasticisers
Description : Increasing the carbon content of steel (A) Reduces the upper shelf energy (B) Increasing the ductility transition temperature (C) Decreases brittleness (D) Decreases hardness
Last Answer : (B) Increasing the ductility transition temperature
Description : Fine grained steels have (A) High brittleness (B) Higher tendency to distort (C) High ductility (D) None of these
Last Answer : (C) High ductility
Description : Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper
Last Answer : (A) Manganese
Description : Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion. (A) Annealing (B) Toughening (C) Work hardening (D) Tempering
Last Answer : (A) Annealing
Last Answer : r: Option A
Description : Sub zero treatment of steel is done to (A) Suppress martensite transformation (B) Enhance its working performance in sub zero atmosphere (C) Reduce the retained austenite in hardened steel (D) Induce temper brittleness after its hardening
Last Answer : Option C
Description : Between 230 and 370°C, blue brittleness is caused in mild steel because of the (A) Immobility of dislocation (B) Strain-ageing (C) Increase in Young's modulus (D) Strain hardening
Last Answer : Option B
Description : Temper brittleness of a material can be fairly detected by the __________ test. (A) Fatigue (B) Notched bar impact (C) Tensile (D) Hardness
Description : Brittleness of cold is due to an excess of (A) Sulphur (B) Carbon (C) Phosphorus (D) Silicon
Last Answer : Answer: Option C
Description : Which of the following is NOT a physical property of crystalline boron? w) brown color x) diamond hardness y) brittleness z) high electrical resistance
Last Answer : ANSWER: W -- BROWN COLOR (Crystalline boron is transparent.)
Description : In case of a laminated spring, the load at which the plates become straight is called (a) working load (b) safe load (c) proof load (d) none
Last Answer : (c) proof load
Description : ------------ are called cantilever laminated springs (a) Semi-elliptical springs (b) quarter elliptical springs (c) both (a) and (b) (d) none (Ans: b)
Last Answer : (b) quarter elliptical springs
Description : The type of spring used to achieve any linear and non-linear load-deflection characteristics is (a)spiral spring (b) non-ferrous spring (c)Belleville spring (d) torsion spring
Last Answer : (c)Belleville spring
Description : The type of spring used to achieve greater load carrying capacity within given space is (a)spiral spring (b) springs in series (c)multi-leaf spring (d) concentric spring
Last Answer : (d) concentric spring
Description : With a leaf spring type of suspension, interference between steering and suspension system can be (a) front end of the spring is pin joined and the rear end is shackled (b) front end of the spring is ... joined (c) both end of the spring are shackled (d) both end of the spring are pin joined
Last Answer : (b) front end of the spring is shackled and the rear end is pin joined
Description : The clips placed at intervals along some leaf spring to prevent spring leaf separation on rebound are (a) rebound clips (b) separation clips (c) interval clips (d)relief clips
Last Answer : (a) rebound clips