PROBLEMSET3MD

100問 • 2年前

MandJ Clothing

通報

問題一覧

At a given section of an I beam the maximum bending stress occurs at the

outermost

The resultant of two or more forces is a

resolution of forces

A single force could replace two or more forces acting together with same effect in a mass called

resultant

The frictional forces depends on coefficient of friction and

normal force

Shear modulus is also known as

Modulus of rigidity

The maximum stress induced in a material when subjected to intermittent or repeated load without causing failure.

Endurance limit

Internal stress exerted by the fibers to resist the action of outside force.

Shearing stress

Alloy steel axle under repeated load/stress will eventually fail if the load stress are above the endurance for the steel under consideration. The endurance limit of the steel is therefore

equal to half of the ultimate strength

Moment of inertia is also called

rotational inertia

Deflection of a beam is

inversely proportional to the modulus of elasticity and moment of inertia

Continuous stretching under load even if the stress is less than the yield point.

Creep

It is the opposite direction of parallel force.

Couple

The ratio of the moment of inertia of the cross-section of the beam to the section modulus is

measure of a distance

The differential of the shear equation is which of the following.

slope of the elastic curve

Could be defined as simply push and pull is known as

Force

The changes in shape or geometry of the body due to action of a force on it is called deformation or

strains

Ability to resist deformation under stress is called

stiffness

The property of a material that relates the lateral strain to longitudinal strain is called

Poisson's ratio

The single force which produces the same effect upon a body as two or more forces acting together.

Resultant force

The ability of metal to resist being crushed is called

compressive stress

Finding the resultant of two or more forces is called

composition of forces

In general, the design stress and factor of safety are relate as follows

Design stress = ultimate stress divided by factor of safety

Stresses that are independent load.

Residual stress

The ratio of unit lateral deformation to unit longitudinal deformation.

Poisson's ratio

Separate forces, which can be so combined, are called

concurrent forces

Endurance strength is nearly proportional to the ultimate strength but not with

yield strength

The three moment equation may be used to analyze the

continuous beam

Poisson's ratio is the ratio of

lateral strain to longitudinal strain

The product of the resultant of all forces acting on a body and the time that the resultant acts.

Linear impulse

The system of forces and opposite collinear forces is added, which of the following if any is true?

equilibrium is maintained

What is the property of a material, which resists forces acting to pull the material apart?

Tensile strength

What is the metal characteristic to withstand forces that causes twisting?

Torsional strength

The unit deformation is called

strain

The total amount of permanent extension of the gage length measured after specimen has fractured and is expressed as percentage increase of the original length. A. B. C.

Elongation

Strength of a material is that of a stress intensity determined by considering the maximum test load to act over the original area of the test specimens.

Ultimate strength

The maximum stress, which is reached during a tension test.

Tensile strength

Which of the following is the differential of the shear equation?

Slope of the beam

The change in length per unit original length is

strain

The ability of material or metal to resist being crushed is

compressive strength

The ability of metals to withstand loads without breaking down is termed as

strength

The ability of a metal to withstand forces that causes a member to twist.

Torsional strength

The ratio of stress to strain within the elastic limit is called

modulus of elasticity

The last point at which a material may be stretched a still return to its undeformed condition upon release of the stress.

Elastic limit

The deformation that results from a stress and is expressed in terms of the amount of deformation per inch.

Strain

The internal resistance a material offers to being deformed and is measured in terms of applied load.

Stress

The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure. A. B. C. D.

Endurance strength

The maximum stress to which a material may be subjected before failure occurs is called:

Ultimate strength

The total deformation measured in the direction of the line of stress.

Strain

The total resistance that a material offers to an applied load:

Stress

The ability of metal to withstand forces thus following a number of twist.

Shear strength

The ratio of the ultimate stress to the allowable stress.

Factor of safety

In a cantilever beam with concentrated load at the free end, the moment is

maximum at the wall

The greatest unit pressure the soil can continuously withstand.

Bearing strength

A specimen is subjected to a load. When the load is removed the strain disappears. From this information, which of the following can be deducted about this material?

It is elastic

A cantilever beam having a uniformly increasing load toward the fixed end.

has a reaction equal to the load

The coefficient of friction for dry surfaces

depends on the materials and the finish condition of the surface

The maximum stress to which a material may be subjected before failure occurs.

Ultimate stress

The total resistance that a material offers to an applied load.

Stress

If the areas of cross-sections of square and circular beams are the same and both are put to equal bending moment then the correct statement is

the square beam is more economical

Ties are load-carrying members that carry

axial tension loads

Auto frettage is the method of

prestressing thick cylinders

Mohr's circle can be used to determine ___ on inclined surface

principal stress

Modulus of rigidity can be defined as the ratio of

shear stress to shear strain

The total strain energy stored in a body is called

resilience

The elongation of a conical bar under its own weight is equal to

one third that of a prismatic bar of the same length

Which one is the incorrect statement about true stress-strain method?

There is no such phenomenon like true stress or true strain

The tensile stress of a material is given by

maximum load during test/ original cross-sectional

When a part is constrained to move and heated, it develops

compressive stress

For steel, the ultimate strength in shear as compared to in tension is nearly

one-half

The intensity of stress that causes unit strain is known as

modulus of elasticity

The ultimate tensile stress of mild steel, as compared to its ultimate compressive stress will be

The relation between modulus of elasticity E and modulus of elasticity in shear G, bulk modulus of elasticity K and Poisson's ratio is given by ____

E=2G(µ+1)

When shear force is zero along a section, the bending moment at that section will be

minimum or maximum

The stress strain curve for a glass rod during tensile test is

a sudden break

The ratio of average shear stress to maximum shear stress for a circular section is equal to______$

3/4

The ratio of bulk modulus to shear modulus for Poisson's ratio of 0.25 will be equal to______

The compression members tend to buckle in the direction of

least radius of gyration

The stress in an elastic material is

proportional to the displacement of the material acted upon by the force

The slenderness ratio of a column is generally defined as the ratio of its

unsupported length to its least radius of gyration

The linear portion of the stress-strain diagram of steel is known as

elastic range

Principal stresses occur on those planes

where the shearing stress is zero

The ratio of the moment of inertia of the cross-section of a beam to the section modulus is

a measure of distance

Structural steel elements subjected to torsion develop what kind of stress?

Shearing stress

The bending moment at a section of a beam is derived from the

sum of the moments of all external forces on one side of the section

The stress concentration factor

is the ratio of the maximum stress produced in a cross section to the average stress over the section

Poisson's ratio is the ratio of the

unit lateral deformation to the unit longitudinal deformation

Hooke's law for an isotropic homogeneous medium experiencing one-dimensional stress is known as

stress = E (strain)

The modulus of rigidity of a steel member is

defined as the unit shear stress divided by the unit shear deformation

The maximum bending moment of a beam simply supported at both ends and subject to a total load W uniformly distributed over its length L is expressed by the formula of _______

WL2/8

In a column (slenderness ratio>160), which of the following has the greatest influence on its tendency to buckle under a compressive load?

the length of the column

The area of the shear diagram of a beam between any two points on the beam is equal to the

change in moment between the two points

Poisson's ratio is principally used in_____

the stress-strain relationships where stresses are applied in more than one direction

Modulus of resilience is

a measure of a materials ability to store strain energy

Which of the following best describes the 0.2% offset yield stress?

It is the stress at which the material plastically strains 0.2%

Under very low deformation and at high temperature it is possible to have some plastic flow in a crystal at a shear stress lower than the critical shear stress. What is this phenomenon called?

Creep

In a stress-strain diagram what is the correct term for the stress level at e= 0.20% offset?

the offset yield stress

Under which type of loading does fatigue occur?

Repeated load

A specimen is subjected to a load. When the load is removed, the strain disappears. From this information, which of the following can be deduced about this material?

It is elastic

Which of the following may be the Poisson ratio of a material?

0.45

100

In pure torsion, the minimum torsional stress occurs at the center of the

long side

part 2

MandJ Clothing · 6問 · 2年前

part 2

6問 • 2年前

MandJ Clothing

MD2 FLYWHEEL SPEING

MandJ Clothing · 50問 · 2年前

MD2 FLYWHEEL SPEING

50問 • 2年前

MandJ Clothing

ProblemSet3MDpart2

MandJ Clothing · 100問 · 2年前

ProblemSet3MDpart2

100問 • 2年前

MandJ Clothing

問題一覧

At a given section of an I beam the maximum bending stress occurs at the

outermost

The resultant of two or more forces is a

resolution of forces

A single force could replace two or more forces acting together with same effect in a mass called

resultant

The frictional forces depends on coefficient of friction and

normal force

Shear modulus is also known as

Modulus of rigidity

The maximum stress induced in a material when subjected to intermittent or repeated load without causing failure.

Endurance limit

Internal stress exerted by the fibers to resist the action of outside force.

Shearing stress

Alloy steel axle under repeated load/stress will eventually fail if the load stress are above the endurance for the steel under consideration. The endurance limit of the steel is therefore

equal to half of the ultimate strength

Moment of inertia is also called

rotational inertia

Deflection of a beam is

inversely proportional to the modulus of elasticity and moment of inertia

Continuous stretching under load even if the stress is less than the yield point.

Creep

It is the opposite direction of parallel force.

Couple

The ratio of the moment of inertia of the cross-section of the beam to the section modulus is

measure of a distance

The differential of the shear equation is which of the following.

slope of the elastic curve

Could be defined as simply push and pull is known as

Force

The changes in shape or geometry of the body due to action of a force on it is called deformation or

strains

Ability to resist deformation under stress is called

stiffness

The property of a material that relates the lateral strain to longitudinal strain is called

Poisson's ratio

The single force which produces the same effect upon a body as two or more forces acting together.

Resultant force

The ability of metal to resist being crushed is called

compressive stress

Finding the resultant of two or more forces is called

composition of forces

In general, the design stress and factor of safety are relate as follows

Design stress = ultimate stress divided by factor of safety

Stresses that are independent load.

Residual stress

The ratio of unit lateral deformation to unit longitudinal deformation.

Poisson's ratio

Separate forces, which can be so combined, are called

concurrent forces

Endurance strength is nearly proportional to the ultimate strength but not with

yield strength

The three moment equation may be used to analyze the

continuous beam

Poisson's ratio is the ratio of

lateral strain to longitudinal strain

The product of the resultant of all forces acting on a body and the time that the resultant acts.

Linear impulse

The system of forces and opposite collinear forces is added, which of the following if any is true?

equilibrium is maintained

What is the property of a material, which resists forces acting to pull the material apart?

Tensile strength

What is the metal characteristic to withstand forces that causes twisting?

Torsional strength

The unit deformation is called

strain

The total amount of permanent extension of the gage length measured after specimen has fractured and is expressed as percentage increase of the original length. A. B. C.

Elongation

Strength of a material is that of a stress intensity determined by considering the maximum test load to act over the original area of the test specimens.

Ultimate strength

The maximum stress, which is reached during a tension test.

Tensile strength

Which of the following is the differential of the shear equation?

Slope of the beam

The change in length per unit original length is

strain

The ability of material or metal to resist being crushed is

compressive strength

The ability of metals to withstand loads without breaking down is termed as

strength

The ability of a metal to withstand forces that causes a member to twist.

Torsional strength

The ratio of stress to strain within the elastic limit is called

modulus of elasticity

The last point at which a material may be stretched a still return to its undeformed condition upon release of the stress.

Elastic limit

The deformation that results from a stress and is expressed in terms of the amount of deformation per inch.

Strain

The internal resistance a material offers to being deformed and is measured in terms of applied load.

Stress

The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure. A. B. C. D.

Endurance strength

The maximum stress to which a material may be subjected before failure occurs is called:

Ultimate strength

The total deformation measured in the direction of the line of stress.

Strain

The total resistance that a material offers to an applied load:

Stress

The ability of metal to withstand forces thus following a number of twist.

Shear strength

The ratio of the ultimate stress to the allowable stress.

Factor of safety

In a cantilever beam with concentrated load at the free end, the moment is

maximum at the wall

The greatest unit pressure the soil can continuously withstand.

Bearing strength

A specimen is subjected to a load. When the load is removed the strain disappears. From this information, which of the following can be deducted about this material?

It is elastic

A cantilever beam having a uniformly increasing load toward the fixed end.

has a reaction equal to the load

The coefficient of friction for dry surfaces

depends on the materials and the finish condition of the surface

The maximum stress to which a material may be subjected before failure occurs.

Ultimate stress

The total resistance that a material offers to an applied load.

Stress

If the areas of cross-sections of square and circular beams are the same and both are put to equal bending moment then the correct statement is

the square beam is more economical

Ties are load-carrying members that carry

axial tension loads

Auto frettage is the method of

prestressing thick cylinders

Mohr's circle can be used to determine ___ on inclined surface

principal stress

Modulus of rigidity can be defined as the ratio of

shear stress to shear strain

The total strain energy stored in a body is called

resilience

The elongation of a conical bar under its own weight is equal to

one third that of a prismatic bar of the same length

Which one is the incorrect statement about true stress-strain method?

There is no such phenomenon like true stress or true strain

The tensile stress of a material is given by

maximum load during test/ original cross-sectional

When a part is constrained to move and heated, it develops

compressive stress

For steel, the ultimate strength in shear as compared to in tension is nearly

one-half

The intensity of stress that causes unit strain is known as

modulus of elasticity

The ultimate tensile stress of mild steel, as compared to its ultimate compressive stress will be

The relation between modulus of elasticity E and modulus of elasticity in shear G, bulk modulus of elasticity K and Poisson's ratio is given by ____

E=2G(µ+1)

When shear force is zero along a section, the bending moment at that section will be

minimum or maximum

The stress strain curve for a glass rod during tensile test is

a sudden break

The ratio of average shear stress to maximum shear stress for a circular section is equal to______$

3/4

The ratio of bulk modulus to shear modulus for Poisson's ratio of 0.25 will be equal to______

The compression members tend to buckle in the direction of

least radius of gyration

The stress in an elastic material is

proportional to the displacement of the material acted upon by the force

The slenderness ratio of a column is generally defined as the ratio of its

unsupported length to its least radius of gyration

The linear portion of the stress-strain diagram of steel is known as

elastic range

Principal stresses occur on those planes

where the shearing stress is zero

The ratio of the moment of inertia of the cross-section of a beam to the section modulus is

a measure of distance

Structural steel elements subjected to torsion develop what kind of stress?

Shearing stress

The bending moment at a section of a beam is derived from the

sum of the moments of all external forces on one side of the section

The stress concentration factor

is the ratio of the maximum stress produced in a cross section to the average stress over the section

Poisson's ratio is the ratio of the

unit lateral deformation to the unit longitudinal deformation

Hooke's law for an isotropic homogeneous medium experiencing one-dimensional stress is known as

stress = E (strain)

The modulus of rigidity of a steel member is

defined as the unit shear stress divided by the unit shear deformation

The maximum bending moment of a beam simply supported at both ends and subject to a total load W uniformly distributed over its length L is expressed by the formula of _______

WL2/8

In a column (slenderness ratio>160), which of the following has the greatest influence on its tendency to buckle under a compressive load?

the length of the column

The area of the shear diagram of a beam between any two points on the beam is equal to the

change in moment between the two points

Poisson's ratio is principally used in_____

the stress-strain relationships where stresses are applied in more than one direction

Modulus of resilience is

a measure of a materials ability to store strain energy

Which of the following best describes the 0.2% offset yield stress?

It is the stress at which the material plastically strains 0.2%

Under very low deformation and at high temperature it is possible to have some plastic flow in a crystal at a shear stress lower than the critical shear stress. What is this phenomenon called?

Creep

In a stress-strain diagram what is the correct term for the stress level at e= 0.20% offset?

the offset yield stress

Under which type of loading does fatigue occur?

Repeated load

A specimen is subjected to a load. When the load is removed, the strain disappears. From this information, which of the following can be deduced about this material?

It is elastic

Which of the following may be the Poisson ratio of a material?

0.45

100

In pure torsion, the minimum torsional stress occurs at the center of the

long side