The shear force on a simply supported beam is proportional to (A) Displacement of the neutral axis (B) Sum of the forces (C) Sum of the transverse forces (D) Algebraic sum of the transverse forces of the section

The shear force on a simply supported beam is proportional to
(A) Displacement of the neutral axis
(B) Sum of the forces
(C) Sum of the transverse forces
(D) Algebraic sum of the transverse forces of the section
by

1 Answer

Answer :

(D) Algebraic sum of the transverse forces of the section
by

Related questions

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to (A) Shear force (B) Area of the section (C) Distance of the C.G. of the area from its neutral axis (D) Moment of the beam section about its neutral axis

Description : Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to (A) Shear force (B) Area of the section ... . of the area from its neutral axis (D) Moment of the beam section about its neutral axis

Last Answer : Answer: Option D

Along the neutral axis of a simply supported beam (A) Fibres do not undergo strain (B) Fibres undergo minimum strain (C) Fibres undergo maximum strain (D) None of these

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Last Answer : (A) Fibres do not undergo strain 

An increase in temperature on the top fibre of a simply supported beam will cause (a) Downward deflection (b) Upward deflection (c) No deflection (d) Angular rotation about neutral axis

Description : An increase in temperature on the top fibre of a simply supported beam will cause (a) Downward deflection (b) Upward deflection (c) No deflection (d) Angular rotation about neutral axis

Last Answer : Upward deflection

In a simply supported reinforced concrete beam, the reinforcement is placed. (a) Above the neutral axis (b) Below the neutral axis (c) At the neutral axis (d) None of these

Description : In a simply supported reinforced concrete beam, the reinforcement is placed. (a) Above the neutral axis (b) Below the neutral axis (c) At the neutral axis (d) None of these

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When a simply supported beam is loaded with a point load at the centre, the maximum tensile stress is developed on the (a) Top fibre (b) Bottom fibre (c) Neutral axis (d) None of these

Description : When a simply supported beam is loaded with a point load at the centre, the maximum tensile stress is developed on the (a) Top fibre (b) Bottom fibre (c) Neutral axis (d) None of these

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At the supports of a simply supported beam, shear forces will be (a) Maximum (b) Minimum (c) Zero (d) None

Description : At the supports of a simply supported beam, shear forces will be (a) Maximum (b) Minimum (c) Zero (d) None

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A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the a. top of the section b. bottom of the section c. neutral axis of the section d. junction of web and flange

Description : A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the a. top of the section b. bottom of the section c. neutral axis of the section d. junction of web and flange

Last Answer : c. neutral axis of the section

What is the shear stress acting along the neutral axis of triangular beam section, with base 60 mm and height 150 mm, when shear force of 30 kN acts? a. 15.36 N/mm2 b. 10.6 N/mm2 c. 8.88 N/mm2 d. Insufficient data

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For a reinforced concrete beam section, the shape of shear stress diagram is (a) Parabolic over the whole section with maximum value at the neutral axis. (b) Parabolic above the neutral axis and rectangular below the neutral axis. (c) Linearly varying as the distance form the N.A. (d) All the above.

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Last Answer : (b) Parabolic above the neutral axis and rectangular below the neutral axis.

The shear force at the centre of a simply supported beam of span l carrying a uniformly distributed load of w per unit length over the whole span is (a) wl (b) wl/2 (c) wl/4 (d) Zero

Description : The shear force at the centre of a simply supported beam of span l carrying a uniformly distributed load of w per unit length over the whole span is (a) wl (b) wl/2 (c) wl/4 (d) Zero

Last Answer : (d) Zero

The deflection of any rectangular beam simply supported, is (A) Directly proportional to its weight (B) Inversely proportional to its width (C) Inversely proportional to the cube of its depth (D) Directly proportional to the cube of its length

Description : The deflection of any rectangular beam simply supported, is (A) Directly proportional to its weight (B) Inversely proportional to its width (C) Inversely proportional to the cube of its depth (D) Directly proportional to the cube of its length

Last Answer : (C) Inversely proportional to the cube of its depth

A bending moment may be defined as: (A) Arithmetic sum of the moments of all the forces on either side of the section (B) Arithmetic sum of the forces on either side of the section (C) Algebraic sum of the moments of all the forces on either side of the section (D) None of these

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Last Answer : (C) Algebraic sum of the moments of all the forces on either side of the section

If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2 , the share stirrups are provided for a distance from either end where, is (A) 50 cm (B) 100 cm(C) 150 cm (D) 200 cm

Description : If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2 , the share stirrups are provided for a distance from either end where, is (A) 50 cm (B) 100 cm (C) 150 cm (D) 200 cm

Last Answer : Answer: Option C

If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2 , the length of the beam having nominal reinforcement, is (A) 8 cm (B) 6 m (C) 8 m (D) 10 m

Description : If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2 , the length of the beam having nominal reinforcement, is (A) 8 cm (B) 6 m (C) 8 m (D) 10 m

Last Answer : Answer: Option C

The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone (A) Compressive stress (B) Shear stress (C) Bond stress (D) Tensile stress

Description : The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone (A) Compressive stress (B) Shear stress (C) Bond stress (D) Tensile stress

Last Answer : Answer: Option C

The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is (A) F/A (B) F/2A (C) 3F/2A (D) 2F/3A

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Last Answer : (C) 3F/2A

If is the shear force at a section of an I-joist, having web depth and moment of inertia about its neutral axis, the difference between the maximum and mean shear stresses in the web is, (A) Sd²/8I (B) Sd²/12I (C) Sd²/16I(D) Sd²/24I

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A simply supported rectangular beam is uniformly loaded and is prestressed. The tendon provided for prestressing should be (a) Straight, above centroidal axis (b) Straight, below centroidal axis (c) parabolic, with convexity upward (d) Parabolic, with convexity downward

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In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is (A) L/2 (B) L/3 (C) L/4 (D) L/5

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The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is (A) 13.33 kg/cm2 tensile (B) 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive

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Last Answer : (C) 26.67 kg/cm2 tensile

While testing a cast iron beam (2.5 cm × 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is: (A) 960 kg/cm2 (B) 980 kg/cm2 (C) 1000 kg/cm2 (D) 1200 kg/cm2 Answer: Option

Description : While testing a cast iron beam (2.5 cm × 2.5 cm) in section and a metre long simply supported at  the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is:  (A) 960 kg/cm2 (B) 980 kg/cm2 (C) 1000 kg/cm2 (D) 1200 kg/c

Last Answer : (A) 960 kg/cm

A simply supported wooden beam 150 cm long and having a cross section 16 cm × 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2 and fs= 10 kg/cm2 the safe load is (A) 3025 kg (B) 3050 kg (C) 3075 kg (D) 3100 kg

Description : A simply supported wooden beam 150 cm long and having a cross section 16 cm × 24 cm carries a  concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2  and fs= 10 kg/cm2  the safe  load is  (A) 3025 kg  (B) 3050 kg  (C) 3075 kg  (D) 3100 kg 

Last Answer : (C) 3075 kg 

What is the distance away from midspan of a plastic hinge if developing in a simply supported beam of rectangular cross-section and span 6 m, subjected to a point load at the centre? (a) Zero (b) 1 m (c) 2 m (d) 3 m

Description : What is the distance away from midspan of a plastic hinge if developing in a simply supported beam of rectangular cross-section and span 6 m, subjected to a point load at the centre? (a) Zero (b) 1 m (c) 2 m (d) 3 m

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Which one of the following is the correct ratio of plastic moment to yield moment for a simply supported beam of uniform square cross section throughout the span (a) 1.5 (b) 1.7 (c) 2.0 (d) 2.34

Description : Which one of the following is the correct ratio of plastic moment to yield moment for a simply supported beam of uniform square cross section throughout the span (a) 1.5 (b) 1.7 (c) 2.0 (d) 2.34

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In a reinforced concrete beam , the shear stress distribution above the neutral axis following a (a) A straight line (b) Circular curve (c) Parabolic curve (d) All the above

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Last Answer : (c) Parabolic curve

The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to (A) r (B) 1/r (C) r2 (D) 1/r²

Description : The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to (A) r (B) 1/r (C) r2 (D) 1/r²

Last Answer : (A) r

Pick up the correct statement from the following: (A) The bending stress in a section is zero at its neutral axis and maximum at the outer fibres (B) The shear stress is zero at the outer fibres and maximum at the neutral axis (C) The bending stress at the outer fibres, is known as principal stress (D) All the above

Description : Pick up the correct statement from the following:  (A) The bending stress in a section is zero at its neutral axis and maximum at the outer fibres  (B) The shear stress is zero at the outer ... (C) The bending stress at the outer fibres, is known as principal stress  (D) All the above 

Last Answer : (D) All the above 

For a reinforced concrete section, the shape of shear stress diagram is (A) Wholly parabolic (B) Wholly rectangular (C) Parabolic above neutral axis and rectangular below neutral axis (D) Rectangular above neutral axis and parabolic below neutral axis

Description : For a reinforced concrete section, the shape of shear stress diagram is (A) Wholly parabolic (B) Wholly rectangular (C) Parabolic above neutral axis and rectangular below neutral axis (D) Rectangular above neutral axis and parabolic below neutral axis

Last Answer : Answer: Option C

At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by (A) Depth of the section (B) Depth of the neutral axis (C) Maximum tensile stress at the section (D) Maximum compressive stress at the section

Description : At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of  the section by  (A) Depth of the section  (B) Depth of the neutral axis  (C) Maximum tensile stress at the section  (D) Maximum compressive stress at the section

Last Answer : (B) Depth of the neutral axis 

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 

The neutral axis of a beam cross-section must (A) Pass through the centroid of the section (B) Be equidistant from the top of bottom films (C) Be an axis of symmetry of the section (D) None of these

Description : The neutral axis of a beam cross-section must (A) Pass through the centroid of the section (B) Be equidistant from the top of bottom films (C) Be an axis of symmetry of the section (D) None of these

Last Answer : (A) Pass through the centroid of the section

When a rectangular beam is loaded transversely, the maximum compressive stress develops on (A) Bottom fibre (B) Top fibre (C) Neutral axis (D) Every cross-section

Description : When a rectangular beam is loaded transversely, the maximum compressive stress develops on (A) Bottom fibre (B) Top fibre (C) Neutral axis (D) Every cross-section

Last Answer : (B) Top fibre

The neutral axis in a T-beam section falls (a) Within the flange (b) Outside the flange (c) Either (a) or (b) (d) All the above

Description : The neutral axis in a T-beam section falls (a) Within the flange (b) Outside the flange (c) Either (a) or (b) (d) All the above

Last Answer : (c) Either (a) or (b)

The section of the beam having greater width at the top in comparison to the width below neutral axis is known as. (a) Critical section (b) T-section (c) L-section (d) None of these

Description : The section of the beam having greater width at the top in comparison to the width below neutral axis is known as. (a) Critical section (b) T-section (c) L-section (d) None of these

Last Answer : (b) T-section

The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2 and the modular ratio is 18, then the stress developed in the steel will (a) 130N/mm2 (b) 135N/mm2 (c) 160N/mm2 (d) 180N/mm2

Description : The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2 and the modular ratio ... in the steel will (a) 130N/mm2 (b) 135N/mm2 (c) 160N/mm2 (d) 180N/mm2

Last Answer : (b) 135N/mm2

A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Description : A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Last Answer : d.16.27 mm.

A simply supported beam is of rectangular section.It carries a uniformly distributed load over the whole span.The deflection at the centre is y.If the depth of beam is doubled ,the deflection at the centre would be a.2y b.4y c.y/2 d.y/8.

Description : A simply supported beam is of rectangular section.It carries a uniformly distributed load over the whole span.The deflection at the centre is y.If the depth of beam is doubled ,the deflection at the centre would be a.2y b.4y c.y/2 d.y/8.

Last Answer : d.y/8.

In a simply supported beam loaded with U.D.L over the whole section, the bending stress is …………. at top and ………….. at bottom. (a) Compressive, tensile (b) Tensile, compressive (c) Tensile, zero (d) Compressive, zero

Description : In a simply supported beam loaded with U.D.L over the whole section, the bending stress is …………. at top and ………….. at bottom. (a) Compressive, tensile (b) Tensile, compressive (c) Tensile, zero (d) Compressive, zero

Last Answer : (a) Compressive, tensile

A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Description : A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Last Answer : b. 5208 Mpa

State cable profile in simply supported rectangular beam section.

Description : State cable profile in simply supported rectangular beam section.

Last Answer : Cabe profile: In a prestressed concrete member, external type of loads is balanced by transverse component of suitable cable profile, on effect of loading the net deformation increases the stress, strain and length of the tendon, extension of tendon, increase in strain, increase in stress.

Pick up the correct statement from the following: (A) For channels, the shear centre does not coincide its centroid (B) The point of intersection of the bending axis with the cross section of the beam, is called shear centre (C) For I sections, the shear centre coincides with the centroid of the cross section of the beam (D) All the above

Description : Pick up the correct statement from the following:  (A) For channels, the shear centre does not coincide its centroid  (B) The point of intersection of the bending axis with the cross section ... shear centre coincides with the centroid of the cross section of the beam  (D) All the above

Last Answer : (D) All the above

A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis

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Last Answer : (D) Bending stress is same at every section along its longitudinal axis

A beam is a structural member which is subjected to (a) Axial tension or compression (b) Transverse loads and couples (c) Twisting moment (d) No load, but its axis should be horizontal and x-section rectangular or circular

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Last Answer : b) Transverse loads and couples

Reactions at the supports of a structure can be determined by equating the algebraic sum of (A) Horizontal forces to zero (B) Vertical forces to zero (C) Moment about any point to zero (D) All the above

Description : Reactions at the supports of a structure can be determined by equating the algebraic sum of (A) Horizontal forces to zero (B) Vertical forces to zero (C) Moment about any point to zero (D) All the above

Last Answer : (D) All the above

The algebraic sum of moments of the forces forming couple about any point in their plane is (A) Equal to the moment of the couple (B) Constant (C) Both of above are correct (D) Both of above are wrong

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Last Answer : (A) Equal to the moment of the couple 

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of (A) Forces (B) Independence of forces (C) Dependence of forces (D) Resolution of forces

Description : The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the  resolved part of their resultant in the same direction. This is as per the principle of  (A) Forces  (B) Independence of forces  (C) Dependence of forces  (D) Resolution of forces 

Last Answer : (D) Resolution of forces 

According to principle of moments (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero (B) If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero (C) The algebraic sum of the moments of any two forces about any point is equal to moment of their resultant about the same point (D) Positive and negative couples can be balanced

Description : According to principle of moments  (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero  (B) If a system of coplanar forces is in equilibrium, then the ... of  their resultant about the same point  (D) Positive and negative couples can be balanced

Last Answer : (C) The algebraic sum of the moments of any two forces about any point is equal to moment of  their resultant about the same point 

In case of a beam subjected to pure bending a.107 dynes b.the stress intensity in any fibre is proportional to the distance of the fibre from the neutral axis c.the stress intensity in any fibre is proportional to the distance of the fibre from the load carrying end d.the stress intensity in any fibre is uniform e.the nature of stress in any fibre is identical

Description : In case of a beam subjected to pure bending a.107 dynes b.the stress intensity in any fibre is proportional to the distance of the fibre from the neutral axis c.the stress intensity in any fibre is ... d.the stress intensity in any fibre is uniform e.the nature of stress in any fibre is identical

Last Answer : b. the stress intensity in any fibre is proportional to the distance of the fibre from the neutral axis

In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that a. stress is uniform throughout the beam b. strain is uniform throughout the beam c. stress is proportional to the distance from the neutral axis d. strain is proportional to the distance from the neutral axis

Description : In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that a. stress is uniform throughout the beam b. ... the distance from the neutral axis d. strain is proportional to the distance from the neutral axis

Last Answer : d. strain is proportional to the distance from the neutral axis