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)

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)
by

1 Answer

Answer :

(A) Proximity between its elastic limit and ultimate breaking strength
by

Related questions

Cast iron has (A) High ductility (B) High malleability (C) Very high tensile strength (D) Its elastic limit very 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

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

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

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

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

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

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

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

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

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

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

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

Which of the following has the least value of ultimate tensile strength (UTS)? (A) Medium carbon steel (B) High carbon steel (C) Cast iron (D) Wrought iron Answer: Option C

Description : Which of the following has the least value of ultimate tensile strength (UTS)? (A) Medium carbon steel (B) High carbon steel (C) Cast iron (D) Wrought iron Answer: Option C

Last Answer : (C) Cast iron

Which of the following has the least value of ultimate tensile strength (UTS)? (A) Medium carbon steel (B) High carbon steel (C) Cast iron (D) Wrought iron

Description : Which of the following has the least value of ultimate tensile strength (UTS)? (A) Medium carbon steel (B) High carbon steel (C) Cast iron (D) Wrought iron

Last Answer : Option B

When the steel is subjected to normalising, its __________ decreases. (A) Yield point (B) Ductility (C) Ultimate tensile strength (UTS)

Description : When the steel is subjected to normalising, its __________ decreases. (A) Yield point (B) Ductility (C) Ultimate tensile strength (UTS)

Last Answer : (B) Ductility

Cast iron has very high (A) Compressive strength (B) Ductility (C) Shock resistance (D) Resistance to brittleness

Description : Cast iron has very high (A) Compressive strength (B) Ductility (C) Shock resistance (D) Resistance to brittleness

Last Answer : (A) Compressive strength

The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity

Description : The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity

Last Answer : a) malleability

Copper has very low (A) Malleability (B) Ductility (C) Tensile strength (D) Thermal & electrical conductivity

Description : Copper has very low (A) Malleability (B) Ductility (C) Tensile strength (D) Thermal & electrical conductivity

Last Answer : (C) Tensile strength

Cast iron is (A) Used for making shock resisting parts (B) Manufactured in cupola and is brittle (C) Having compressive strength more than its tensile strength(D) All (A), (B) & (C)

Description : Cast iron is (A) Used for making shock resisting parts (B) Manufactured in cupola and is brittle (C) Having compressive strength more than its tensile strength (D) All (A), (B) & (C)

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

Cast iron compared to steel is better in (A) Ductility (B) Fluidity & castability (C) Strength (D) Malleability

Description : Cast iron compared to steel is better in (A) Ductility (B) Fluidity & castability (C) Strength (D) Malleability

Last Answer : (B) Fluidity & castability

The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

Description : The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

Last Answer : (a) Cheapness. (B) Low melting point and high fluidity making it suitable for castings of intricate shape. (c) Relatively good erosion and corrosion resistance. (d) High damping capacity, with respect to vibration. (e) Relatively good mechanical properties under compressive loading.

In a ductile material, the strength are (a)Firstly Ultimate >yield > elastic limit (b) Secondly Ultimate > yield =elastic limit (c) Thirdly Ultimate=yield=elastic limit (d) None

Description : In a ductile material, the strength are (a)Firstly Ultimate >yield > elastic limit (b) Secondly Ultimate > yield =elastic limit (c) Thirdly Ultimate=yield=elastic limit (d) None

Last Answer : (a)Firstly Ultimate >yield > elastic limit

In a brittle material, the strength are (a) Firstly Ultimate >yield > elastic limit (b) Secondly Ultimate > yield =elastic limit (c) Thirdly Ultimate=yield=elastic limit (d) None

Description : In a brittle material, the strength are (a) Firstly Ultimate >yield > elastic limit (b) Secondly Ultimate > yield =elastic limit (c) Thirdly Ultimate=yield=elastic limit (d) None

Last Answer : (c) Thirdly Ultimate=yield=elastic limit

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

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

Last Answer : (a)Elastic limit

When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is (a) 0.20 (b) 0.35 (c) 0.50 (d) 0.65

Description : When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is (a) 0.20 (b) 0.35 (c) 0.50 (d) 0.65

Last Answer : (c) 0.50

Presence of high phosphorous in cast iron increases its (A) Fluidity (B) Melting point (C) Shrinkage (D) Tensile strength

Description : Presence of high phosphorous in cast iron increases its (A) Fluidity (B) Melting point (C) Shrinkage (D) Tensile strength

Last Answer : (A) Fluidity

Presence of nickel & chromium in steel does not raise its (A) Elastic limit (B) Machining properties (C) Ductility (D) Resilience Answer: Option A

Description : Presence of nickel & chromium in steel does not raise its (A) Elastic limit (B) Machining properties (C) Ductility (D) Resilience Answer: Option A

Last Answer : Option A

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

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

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material. (A) Elastic (B) Ultimate (C) Yielding (D) Breaking

Description : The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material. (A) Elastic (B) Ultimate (C) Yielding (D) Breaking

Last Answer : (C) Yielding

Work hardening of a material (A) Decreases its tensile strength (B) Decreases its ductility (C) Increases its ductility (D) Does not affect its ductility

Description : Work hardening of a material (A) Decreases its tensile strength (B) Decreases its ductility (C) Increases its ductility (D) Does not affect its ductility

Last Answer : (B) Decreases its ductility

Manganese in steel affects its (A) Ductility (B) Tensile strength (C) Hardness (D) None of these

Description : Manganese in steel affects its (A) Ductility (B) Tensile strength (C) Hardness (D) None of these

Last Answer : (B) Tensile strength

With increase in the carbon percentage in the steel, its (A) Hardness increases (B) Ductility reduces (C) Tensile strength increases (D) All (A), (B) and (C)

Description : With increase in the carbon percentage in the steel, its (A) Hardness increases (B) Ductility reduces (C) Tensile strength increases (D) All (A), (B) and (C)

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

High carbon content in the steel causes (A) Decrease in tensile strength but increase in ductility (B) Increase in tensile strength but decrease in ductility (C) Decrease in both tensile strength and ductility (D) Increase in both tensile strength and ductility

Description : High carbon content in the steel causes (A) Decrease in tensile strength but increase in ductility (B) Increase in tensile strength but decrease in ductility (C) Decrease in both tensile strength and ductility (D) Increase in both tensile strength and ductility

Last Answer : Answer: Option B

Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Description : Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Last Answer : ANSWER: Y -- HIGH COMPRESSIVE STRENGTH

Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)

Description : Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)

Last Answer : Answer: Option D

Which one has the maximum tensile strength out of the following? (A) Nodular cast iron (B) Pig iron (C) White cast iron (D) Grey cast iron

Description : Which one has the maximum tensile strength out of the following? (A) Nodular cast iron (B) Pig iron (C) White cast iron (D) Grey cast iron

Last Answer : (A) Nodular cast iron

In aluminium conductors, steel core is provided to (a) compensate for skin effect (b) neutralise proximity effect (c) reduce line inductance (d) increase the tensile strength

Description : In aluminium conductors, steel core is provided to (a) compensate for skin effect (b) neutralise proximity effect (c) reduce line inductance (d) increase the tensile strength

Last Answer : (d) increase the tensile strength

The most distinguished property of malleable cast iron is its high (A) Ductility (B) Hardness (C) Malleability (D) None of these

Description : The most distinguished property of malleable cast iron is its high (A) Ductility (B) Hardness (C) Malleability (D) None of these

Last Answer : (A) Ductility

The ductility of metal is usually expressed in terms of the: A. Yield strength (point where the material is not longer elastic) B. Percent elongation C. Modulus of elasticity (stiffness of the material)

Description : The ductility of metal is usually expressed in terms of the: A. Yield strength (point where the material is not longer elastic) B. Percent elongation C. Modulus of elasticity (stiffness of the material)

Last Answer : B. Percent elongation

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

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

Tick of the property, which is different from the group (A) Ductility. (B) Resistivity. (C) Tensile strength. (D) Hardness.

Description : Tick of the property, which is different from the group (A) Ductility. (B) Resistivity. (C) Tensile strength. (D) Hardness.

Last Answer : (B) Resistivity

Define the term: i)Tensile strength ii) Hardness iii) Ductility iv) Soldering

Description : Define the term: i)Tensile strength ii) Hardness iii) Ductility iv) Soldering

Last Answer : i)Tensile Strength : Tensile Strength is the ability of metal to carry a load without breaking. ii)Hardness :- Hardness is the ability of metal to resist wear or abrasion and resist penetration. ... a non ferrous alloy having melting point below 4000 c in between them is called as soldering. 

Which of the following is (are) true? (A) Cast iron has poor tensile strength compared to steel (B) Failure of cast iron flywheel is sudden and total (C) Machinability of cast iron flywheel is poor compared to steel flywheel (D) All of the above

Description : Which of the following is (are) true? (A) Cast iron has poor tensile strength compared to steel (B) Failure of cast iron flywheel is sudden and total (C) Machinability of cast iron flywheel is poor compared to steel flywheel (D) All of the above

Last Answer : (D) All of the above

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)

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)

Addition of silicon to cast iron (A) Promotes graphite module formation (B) Improves its ductility (C) Does not promote graphite flakes formation (D) Increases the fluidity of molten metal

Description : Addition of silicon to cast iron (A) Promotes graphite module formation (B) Improves its ductility (C) Does not promote graphite flakes formation (D) Increases the fluidity of molten metal

Last Answer : Option D

A material no longer behaves elastically beyond (A) Plastic limit (B) Limiting load (C) Elastic limit (D) Breaking load

Description : A material no longer behaves elastically beyond (A) Plastic limit (B) Limiting load (C) Elastic limit (D) Breaking load

Last Answer : (C) Elastic limit

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected. (A) Impact strength (B) Percent elongation (C) Hardness (D) Both 'b' & 'c'

Description : With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected. (A) Impact strength (B) Percent elongation (C) Hardness (D) Both 'b' & 'c'

Last Answer : (A) Impact strength

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

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

Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the (A) State or manner of application of the crushing force (B) Ultimate strength of the material (C) Elastic constant of the material (D) All (A), (B) and (C)

Description : Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the (A) State or manner of application of the crushing force (B) Ultimate strength of the material (C) Elastic constant of the material (D) All (A), (B) and (C)

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

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 : 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

Last Answer : Option A

Mild steel is (A) A low carbon steel (0.05 to 0.3% carbon) (B) Highly resistant to corrosion (as much as stainless steel) (C) A high carbon steel (0.5 to 1.5% carbon) (D) Very poor in strength & ductility

Description : Mild steel is (A) A low carbon steel (0.05 to 0.3% carbon) (B) Highly resistant to corrosion (as much as stainless steel) (C) A high carbon steel (0.5 to 1.5% carbon) (D) Very poor in strength & ductility

Last Answer : (A) A low carbon steel (0.05 to 0.3% carbon)

Elastomers are (A) Thermosetting material (B) Exemplified by protein derivatives (C) Having high flexural strength (D) Having very high tensile strength and heat resistance

Description : Elastomers are (A) Thermosetting material (B) Exemplified by protein derivatives (C) Having high flexural strength (D) Having very high tensile strength and heat resistance

Last Answer : (C) Having high flexural strength

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

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

The ultimate tensile strength of structural mild steel is about (A) 160 N/mm² (B) 260 N/mm² (C) 420 N/mm² (D) 520 N/mm2

Description : The ultimate tensile strength of structural mild steel is about (A) 160 N/mm² (B) 260 N/mm² (C) 420 N/mm² (D) 520 N/mm

Last Answer : Answer: Option C

What is the full form UTS of rails a. Ultimate technical Strength b. Ultimate tensile Strength* c. Upper Top surface d. None of above

Description : What is the full form UTS of rails a. Ultimate technical Strength b. Ultimate tensile Strength* c. Upper Top surface d. None of above

Last Answer : b. Ultimate tensile Strength*