Design of R.C.C. cantilever beams, is based on the resultant force at (A) Fixed end (B) Free end (C) Mid span (D) Mid span and fixed support

Design of R.C.C. cantilever beams, is based on the resultant force at
(A) Fixed end
(B) Free end
(C) Mid span
(D) Mid span and fixed support
by

1 Answer

Answer :

Answer: Option A
by

Related questions

Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at (A) Supports (B) Mid span (C) Every section (D) Quarter span

Description : Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at (A) Supports (B) Mid span (C) Every section (D) Quarter span

Last Answer : Answer: Option B

Maximum deflection of a (A) Cantilever beam carrying a concentrated load W at its free end is WL3 /3EI (B) Simply supported beam carrying a concentrated load W at mid-span is WL3 /48EI (C) Cantilever beam, carrying a uniformly distributed load over span is WL3 /8EI (D) All the above

Description : Maximum deflection of a (A) Cantilever beam carrying a concentrated load W at its free end is WL3 /3EI (B) Simply supported beam carrying a concentrated load W at mid-span is WL3 /48EI (C) Cantilever beam, carrying a uniformly distributed load over span is WL3 /8EI (D) All the above

Last Answer : (D) All the above

Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to resist a sagging bending moment near mid-span. (c) When the slab is built into a brick or masonry wall the slab should be designed to resist a hogging moment at the face of the support. (d) All of the above.

Description : Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to ... be designed to resist a hogging moment at the face of the support. (d) All of the above.

Last Answer : (d) All of the above.

In a cantilever subjected to a combination of concentrated load, uniformly distributed load and uniformly varying load, Maximum bending moment is (a) Where shear force=0 (b) At the free end (c) At the fixed end (d) At the mid-point

Description : In a cantilever subjected to a combination of concentrated load, uniformly distributed load and uniformly varying load, Maximum bending moment is (a) Where shear force=0 (b) At the free end (c) At the fixed end (d) At the mid-point

Last Answer : (c) At the fixed end

A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be (A) 2/3 (B) 3/2 (C) 5/8 (D) 8/5

Description : A simply supported beam A carries a point load at its mid span. Another identical beam B carries  the same load but uniformly distributed over the entire span. The ratio of the maximum  deflections of the beams A and B, will be  (A) 2/3  (B) 3/2  (C) 5/8  (D) 8/5 

Last Answer : (D) 8/5 

The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is (A) 1/7 (B) 2/7 (C) 3/7 (D) 2/5

Description : The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and  2/3rd of the span, is  (A) 1/7  (B) 2/7  (C) 3/7  (D) 2/5 

Last Answer : (B) 2/7 

The maximum deflection of (A) A simply supported beam carrying a uniformly increasing load from either end and having the apex at the mid span is WL3 /60EI (B) A fixed ended beam carrying a distributed load over the span is WL3 /384EI (C) A fixed ended beam carrying a concentrated load at the mid span is WL3 /192EI (D) All the above

Description : The maximum deflection of  (A) A simply supported beam carrying a uniformly increasing load from either end and having  the apex at the mid span is WL3 /60EI (B) A fixed ended beam ... ended beam carrying a concentrated load at the mid span is WL3 /192EI (D) All the above 

Last Answer : (D) All the above 

Which of the following are statically determinate beams? (a) Only simply supported beams (b) Cantilever, overhanging and simply supported (c) Fixed beams (d) Continuous beams

Description : Which of the following are statically determinate beams? (a) Only simply supported beams (b) Cantilever, overhanging and simply supported (c) Fixed beams (d) Continuous beams

Last Answer : (b) Cantilever, overhanging and simply supported

In case of cantilever, irrespective of the type of loading the maximum bendry moment and maximum shear force occur at a.107 dynes b.Free end c.2/3 of the length, from the free end d.Centre of the beam e.Fixed end

Description : In case of cantilever, irrespective of the type of loading the maximum bendry moment and maximum shear force occur at a.107 dynes b.Free end c.2/3 of the length, from the free end d.Centre of the beam e.Fixed end

Last Answer : e. Fixed end

For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9

Description : For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9

Last Answer : Answer: Option D

The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6

Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6

Last Answer : (c) 0.9

The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a (A) Triangle (B) Rectangle (C) Parabola (D) Cubic parabola

Description : The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a (A) Triangle (B) Rectangle (C) Parabola (D) Cubic parabola

Last Answer : (D) Cubic parabola

A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at (A) Midpoint of the cantilever (B) Fixed point of the cantilever (C) 1/4th length from free end (D) 3/4th length from free end

Description : A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at ... point of the cantilever (C) 1/4th length from free end (D) 3/4th length from free end

Last Answer : (D) 3/4th length from free end

A cantilever beam of span 3m carries a point load 100 N at the free end. The maximum B.M in the beam will be (a) 100 N-m (b) 300 N-m (c) 150 N-m (d) 600 N-m

Description : A cantilever beam of span 3m carries a point load 100 N at the free end. The maximum B.M in the beam will be (a) 100 N-m (b) 300 N-m (c) 150 N-m (d) 600 N-m

Last Answer : (b) 300 N-m

The point of contraflexure occurs in (A) Cantilever beams only (B) Continuous beams only (C) Over hanging beams only (D) All types of beams

Description : The point of contraflexure occurs in (A) Cantilever beams only (B) Continuous beams only (C) Over hanging beams only (D) All types of beams

Last Answer : (C) Over hanging beams only

For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum deflection b. more value of maximum deflecction c.twice the value of maximum deflecction d.same value of maximum deflecction

Description : For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum deflection b. more value of maximum deflecction c.twice the value of maximum deflecction d.same value of maximum deflecction

Last Answer : a. lesser value of maximum deflection

For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum bending moment b. more value of maximum bending moment c.twice the value of maximum bending moment d.same value of maximum bending moment

Description : For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum bending moment b. more value of maximum bending moment c.twice the value of maximum bending moment d.same value of maximum bending moment

Last Answer : a. lesser value of maximum bending moment

Negative yield line form i. Near the supports in the case of slabs fixed or continuous at the edge. ii. At mid span in the case of slabs fixed. iii.At mid span for simply supported circular slab [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Description : Negative yield line form i. Near the supports in the case of slabs fixed or continuous at the edge. ii. At mid span in the case of slabs fixed. iii.At mid span for simply supported circular slab [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Last Answer : [ A ] i

In case of a cantilever beam, shear force at the fixed end will be (a) Maximum (b) Minimum (c) Zero (d) None

Description : In case of a cantilever beam, shear force at the fixed end will be (a) Maximum (b) Minimum (c) Zero (d) None

Last Answer : (a) Maximum

In order to achieve economy, the spacing of stirrups at mid span section---------- compared to that of support section [ A ] May be decreased [ B ] May be increased [ C ] Must be kept equal [ D ] None of the above.

Description : In order to achieve economy, the spacing of stirrups at mid span section---------- compared to that of support section [ A ] May be decreased [ B ] May be increased [ C ] Must be kept equal [ D ] None of the above.

Last Answer : [ B ] May be increased

A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be (A) Zero (B) (5/24) (WL3 /EI) upward (C) (5/24) (WL3 /EI) downward (D) None of these

Description : A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its  free end upward. The net deflection of the free end will be  (A) Zero  (B) (5/24) (WL3 /EI) upward  (C) (5/24) (WL3 /EI) downward  (D) None of these 

Last Answer : (B) (5/24) (WL3 /EI) upward

A cantilever beam of length of 2m carries a U.D.L. of 150 N/m over its whole span. The maximum shear force in the beam will be (a) 150 N (b) 300 N (c) 150 N-m (d) 600 N-m

Description : A cantilever beam of length of 2m carries a U.D.L. of 150 N/m over its whole span. The maximum shear force in the beam will be (a) 150 N (b) 300 N (c) 150 N-m (d) 600 N-m

Last Answer : (b) 300 N

In a ring beam subjected to uniformly distributed load (i) Shear force at mid span is zero (ii) Shear force at mid span is maximum (iii) Torsion at mid span is zero (iv) Torsion at mid span is maximum The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Description : In a ring beam subjected to uniformly distributed load (i) Shear force at mid span is zero (ii) Shear force at mid span is maximum (iii) Torsion at mid span is zero (iv) Torsion at mid span is maximum The correct answer ... and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Last Answer : Option A

The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x - (wx²/2) (A) A uniformly distributed load w/unit length (B) A load varying linearly from zero at one end to w at the other end (C) An isolated load at mid span (D) None of these

Description : The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x - (wx²/2)  (A) A uniformly distributed load w/unit length  (B) A load varying linearly from zero at one end to w at the other end  (C) An isolated load at mid span  (D) None of these 

Last Answer : (A) A uniformly distributed load w/unit length 

The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is (A) wl3 /3EI (B) wl4 /3EI (C) wl4 /8EI (D) wl4 /12E

Description : The maximum deflection due to a uniformly distributed load w/unit length over entire span of a  cantilever of length l and of flexural rigidly EI, is  (A) wl3 /3EI (B) wl4 /3EI (C) wl4 /8EI (D) wl4 /12E

Last Answer : (C) wl4 /8EI

The maximum ratio of span to depth of a cantilever slab, is (A) 8 (B) 10 (C) 12 (D) 16

Description : The maximum ratio of span to depth of a cantilever slab, is (A) 8 (B) 10 (C) 12 (D) 16

Last Answer : Answer: Option C

If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is (A) 200 cm (B) 300 cm (C) 150 cm (D) 100 cm

Description : If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is (A) 200 cm (B) 300 cm (C) 150 cm (D) 100 cm

Last Answer : Answer: Option C

If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a (A) Simply supported beam (B) Continuous beam (C) Cantilever beam (D) None of these

Description : If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a (A) Simply supported beam (B) Continuous beam (C) Cantilever beam (D) None of these

Last Answer : Answer: Option C

For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is (A) 3.5 m (B) 4 m (C) 4.5 m (D) 5 m

Description : For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is (A) 3.5 m (B) 4 m (C) 4.5 m (D) 5 m

Last Answer : Answer: Option A

The maximum ratio of span to depth of a cantilever slab is (a) 8 (b) 10 (c) 12 (d) 14

Description : The maximum ratio of span to depth of a cantilever slab is (a) 8 (b) 10 (c) 12 (d) 14

Last Answer : (c) 12

Basic values of span/effective depth ratios to be used for beams and slabs with spans [ A ] Less than 10m [ B ] Less than 20 m [ C ] 10 m- 20 m [ D ] More than 20 m

Description : Basic values of span/effective depth ratios to be used for beams and slabs with spans [ A ] Less than 10m [ B ] Less than 20 m [ C ] 10 m- 20 m [ D ] More than 20 m

Last Answer : [ A ] Less than 10m

Basic value .of Span to Depth ratio for cantilever to control deflection is [ A ] 7 [ B ] 20 [ C ] 26 [ D ] 35

Description : Basic value .of Span to Depth ratio for cantilever to control deflection is [ A ] 7 [ B ] 20 [ C ] 26 [ D ] 35

Last Answer : [ A ] 7

The principle used for control of deflection in beams and slabs. [ A ] Maxwell method [ B ] Mohr‟s theorem [ C ] Span to effective depth ratio [ D ] Span to overall depth ratio.

Description : The principle used for control of deflection in beams and slabs. [ A ] Maxwell method [ B ] Mohr‟s theorem [ C ] Span to effective depth ratio [ D ] Span to overall depth ratio.

Last Answer : [ C ] Span to effective depth ratio

A cantilever of length 3m carries a point load of 60 KN at a distance of 2m from the fixed end.If E= 2×105 and I=108, what is the deflection at the free end?. a.7 mm b.14 mm c.26 mm d.52 mm.

Description : A cantilever of length 3m carries a point load of 60 KN at a distance of 2m from the fixed end.If E= 2×105 and I=108, what is the deflection at the free end?. a.7 mm b.14 mm c.26 mm d.52 mm.

Last Answer : b.14 mm

Maximum slope in a cantilever beam with UDL w over the entire length will be a. At the free end. b. At the fixed end. c. At the centre d. None.

Description : Maximum slope in a cantilever beam with UDL w over the entire length will be a. At the free end. b. At the fixed end. c. At the centre d. None.

Last Answer : a. At the free end.

Maximum deflection in a cantilever beam with UDL w over the entire length will be a. At the free end. b. At the fixed end. c. At the centre d. None.

Description : Maximum deflection in a cantilever beam with UDL w over the entire length will be a. At the free end. b. At the fixed end. c. At the centre d. None.

Last Answer : a. At the free end.

Maximum slope in a cantilever beam with W at the free end will be a.at the free end. b. at the centre c.at the fixed end. d.None.

Description : Maximum slope in a cantilever beam with W at the free end will be a.at the free end. b. at the centre c.at the fixed end. d.None.

Last Answer : a.at the free end.

Maximum deflection in a cantilever beam with W at the free end will be a. at the free end. b.at the fixed end. c.at the centre d.None.

Description : Maximum deflection in a cantilever beam with W at the free end will be a. at the free end. b.at the fixed end. c.at the centre d.None.

Last Answer : a. at the free end.

In a cantilever subjected to a concentrated load (W) at the free end and having length =l, Maximum bending moment is (a) Wl at the free end (b) Wl at the fixed end (c) Wl/2 at the fixed end (d) Wl at the free end

Description : In a cantilever subjected to a concentrated load (W) at the free end and having length =l, Maximum bending moment is (a) Wl at the free end (b) Wl at the fixed end (c) Wl/2 at the fixed end (d) Wl at the free end

Last Answer : (b) Wl at the fixed end

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

The bending moment diagram for a cantilever with point load, at the free end will be (a) A triangle with max. height under free end (b) A triangle with max. height under fixed end (c) A parabolic curve (d) None of these

Description : The bending moment diagram for a cantilever with point load, at the free end will be (a) A triangle with max. height under free end (b) A triangle with max. height under fixed end (c) A parabolic curve (d) None of these

Last Answer : (b) A triangle with max. height under fixed end

The Point of contraflexure occurs in case of (a) Cantilever beams (b) Simply supported beams (c) Over hanging beams (d) All types of beams

Description : The Point of contraflexure occurs in case of (a) Cantilever beams (b) Simply supported beams (c) Over hanging beams (d) All types of beams

Last Answer : c) Over hanging beams

A reinforced concrete cantilever porch has thickness t. The main reinforcing steel will be placed (a) At mid-thickness (b) At t/3 from the top (c) Close to the bottom surface (d) Close to the top surface

Description : A reinforced concrete cantilever porch has thickness t. The main reinforcing steel will be placed (a) At mid-thickness (b) At t/3 from the top (c) Close to the bottom surface (d) Close to the top surface

Last Answer : (d) Close to the top surface

If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by (A) a = S.R/L (B) a = L.S/R (C) a = L.R/S (D) None of these

Description : If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by (A) a = S.R/L (B) a = L.S/R (C) a = L.R/S (D) None of these

Last Answer : (A) a = S.R/L

In a cantilever carrying a uniformly varying load starting from zero at the free end, the shear force diagram is (a) A horizontal line parallel to x-axis (b) A line inclined to x-axis (c) Follows a parabolic law (d) Follows a cubic law

Description : In a cantilever carrying a uniformly varying load starting from zero at the free end, the shear force diagram is (a) A horizontal line parallel to x-axis (b) A line inclined to x-axis (c) Follows a parabolic law (d) Follows a cubic law

Last Answer : (c) Follows a parabolic law

While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of (A) Zero length (B) Infinite length (C) Zero moment of inertia(D) None of the above

Description : While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of (A) Zero length (B) Infinite length (C) Zero moment of inertia (D) None of the above

Last Answer : (A) Zero length

For finding out the bending moment for the arm (spoke) of flywheel the arm is assumed as 1. a cantilever beam fixed at the rim and subjected to tangential force at the hub 2. a simply supported beam fixed at hub and rim and carrying uniformly distributed load 3. a cantilever hub fixed at the rim and subjected to tangential force at the rim 4. a fixed beam fixed at hub and rim and carrying uniformly distributed load

Description : For finding out the bending moment for the arm (spoke) of flywheel the arm is assumed as 1. a cantilever beam fixed at the rim and subjected to tangential force at the hub 2. a simply ... tangential force at the rim 4. a fixed beam fixed at hub and rim and carrying uniformly distributed load

Last Answer : 3. a cantilever hub fixed at the rim and subjected to tangential force at the rim

For finding out the bending moment for the arm (spoke) of flywheel, the arm is assumed as, (A) A cantilever beam fixed at the rim and subjected to tangential force at the hub (B) A simply supported beam fixed at hub and rim and carrying uniformly distributed load (C) A cantilever beam fixed at the hub and subjected to tangential force at the rim (D) A fixed beam fixed at hub and rim and carrying uniformly distributed load

Description : For finding out the bending moment for the arm (spoke) of flywheel, the arm is assumed as, (A) A cantilever beam fixed at the rim and subjected to tangential force at the hub (B) A simply ... tangential force at the rim (D) A fixed beam fixed at hub and rim and carrying uniformly distributed load

Last Answer : (C) A cantilever beam fixed at the hub and subjected to tangential force at the rim

The application of elastic theory to the beams is based on the assumption that (a) At any cross-section, plane sections before bending remain plane after bending (b) All tensile stresses are taken up by reinforcement alone and none by the concrete. (c) Steel reinforcement is free from initial stresses when it is embedded in concrete. (d) All of the above

Description : The application of elastic theory to the beams is based on the assumption that (a) At any cross-section, plane sections before bending remain plane after bending (b) All tensile stresses are taken ... reinforcement is free from initial stresses when it is embedded in concrete. (d) All of the above

Last Answer : (d) All of the above

.Freely supported beams are assumed to be fixed beams if subjected to a. end loads which makes displacement zero b. end moments c. end couples which makes slope zero d. moments

Description : .Freely supported beams are assumed to be fixed beams if subjected to a. end loads which makes displacement zero b. end moments c. end couples which makes slope zero d. moments

Last Answer : c. end couples which makes slope zero