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

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
by

1 Answer

Answer :

(D) Both the ends are fixed
by

Related questions

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

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

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

While designing the pile as a column, the end conditions are nearly (A) Both ends hinged (B) Both ends fixed (C) One end fixed and other end hinged (D) One end fixed and other end free

Description : While designing the pile as a column, the end conditions are nearly (A) Both ends hinged (B) Both ends fixed (C) One end fixed and other end hinged (D) One end fixed and other end free

Last Answer : Answer: Option C

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.

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 column has its equivalent length equal to its length in case of a.one end fixed, other free b.both ends hinged c.one end hinged, other free d.107 dynes e.both end fixed

Description : A column has its equivalent length equal to its length in case of a.one end fixed, other free b.both ends hinged c.one end hinged, other free d.107 dynes e.both end fixed

Last Answer : b. both ends hinged

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 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

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

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 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 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

P = /L² is the equation for Euler's crippling load if (A) Both the ends are fixed (B) Both the ends are hinged (C) One end is fixed and other end is free (D) One end is fixed and other end is hinged

Description : P = /L² is the equation for Euler's crippling load if  (A) Both the ends are fixed  (B) Both the ends are hinged  (C) One end is fixed and other end is free  (D) One end is fixed and other end is hinged

Last Answer : (B) Both the ends are hinged

A long column with fixed ends can carry load as compared to both ends hinged (a) 4 times (b) 8 times (c) 16 times (d) None

Description : A long column with fixed ends can carry load as compared to both ends hinged (a) 4 times (b) 8 times (c) 16 times (d) None

Last Answer : (a) 4 times

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 purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars

Description : The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars

Last Answer : (d) Avoid buckling of longitudinal bars

If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads). (A) y = L - (l - ) (B) y = L/2 + (l - ) (C) y = L/2 - (l + ) (D) y = L/2 - (l - )

Description : If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed ... l - ) (C) y = L/2 - (l + ) (D) y = L/2 - (l - )

Last Answer : Answer: Option D

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

Description : 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

Last Answer : (b) Slenderness ratio

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

.In a free moment diagram support assumption is a. Simply supported ends b.free free ends c. fixed ends d.hinged ends

Description : .In a free moment diagram support assumption is a. Simply supported ends b.free free ends c. fixed ends d.hinged ends

Last Answer : a. Simply supported ends

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

In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force

Description : In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force

Last Answer : Answer: Option D

The fixed support in a real beam becomes in the conjugate beam a (A) Roller support (B) Hinged support (C) Fixed support (D) Free end

Description : The fixed support in a real beam becomes in the conjugate beam a (A) Roller support (B) Hinged support (C) Fixed support (D) Free end

Last Answer : (D) Free end

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Description : If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Last Answer : (C) m + r - 2j

The degree of static indeterminacy of a pin-jointed space frame is given by m r j number of joints) (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) m + r + 3j

Description : The degree of static indeterminacy of a pin-jointed space frame is given by m r j number of joints) (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) m + r + 3j

Last Answer : (B) m + r - 3j

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by (A) 2j - r (B) j - 2r (C) 3j - r (D) 2j + r

Description : Degree of kinematic indeterminacy of a pin-jointed plane frame is given by (A) 2j - r (B) j - 2r (C) 3j - r (D) 2j + r

Last Answer : (A) 2j - r

A cantilever is a beam whose (a) Both ends are supported either on rollers or hinges (b) One end is fixed and other end is free (c) Both ends are fixed (d) Whose both or one of the end has overhang

Description : A cantilever is a beam whose (a) Both ends are supported either on rollers or hinges (b) One end is fixed and other end is free (c) Both ends are fixed (d) Whose both or one of the end has overhang

Last Answer : b) One end is fixed and other end is free

In rectangular columns (cross-section b × h), the core is a (A) Rectangle of lengths b/2 and h/2 (B) Square of length b/2 (C) Rhombus of length h/2 (D) Rhombus of diagonals b/3 and h/3

Description : In rectangular columns (cross-section b × h), the core is a  (A) Rectangle of lengths b/2 and h/2  (B) Square of length b/2  (C) Rhombus of length h/2  (D) Rhombus of diagonals b/3 and h/3 

Last Answer : (D) Rhombus of diagonals b/3 and h/3 

The equivalent length of a column fixed at one end and free at the other end, is (A) 0.5 l (B) 0.7 l (C) 2 l (D) 1.5 l

Description : The equivalent length of a column fixed at one end and free at the other end, is (A) 0.5 l (B) 0.7 l (C) 2 l (D) 1.5 l

Last Answer : (C) 2 l

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

Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to (A) Very long columns (B) Long columns (C) Short columns (D) Intermediate columns

Description : Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to (A) Very long columns (B) Long columns (C) Short columns (D) Intermediate columns

Last Answer : (D) Intermediate columns

Pick up the correct statement from the following: (A) Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling (B) Lateral reinforcement prevents the shearing of concrete on diagonal plane (C) Lateral reinforcement stops breaking away of concrete cover, due to buckling (D) All the above

Description : Pick up the correct statement from the following: (A) Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling (B) Lateral reinforcement prevents ... Lateral reinforcement stops breaking away of concrete cover, due to buckling (D) All the above

Last Answer : Answer: Option D

The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars

Description : The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars

Last Answer : [ D ] Avoid buckling of longitudinal bars

Write the values of stiffness factor for beams. i) Simply supported at both ends ii)/fixed at one end simply supported at other end

Description : Write the values of stiffness factor for beams. i) Simply supported at both ends ii)/fixed at one end simply supported at other end 

Last Answer : i)Stiffness factor for a beam Simply supported at both the ends = 3EI /L  ii) Stiffness factor for a beam fixed at one end and simply supported at other end = 4EI/L

A pin-jointed plane frame is unstable if (A) (m + r) < 2j (B) (m + r) = 2j (C) (m + r) > 2j (D) None of the above Where m is number of members, r is reaction components and j is number of joints

Description : A pin-jointed plane frame is unstable if (A) (m + r) < 2j (B) (m + r) = 2j (C) (m + r) > 2j (D) None of the above Where m is number of members, r is reaction components and j is number of joints

Last Answer : (A) (m + r) < 2j

The degree of kinematic indeterminacy of a pin-jointed space frame is (A) 2j - r(B) 3j - r(C) j - 2r(D) j - 3rWhere j is number of joints and r is reaction components

Description : The degree of kinematic indeterminacy of a pin-jointed space frame is (A) 2j - r (B) 3j - r (C) j - 2r (D) j - 3r Where j is number of joints and r is reaction components

Last Answer : (B) 3j - r

If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above

Description : If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above

Last Answer : (B) Stable and statically indeterminate

Influence lines are drawn for structures (A) Of any type (B) Statically determinate (C) Pin-jointed truss (D) None of these

Description : Influence lines are drawn for structures  (A) Of any type  (B) Statically determinate  (C) Pin-jointed truss  (D) None of these 

Last Answer : (A) Of any type 

A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2 , the Safe load on the column, should not exceed (A) 4120 kg (B) 41,200 kg (C) 412,000 kg (D) None of these

Description : A short column 20 cm 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2 , the Safe load on ... should not exceed (A) 4120 kg (B) 41,200 kg (C) 412,000 kg (D) None of these

Last Answer : Answer: Option B

A column of length l is fixed at both ends. The equivalent length of the column is (A) l/2 (B) l/√2 (C) l (D) 2 l

Description : A column of length l is fixed at both ends. The equivalent length of the column is (A) l/2 (B) l/√2 (C) l (D) 2 l

Last Answer : (A) l/2

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

Pick out the correct statement. (A) For identical gas flow rates, less pressure drop occurs through a plate tower than through a packed tower (B) Plate column can handle greater liquid loads without flooding than packed column, but the liquid hold up is more in the case of plate column (C) For the same duty, plate columns weigh less than packed columns (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) For identical gas flow rates, less pressure drop occurs through a plate tower than through a packed tower (B) Plate column can handle greater liquid loads without flooding than packed ... duty, plate columns weigh less than packed columns (D) All (A), (B) and (C)

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

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) 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

In a singly reinforced beam (A) Compression is borne entirely by concrete (B) Steel possesses initial stresses when embedded in concrete (C) Plane sections transverse to the centre line of the beam before bending remain plane after bending (D) Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

Description : In a singly reinforced beam (A) Compression is borne entirely by concrete (B) Steel possesses initial stresses when embedded in concrete (C) Plane sections transverse to the centre line ... Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

Last Answer : Answer: Option C

Out of ‘X ’ pairs of ribs in humans only ‘Y ’ pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation. (a) X = 12, Y = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends (b) X = 24, Y = 2 The true ribs are dorsally attached to vertebral column but are free on ventral side(c) X = 24, Y = 12True ribs are dorsally attached to vertebral column but are free on ventral side (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum

Description : Out of X ' pairs of ribs in humans only Y ' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation. (a) X = 12, Y = 5 True ribs are ... (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum

Last Answer : (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum

Pick out the wrong statement. (A) The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S (B) For a helical spring, deflection is proportional to D3(D = mean coil diameter) or d4(d = wire diameter) (C) Crushing load or columns is less than the buckling load (D) Modulus of resilience is proportional to (stress at elastic limit)2

Description : Pick out the wrong statement. (A) The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S (B) For a helical spring, deflection is ... is less than the buckling load (D) Modulus of resilience is proportional to (stress at elastic limit)2

Last Answer : (C) Crushing load or columns is less than the buckling load

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