Pick up the correct statement from the following: (A) A ductile material has large plastic zone (B) A brittle material has no plastic zone (C) A rigid material has no plastic zone (D) All the above

Pick up the correct statement from the following:
(A) A ductile material has large plastic zone
(B) A brittle material has no plastic zone
(C) A rigid material has no plastic zone
(D) All the above
by

2 Answers

Answer :

(D) All the above
by

Answer :

All the above
by

Related questions

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

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

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

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

A brittle material has (a) No elastic zone (b) No plastic zone (c) Large plastic zone (d) None of these

Description : A brittle material has (a) No elastic zone (b) No plastic zone (c) Large plastic zone (d) None of these

Last Answer : 2

A material capable of undergoing large permanent deformation, when subjected to compression is termed as (A) Malleable (B) Ductile (C) Brittle (D) None of these

Description : A material capable of undergoing large permanent deformation, when subjected to compression is termed as (A) Malleable (B) Ductile (C) Brittle (D) None of these

Last Answer : (A) Malleable

. A material capable of undergoing large permanent deformation, when subjected to tension is termed as (A) Friable (B) Ductile (C) Brittle (D) None of these

Description : . A material capable of undergoing large permanent deformation, when subjected to tension is termed as (A) Friable (B) Ductile (C) Brittle (D) None of these

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Polystyrene is a __________ plastic at room temperature. (A) Ductile (B) Brittle (C) Malleable (D) None of these

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Description : Substances that elongate considerably and undergo plastic deformation before they break are known as A. brittle substances B. breakable substances C. ductile substances D. elastic substances

Last Answer : ductile substances

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Description : The substance which undergo plastic deformation until break is a) Brittle b) Ductile c) Hard d) Soft

Last Answer : d) Soft

Cast iron is a __________ material. (A) Brittle (B) Ductile (C) Tough (D) Malleable

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Last Answer : (A) Brittle

In which of the following case stress concentration factor is ignored? a) Ductile material under static load b) Ductile material under fluctuating load c) Brittle material under static load

Description : In which of the following case stress concentration factor is ignored? a) Ductile material under static load b) Ductile material under fluctuating load c) Brittle material under static load

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__________ test is the appropriate test to determine whether a material is ductile or brittle. (A) Impact (B) Cupping (C) Hardness (D) Tensile

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Which stress strain curve is more steep (a) For a ductile material (b) For a brittle material (c) For a pure metal (d) None

Description : Which stress strain curve is more steep (a) For a ductile material (b) For a brittle material (c) For a pure metal (d) None

Last Answer : b) For a brittle material

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Description : Define factor of safety for ductile and brittle material.

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Pick up the incorrect statement from the following: (A) Horizontal D.P.C. is provided at plinth level in internal walls (B) D.P.C. is provided under door and verandah openings (C) Vertical D.P.C. is not provided in internal walls (D) Cement concrete is a rigid damp-proofing material

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Description : 'Shock-absorbers are usually made of steel as it – (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Last Answer : (3) has higher elasticity Explanation: A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Steel is an alloy made by combining iron and other elements, the most common of these being carbon.

'Shock-absorbers' are usually made of steel as it : (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Description : 'Shock-absorbers' are usually made of steel as it : (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

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Pick up the correct statement from the following: (A) Hornblende mineral is brittle (B) Muscovite is also known as white mica and potash mica (C) Biotite is also known as black-mica (D) All the above

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Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil is the material in a relatively thin surface zone within which roots occur, and rest of the crust is termed as rock irrespective of hardness (C) To an engineer, soil is the unaggregated and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Description : Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil ... and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Last Answer : (D) All the above

Which theories of failure are used for (a) ductile materials, and (B) brittle materials ?

Description : Which theories of failure are used for (a) ductile materials, and (B) brittle materials ?

Last Answer : For ductile materials, theories of failure used are maximum shear stress theory, and maximum energy of distortion theory; while for brittle materials, theory of maximum principal stress, and maximum strain are used.

List at least two factors that promote transition from ductile to brittle fracture.

Description : List at least two factors that promote transition from ductile to brittle fracture.

Last Answer : Manner of loading, and the rate of loading promote transition from ductile to brittle frac¬ture. A machine member may have ductile failure under static loading but may fail in brittle fashion when the ... testing speed but if load is applied at a high velocity then failure may be brittle.

Zinc is highly __________ at room temperature. (A) Ductile (B) Resistant to atmospheric corrosion (C) Malleable (D) Brittle

Description : Zinc is highly __________ at room temperature. (A) Ductile (B) Resistant to atmospheric corrosion (C) Malleable (D) Brittle

Last Answer : (B) Resistant to atmospheric corrosion

Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Description : Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Last Answer : (a) Ductile materials

Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Description : Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

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Maximum principal strain theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Description : Maximum principal strain theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

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Maximum shear stress theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials

Description : Maximum shear stress theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials

Last Answer : (a) Ductile materials

Maximum principal stress theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Description : Maximum principal stress theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Last Answer : (b) Brittle materials

Steel produced from phosphatic iron is __________ in nature. (A) Malleable (B) Ductile (C) Brittle (D) Tough

Description : Steel produced from phosphatic iron is __________ in nature. (A) Malleable (B) Ductile (C) Brittle (D) Tough

Last Answer : (C) Brittle

The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel. (A) Carbon (B) Manganese (C) Both 'a' nor 'b' (D) Neither 'a' nor 'b'

Description : The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel. (A) Carbon (B) Manganese (C) Both 'a' nor 'b' (D) Neither 'a' nor 'b'

Last Answer : (A) Carbon

What Is Ductile-brittle Transition Temperature?

Description : What Is Ductile-brittle Transition Temperature?

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Which Theories Of Failure Are Used For? (a) Ductile Materials (b) Brittle Materials?

Description : Which Theories Of Failure Are Used For? (a) Ductile Materials (b) Brittle Materials?

Last Answer : For ductile materials, theories of failure used are maximum shear stress theory and maximum energy of distortion theory; For brittle materials, the theory of maximum principal stress and maximum strain are used.

List At Least Two Factors That Promote The Transition From Ductile To Brittle Fracture?

Description : List At Least Two Factors That Promote The Transition From Ductile To Brittle Fracture?

Last Answer : The manner of loading and the rate of loading promote the transition from ductile to brittle fracture. A machine member may have ductile failure under static loading but may fail in brittle fashion when the ... testing speed, but if the load is applied at a high velocity then failure may be brittle.

Distinguish Between Brittle Fracture And Ductile Fracture?

Description : Distinguish Between Brittle Fracture And Ductile Fracture?

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Charpy impact tests showing a rough torn surface after the completed test, this would indicate which type of failure? a) Fatigue b) Ductile c) Fatigue to ductile d) Brittle

Description : Charpy impact tests showing a rough torn surface after the completed test, this would indicate which type of failure? a) Fatigue b) Ductile c) Fatigue to ductile d) Brittle

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The substance which break just after elastic limit: a) Ductile b) Brittle c) Soft d) Hard

Description : The substance which break just after elastic limit: a) Ductile b) Brittle c) Soft d) Hard

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Pick up the correct statement from the following: (A) The plastic bottles are made by the process of blowing (B) The application of thermo-setting resins on sheets of paper, is called laminating process (C) The plastic articles made by placing raw material in the desired moulds, is known as moulding process (D) All the above

Description : Pick up the correct statement from the following: (A) The plastic bottles are made by the process of blowing (B) The application of thermo-setting resins on sheets of paper, is called laminating ... placing raw material in the desired moulds, is known as moulding process (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite (B) Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite (C) Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic (D) All the above

Description : Pick up the correct statement from the following: (A) Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite ... prepared a substance from urea and formaldehyde and called it Plastic (D) All the above

Last Answer : Answer: Option D

Pick up the incorrect statement from the following: (A) Plastics are chemical resistant (B) Plastics are durable (C) Plastics are ductile (D) Plastics are excellent electric insulators

Description : Pick up the incorrect statement from the following: (A) Plastics are chemical resistant (B) Plastics are durable (C) Plastics are ductile (D) Plastics are excellent electric insulators

Last Answer : Answer: Option C

Ceramic materials possess which of the following properties? a) Brittle and low dielectric constant b) Rigid and low dielectric constant c) Brittle and high dielectric constant d) Rigid and high dielectric constant

Description : Ceramic materials possess which of the following properties? a) Brittle and low dielectric constant b) Rigid and low dielectric constant c) Brittle and high dielectric constant d) Rigid and high dielectric constant

Last Answer : c) Brittle and high dielectric constant

Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no plasticity (C) The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above

Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above

Last Answer : Answer: Option D

A member which does not regain its original shape after removed of load producing deformation is said (A) Plastic (B) Elastic (C) Rigid (D) None of these

Description : A member which does not regain its original shape after removed of load producing deformation is said (A) Plastic (B) Elastic (C) Rigid (D) None of these

Last Answer : (A) Plastic

The thermosetting plastic (A) Becomes rigid when moulded at suitable pressure and temperature (B) At 127°C to 177°C permanently set and further application of heat does not soften it (C) Chars at 343°C (D) All the above

Description : The thermosetting plastic (A) Becomes rigid when moulded at suitable pressure and temperature (B) At 127°C to 177°C permanently set and further application of heat does not soften it (C) Chars at 343°C (D) All the above

Last Answer : Answer: Option D

Plastic (A) Is an organic substance (B) Consists of natural or synthetic binders (C) Finished products are rigid and stable at normal temperature (D) All the above

Description : Plastic (A) Is an organic substance (B) Consists of natural or synthetic binders (C) Finished products are rigid and stable at normal temperature (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The zone below water table, is called zone of saturation (B) The zone above water table, is called zone of aeration (C) The water which exists in the zone of saturation, is called ground water (D) All the above

Description : Pick up the correct statement from the following: (A) The zone below water table, is called zone of saturation (B) The zone above water table, is called zone of aeration (C) The water which exists in the zone of saturation, is called ground water (D) All the above

Last Answer : Answer: Option D

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) Plastic deformation of a material is its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

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

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) The damping capacity of a material is due to its plastic deformation (D) The stress required to cause plastic flow in polycrystalline material is

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

Pick up the correct statement from the following: (A) In a loaded beam, the moment at which the first yield occurs is called yield moment(B) In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment (C) In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area (D) All the above

Description : Pick up the correct statement from the following:  (A) In a loaded beam, the moment at which the first yield occurs is called yield moment (B) In a loaded beam, the moment at which the ... beam, the neutral axis divides the section in two sections of  equal area  (D) All the above 

Last Answer : (D) All the above 

Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity index of the soil (C) Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above

Description : Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity ... Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The range of water content between the liquid limit and plastic limit is called plasticity index (B) The ratio of the liquid limit minus the natural water content to the plasticity index of soils, is called consistency index (C) The ratio of natural water content minus its plastic limit to its plasticity index is called liquidity index (D) All the above

Description : Pick up the correct statement from the following: (A) The range of water content between the liquid limit and plastic limit is called plasticity index (B) The ratio of the liquid limit minus ... content minus its plastic limit to its plasticity index is called liquidity index (D) All the above

Last Answer : Answer: Option D

Pick out the wrong statement about a streamline. (A) It is always parallel to the main direction of the fluid flow (B) It is a line across which there is no flow and it is equivalent to a rigid boundary(C) Streamlines intersect at isolated point of zero velocity and infinitevelocity(D) The fluid lying between any two streamlines can be considered to be inisolation and the streamline spacing varies inversely as the velocity

Description : Pick out the wrong statement about a streamline. (A) It is always parallel to the main direction of the fluid flow (B) It is a line across which there is no flow and it is ... any two streamlines can be considered to be in isolation and the streamline spacing varies inversely as the velocity

Last Answer : (A) It is always parallel to the main direction of the fluid flow