The ratio of the effective length of a column and minimum radius of gyration of its cross sectionalarea, is known (a) Buckling factor (b) Slenderness ratio (c) Crippling factor (d) None of these

The ratio of the effective length of a column and minimum radius of gyration of its cross sectionalarea, is known
(a) Buckling factor
(b) Slenderness ratio
(c) Crippling factor
(d) None of these
by

1 Answer

Answer :

(b) Slenderness ratio
by

Related questions

The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known (A) Buckling factor (B) Slenderness ratio (C) Crippling factor (D) None of these

Description : The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known (A) Buckling factor (B) Slenderness ratio (C) Crippling factor (D) None of these

Last Answer : (B) Slenderness ratio

The slenderness ratio is the ratio of (a) Length of column to least radius of gyration (b) Moment of inertia to area of cross-section (c) Area of cross-section to moment of inertia (d) Least radius of gyration to length of the column

Description : The slenderness ratio is the ratio of (a) Length of column to least radius of gyration (b) Moment of inertia to area of cross-section (c) Area of cross-section to moment of inertia (d) Least radius of gyration to length of the column

Last Answer : (a) Length of column to least radius of gyration

A column is said to be a short column, when (a) its length is very small (b) its cross-sectional area is small (c) the ratio of its length to the least radhis of gyration is less than 80 (d) the ratio of its length to the least radius of gyration is more than 80

Description : A column is said to be a short column, when (a) its length is very small (b) its cross-sectional area is small (c) the ratio of its length to the least radhis of gyration is less than 80 (d) the ratio of its length to the least radius of gyration is more than 80

Last Answer : (c) the ratio of its length to the least radhis of gyration is less than 80

Slenderness ratio of a long column, is (A) Area of cross-section divided by radius of gyration (B) Area of cross-section divided by least radius of gyration (C) Radius of gyration divided by area of cross-section (D) Length of column divided by least radius of gyration

Description : Slenderness ratio of a long column, is  (A) Area of cross-section divided by radius of gyration  (B) Area of cross-section divided by least radius of gyration  (C) Radius of gyration divided by area of cross-section  (D) Length of column divided by least radius of gyration 

Last Answer : (D) Length of column divided by least radius of gyration 

The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 240 (b) 416 (c) 360 (d) 400

Description : The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 240 (b) 416 (c) 360 (d) 400

Last Answer : (b) 416

The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 200 (b) 240 (c) 360 (d) 416

Description : The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 200 (b) 240 (c) 360 (d) 416

Last Answer : (d) 416

Compression members always tend to buckle in the direction of (a) Vertical axis (b) Horizontal axis (c) Minimum cross-section (d) Least radius of gyration

Description : Compression members always tend to buckle in the direction of (a) Vertical axis (b) Horizontal axis (c) Minimum cross-section (d) Least radius of gyration

Last Answer : (d) Least radius of gyration

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) Both ends are hinged or pin jointed (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) ... (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Last Answer : (d) Both the ends are fixed

The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending strength and axial yield strength of material (c) Buckling strength based on the net area of the section and percentage elongation at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

Description : The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending ... at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

Last Answer : (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times

Description : According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times

Last Answer : (c) four times

A column whose slenderness ratio is greater than 120 is known as (a) Short column (b) Long column (c) Medium column (d) Composite column

Description : A column whose slenderness ratio is greater than 120 is known as (a) Short column (b) Long column (c) Medium column (d) Composite column

Last Answer : (b) Long column

A column is said to be of medium size if its slenderness ratio is between (a) 20 and 32 (b) 32 and 120 (c) 120 and 160 (d) 160 and 180

Description : A column is said to be of medium size if its slenderness ratio is between (a) 20 and 32 (b) 32 and 120 (c) 120 and 160 (d) 160 and 180

Last Answer : (b) 32 and 120

If the slenderness ratio for a column is 100, then it is said to be a __________ column. (a) Long (b) medium (c)short (d) big

Description : If the slenderness ratio for a column is 100, then it is said to be a __________ column. (a) Long (b) medium (c)short (d) big

Last Answer : (a) Long

A steel column is a medium column when the slenderness ratio is (a) >120 (b) <30 (c) >30 (d) None

Description : A steel column is a medium column when the slenderness ratio is (a) >120 (b) 30 (d) None

Last Answer : (c) >30

A steel column is a long column when the slenderness ratio is (a) >120 (b) <30 (c) >30 (d) None

Description : A steel column is a long column when the slenderness ratio is (a) >120 (b) 30 (d) None

Last Answer : (a) >120

A steel column is a short column when the slenderness ratio is (a) >120 (b) <30 (c) >30 (d) None

Description : A steel column is a short column when the slenderness ratio is (a) >120 (b) 30 (d) None

Last Answer : (b)

Euler’s formula is not valid for mild steel column when slenderness ratio is (a) More than 100 (b) Less than 100 (c) Less than 80 (d)More than 80

Description : Euler’s formula is not valid for mild steel column when slenderness ratio is (a) More than 100 (b) Less than 100 (c) Less than 80 (d)More than 80

Last Answer : (c) Less than 80

What is the product of sectional modulus and allowable bending stress called as? a. Moment of inertia b. Moment of rigidity c. Moment of resistance d. Radius of gyration

Description : What is the product of sectional modulus and allowable bending stress called as? a. Moment of inertia b. Moment of rigidity c. Moment of resistance d. Radius of gyration

Last Answer : c. Moment of resistance

Which of the following relations is used to represent theorem of perpendicular axes? (H = Vertical axis, I = Moment of inertia and K = Radius of gyration) a. IPQ = Ixx + AH2 b. IPQ = Ixx + Ak2 c. Izz = Ixx + Iyy d. Izz + Ixx + Iyy = 0

Description : Which of the following relations is used to represent theorem of perpendicular axes? (H = Vertical axis, I = Moment of inertia and K = Radius of gyration) a. IPQ = Ixx + AH2 b. IPQ = Ixx + Ak2 c. Izz = Ixx + Iyy d. Izz + Ixx + Iyy = 0

Last Answer : c. Izz = Ixx + Iyy

With identical beam and column, buckling occurs as compared to bending under a (a) Lesser load (b) Larger load (c) Equal load (d) None

Description : With identical beam and column, buckling occurs as compared to bending under a (a) Lesser load (b) Larger load (c) Equal load (d) None

Last Answer : (a) Lesser load

Pure Buckling occurs in a (a) Short column (b) Medium Column (c) Long column (d) None

Description : Pure Buckling occurs in a (a) Short column (b) Medium Column (c) Long column (d) None

Last Answer : (c) Long column

Buckling of a column occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None

Description : Buckling of a column occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None

Last Answer : (a) Axial load

The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is (a) One-half of the radius (b) One-third of the radius (c) One-quarter of the radius (d) One-fifth of the radius

Description : The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, ... One-third of the radius (c) One-quarter of the radius (d) One-fifth of the radius

Last Answer : (c) One-quarter of the radius

The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (A) 200 (B) 240 (C) 360 (D) 416

Description : The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm  length, is  (A) 200  (B) 240  (C) 360  (D) 416

Last Answer : (D) 416

If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is (A) 40 (B) 45 (C) 50 (D) 55

Description : If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is (A) 40 (B) 45 (C) 50 (D) 55

Last Answer : Answer: Option D

Slenderness ratio of the column is the ratio of [ A ] the effective length to width of column [ B ] the effective length to depth of column [ C ] the effective length to least lateral design [ D ] none of the above

Description : Slenderness ratio of the column is the ratio of [ A ] the effective length to width of column [ B ] the effective length to depth of column [ C ] the effective length to least lateral design [ D ] none of the above

Last Answer : [ C ] the effective length to least lateral design

The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0

Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0

Last Answer : (B) 12.88

Rankine’s formula is generally used when slenderness ratio lies in between (a) 0-60 (b) 0-80 (c) 0-100 (d) Any value

Description : Rankine’s formula is generally used when slenderness ratio lies in between (a) 0-60 (b) 0-80 (c) 0-100 (d) Any value

Last Answer : (d) Any value

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ends are hinged or pin jointed (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ... (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

Last Answer : (D) Both the ends are fixed

The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose endsare hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximumcrippling load will be (a) 1.288 tonnes (b) 12.88 (c) 128.8 tonnes (d) 288.0

Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose endsare hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximumcrippling load will be (a) 1.288 tonnes (b) 12.88 (c) 128.8 tonnes (d) 288.0

Last Answer : (b) 12.88

Increasing which of the following factor would result in increase of free torsional vibration? A. Radius of gyration B. Mass moment of inertia C. Polar moment of inertia D. Length

Description : Increasing which of the following factor would result in increase of free torsional vibration? A. Radius of gyration B. Mass moment of inertia C. Polar moment of inertia D. Length

Last Answer : C. Polar moment of inertia

Increasing which of the following factor would result in increase of free torsional vibration? a) Radius of gyration b) Mass moment of inertiac) Polar moment of inertia d) Length

Description : Increasing which of the following factor would result in increase of free torsional vibration? a) Radius of gyration b) Mass moment of inertiac) Polar moment of inertia d) Length

Last Answer : c) Polar moment of inertia

The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is (A) 117.2 (B) 17.3 (C) 173.2 (D) 137.2

Description : The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is (A) 117.2 (B) 17.3 (C) 173.2 (D) 137.2

Last Answer : (C) 173.2

According to IS: 4561978, minimum slenderness ratio for a short column is (A) Less than 12 (B) Less than 18 (C) Between 18 and 24 (D) More than 24

Description : According to IS: 4561978, minimum slenderness ratio for a short column is (A) Less than 12 (B) Less than 18 (C) Between 18 and 24 (D) More than 24

Last Answer : Answer: Option A

According to IS 456, minimum slenderness ratio for a short concrete column is (a) Less than 12 (b) Between 12 and 18 (c) Between 18 and 24 (d) More than 24

Description : According to IS 456, minimum slenderness ratio for a short concrete column is (a) Less than 12 (b) Between 12 and 18 (c) Between 18 and 24 (d) More than 24

Last Answer : (a) Less than 12

According to IS:456-2000, the minimum slenderness ratio for a short column is [ A ] Less than 12 [ B ] Between 12 and 18 [ C ] Less than 18 [ D ] Must be greater than 18

Description : According to IS:456-2000, the minimum slenderness ratio for a short column is [ A ] Less than 12 [ B ] Between 12 and 18 [ C ] Less than 18 [ D ] Must be greater than 18

Last Answer : [ A ] Less than 12

When a column is supported throughout its length either by masonry walls or by construction on all the sides, then its slenderness ratio is (a) Infinite (b) Zero (c ) Reasonably high (d) Low

Description : When a column is supported throughout its length either by masonry walls or by construction on all the sides, then its slenderness ratio is (a) Infinite (b) Zero (c ) Reasonably high (d) Low

Last Answer : (b) Zero

Nature of stresses produced in buckling and bending are (a) Same (b) Different (c) Only tensile (d) None

Description : Nature of stresses produced in buckling and bending are (a) Same (b) Different (c) Only tensile (d) None

Last Answer : (a) Same

Pure Buckling uses the equation of (a) Rankin-Gordon (b) Euler (c) Stiffness (d) None

Description : Pure Buckling uses the equation of (a) Rankin-Gordon (b) Euler (c) Stiffness (d) None

Last Answer : (b) Euler

For long columns, the value of buckling load is……………..crushing load. (a) Less than (b) More than (c) Equal to (d) None of these

Description : For long columns, the value of buckling load is……………..crushing load. (a) Less than (b) More than (c) Equal to (d) None of these

Last Answer : (a) Less than

Pick up the correct statement from the following: (A) The structural member subjected to compression and whose dimensions are small as compared to its length, is called a stmt (B) The vertical compression members are generally known as columns or stanchions (C) Deflection in lateral direction of a long column, is generally known as buckling (D) All the above

Description : Pick up the correct statement from the following:  (A) The structural member subjected to compression and whose dimensions are small as  compared to its length, is called a stmt  (B) The ... in lateral direction of a long column, is generally known as buckling  (D) All the above

Last Answer : (D) All the above

The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is (A) 1 (B) 2 (C) 3 (D) 4

Description : The ratio of crippling loads of a column having both the ends fixed to the column having both the  ends hinged, is  (A) 1  (B) 2  (C) 3  (D) 4 

Last Answer : (D) 4 

A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the (a) axis of load (b) perpendicular to the axis of load (c) maximum moment of inertia (d) minimum moment of inertia

Description : A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the (a) axis of load (b) perpendicular to the axis of load (c) maximum moment of inertia (d) minimum moment of inertia

Last Answer : (d) minimum moment of inertia

Which of the following is incorrect? a. In a solid shaft maximum shear stress occurs at radius = radius of shaft b. In a solid shaft maximum shear stress occurs at center c. In a hollow shaft maximum shear stress occurs at outer radius d. In a hollow shaft minimum shear stress occurs at inner radius

Description : Which of the following is incorrect? a. In a solid shaft maximum shear stress occurs at radius = radius of shaft b. In a solid shaft maximum shear stress occurs at center c. In a hollow ... maximum shear stress occurs at outer radius d. In a hollow shaft minimum shear stress occurs at inner radius

Last Answer : b. In a solid shaft maximum shear stress occurs at center

Euler's formula states that the buckling load for a column of length , both ends hinged and whose least moment of inertia and modulus of elasticity of the material of the column are and respectively, is given by the relation (A) P = ²EI/l² (B) P = /EI (C) P = /l² (D) P = ²EI/l

Description : Euler's formula states that the buckling load for a column of length , both ends hinged and whose least moment of inertia and modulus of elasticity of the material of the column are and respectively, is given by the relation (A) P = ²EI/l² (B) P = /EI (C) P = /l² (D) P = ²EI/l

Last Answer : (A) P = ²EI/l²

A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. (a) l/8 (b) l/4 (c) l/2 (d) l

Description : A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. (a) l/8 (b) l/4 (c) l/2 (d) l

Last Answer : c) l/2

A column with maximum equivalent length has (a) both ends hinged (b) both ends fixed (c) one end fixed and the other end hinged (d) one end fixed and the other end free

Description : A column with maximum equivalent length has (a) both ends hinged (b) both ends fixed (c) one end fixed and the other end hinged (d) one end fixed and the other end free

Last Answer : (d) one end fixed and the other end free

The equivalent length of a column fixed at both ends, is (a) 0.5 l (b) 0.7 l (c) l (d) 1.5 l

Description : The equivalent length of a column fixed at both ends, is (a) 0.5 l (b) 0.7 l (c) l (d) 1.5 l

Last Answer : (a) 0.5 l

Keeping loading same but increasing the length, normal stresses in a long column will (a) Increase (b) Decrease (c) No change (d) None

Description : Keeping loading same but increasing the length, normal stresses in a long column will (a) Increase (b) Decrease (c) No change (d) None

Last Answer : (b) Decrease

A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m

Description : A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m

Last Answer : For a long column subjected to 1 point axial compressive load, its buckling strength will be maximum when its