The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is (A) Less than one (B) Equal to one (C) More than one (D) Equal

The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is 

(A) Less than one 

(B) Equal to one 

(C) More than one 

(D) Equal 

by

1 Answer

Answer :

(D) Equal 

by

Related questions

The ratio of moment of inertia of a circular body about x axis to that about y axis is a.? b.? c.1?4 d.1 e.

Description : The ratio of moment of inertia of a circular body about x axis to that about y axis is a.? b.? c.1?4 d.1 e.

Last Answer : e. 1

The moment of inertia of a rectangular section of width and depth about an axis passing through C.G. and parallel to its width is (A) BD²/6 (B) BD3 /6 (C) BD3 /12 (D) B²D/6

Description : The moment of inertia of a rectangular section of width and depth about an axis passing  through C.G. and parallel to its width is  (A) BD²/6  (B) BD3 /6  (C) BD3 /12  (D) B²D/6 

Last Answer : (C) BD3 /12 

If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of elasticity stress and the depth of the neutral axis at section, then (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F

Description : If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of  elasticity stress and the depth of the neutral axis at section, then  (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F

Last Answer : (C) M/I = E/R = E/Y

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

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Last Answer : (B) Depth of the neutral axis 

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

Description : 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

Last Answer : (D) Sd²/24I

A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2 . If the moment of inertia of the beam is 640 cm4 , the overall depth of the beam is (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

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Last Answer : (A) 10 cm

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (A) (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The moment of inertia is calculated about the axis about which bending takes place (B) If tensile stress is less than axial stress, the section experiences compressive stress (C) If tensile stress is equal to axial stress, the section experiences compressive stress (D) All the above

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Last Answer : (D) All the above 

The radius of gyration of a rectangular section is not proportional to (A) Square root of the moment of inertia (B) Square root of the inverse of the area (C) Square root of the moment of inertia divided by area of the section (D) None of these

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Last Answer : (D) None of these 

Four equal sized maximum circular plates are cut off from a square sheet of area 784 cm2. What is the circumference of each plate? a) 22 cm b) 44 cm c) 42 cm d) 40cm

Description : Four equal sized maximum circular plates are cut off from a square sheet of area 784 cm2. What is the circumference of each plate? a) 22 cm b) 44 cm c) 42 cm d) 40cm

Last Answer : b) 44 cm

The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is a.66.8 cm4 b.137.5 cm4 c.550 cm4 d.33.4 cm4 e.275 cm4

Description : The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is a.66.8 cm4 b.137.5 cm4 c.550 cm4 d.33.4 cm4 e.275 cm4

Last Answer : b. 137.5 cm4

The polar moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter of 6 cm will be a.137.5 cm4 b.107 dynes c.275 cm4 d.550 cm4 e.1100 cm4

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The mass moment of inertia of a solid circular disk is given by (A) mR 2 /2 (B) mR 2 /3 (C) 2mR 2 /3 (D) mR 2 /4

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Last Answer : (A) mR 2 /2

Which formula is used to calculate mass moment of inertia (I G ) of a circular rim about the axis through centre of gravity? a. mr 2 /2b. mr 2 /12 c. mr 2 /4 d. mr 2

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The polar moment of inertia of a solid circular shaft of diameter (d) is (a)πd2/16 (b) πd3/32 (c) πd4/32 (d) πd4/64

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Last Answer : (c) πd4/32

For two plates of equal thickness, full strength of square-edged fillet weld can be ensured if its maximum size is limited to (a) 1.5 mm less than the plate thickness (b) 67% of the plate thickness (c) 80% of the plate thickness (d) Thickness of the plate

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Last Answer : (a) 1.5 mm less than the plate thickness

What is the moment of inertia acting on a rectangle of width 15 mm and depth 40 mm about base by using theorem of parallel axes? a. 320 x 103 mm4 b. 300 x 103 mm4 c. 240 x 103 mm4 d. 80 x 103 mm

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Define ‘Moment of inertia’ and write mathematical expression of square and quarter circle with both axis.

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For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is (A) 0.303 (B) 0.404 (C) 0.505 (D) 0.707

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Last Answer : (D) 0.707 

If a circular shaft is welded to the plate by means of circumferential fillet, then the shaft is subjected to torsional moment M. If throat of weld is t, then torsional shear stress is given by a) M/2πtr2 b) M/πtr2 c) M/4πtr2 d) None of the listed

Description : If a circular shaft is welded to the plate by means of circumferential fillet, then the shaft is subjected to torsional moment M. If throat of weld is t, then torsional shear stress is given by a) M/2πtr2 b) M/πtr2 c) M/4πtr2 d) None of the listed

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For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is (A) 1 (B) 2 (C) 3 (D) 5

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Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach its maximum permissible value first. (c) The moment of resistance will be less than that of the balanced section. (d) The concrete on the tension side is also be considered for calculating the moment of resistance of the section.

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Last Answer : both b&c

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.

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In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be (A) Less than 300 mm (B) Between 300 mm and 750 mm (C) Between 750 mm and 1 m (D) Greater than 1 m

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A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesion-less soil under an intensity of loading of 0.2 N/ram². The settlement of a prototype shallow footing 1 m square under the same intensity of loading is (A) 15 mm (B) Between 15 mm and 25 mm (C) 25 mm (D) Greater than 25 mm

Description : A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesion-less soil under an intensity of loading of 0.2 N/ram². The settlement of a prototype shallow footing 1 m square under the same intensity of ... (A) 15 mm (B) Between 15 mm and 25 mm (C) 25 mm (D) Greater than 25 mm

Last Answer : Answer: Option B

The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is (A) 2 /15 (B) 3 /16 (C) 3 /8 (D) /16

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Last Answer : (B) 3 /16 

Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is the same as that of the side of the square footing. The ratio between their ultimate bearing capacities will be : (a) 1.0 (b) 1.3 (c) 1.33 (d) 0.75

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Last Answer : (d) 0.75

The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same. (A) Circular beam is more economical (B) Square beam is more economical (C) Both the beams are equally strong (D) Both the beams are equally economical

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Last Answer : (B) Square beam is more economical 

The critical section for finding maximum bending moment for footing under masonry wall is located (A) At the middle of the wall (B) At the edge of the wall (C) Halfway between the middle and edge of the wall (D) At a distance equal to effective depth of footing from the edge of the wall

Description : The critical section for finding maximum bending moment for footing under masonry wall is located (A) At the middle of the wall (B) At the edge of the wall (C) Halfway between the middle and edge of the wall (D) At a distance equal to effective depth of footing from the edge of the wall

Last Answer : Answer: Option C

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

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

The locus of the moment of inertia about inclined axes to the principal axis, is (A) Straight line (B) Parabola (C) Circle (D) Ellipse

Description : The locus of the moment of inertia about inclined axes to the principal axis, is  (A) Straight line  (B) Parabola  (C) Circle  (D) Ellipse

Last Answer : (D) Ellipse

In case of principal axes of a section (A) Sum of moment of inertia is zero (B) Difference of moment inertia is zero (C) Product of moment of inertia is zero (D) None of these

Description : In case of principal axes of a section  (A) Sum of moment of inertia is zero  (B) Difference of moment inertia is zero  (C) Product of moment of inertia is zero  (D) None of these 

Last Answer : (C) Product of moment of inertia is zero 

The moment of inertia of a triangular section (height h, base b) about its base, is (A) bh²/12 (B) b²h/12 (C) bh3 /12(D) b 3h/12

Description : The moment of inertia of a triangular section (height h, base b) about its base, is  (A) bh²/12  (B) b²h/12  (C) bh3 /12  (D) b 3h/12 

Last Answer : (C) bh3 /12 

Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to (A) Modulus of rigidity (B) Angle of twist (C) Reciprocal of the length of the shaft (D) Moment of inertia of the shaft section

Description : Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly  proportional to  (A) Modulus of rigidity  (B) Angle of twist  (C) Reciprocal of the length of the shaft  (D) Moment of inertia of the shaft section 

Last Answer : (D) Moment of inertia of the shaft section 

If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is (A) (IX + IY)/2 (B) (IX - IY)/2 (C) IX + IY (D) (IX/IY)

Description : If Ix  and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia  of the section, is  (A) (IX + IY)/2  (B) (IX - IY)/2  (C) IX + IY (D) (IX/IY)

Last Answer : (C) IX + I

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

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Last Answer : (A) Zero length

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 units of moment of inertia of mass are (A) kg m² (B) m 4 (C) kg/m² (D) kg/m

Description : The units of moment of inertia of mass are  (A) kg m²  (B) m 4  (C) kg/m²  (D) kg/m 

Last Answer : (A) kg m² 

The stiffness factor for a prismatic beam of length L and moment of inertia I, is (A) IE/L (B) 2EI/L (C) 3EI/L (D) 4EI/L

Description : The stiffness factor for a prismatic beam of length L and moment of inertia I, is  (A) IE/L (B) 2EI/L (C) 3EI/L (D) 4EI/L

Last Answer : (A) IE/L

The units of moment of inertia of an area are (A) kg m² (B) m 4 (C) kg/m² (D) m

Description : The units of moment of inertia of an area are  (A) kg m²  (B) m 4  (C) kg/m²  (D) m

Last Answer : (B) m 4 

In a shaft shear stress intensity at a point is not (A) Directly proportional to the distance from the axis (B) Inversely proportional to the distance from the axis (C) Inversely proportional to the polar moment of inertia (D) Directly proportional to the applied torque

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Last Answer : (B) Inversely proportional to the distance from the axis

If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by (A) F = My/I (B) F = M/Z (C) F = dM/dx (D) F Mdx

Description : If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by (A) F = My/I (B) F = M/Z (C) F = dM/dx (D) F Mdx

Last Answer : (C) F = dM/dx

The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and (A) Moment of inertia (B) Polar moment of inertia (C) Polar modulus (D) Modulus of rigidly

Description : The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and (A) Moment of inertia (B) Polar moment of inertia (C) Polar modulus (D) Modulus of rigidly

Last Answer : (C) Polar modulus

he lateral earth pressure on a retaining wall (A) Is equal to mass of the soil retained (B) Proportional to the depth of the soil (C) Proportional to the square of the depth of the soil (D) Proportional to the internal friction of the soil

Description : he lateral earth pressure on a retaining wall (A) Is equal to mass of the soil retained (B) Proportional to the depth of the soil (C) Proportional to the square of the depth of the soil (D) Proportional to the internal friction of the soil

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If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than (A) WL/12 (L - 2D/3)² (B) WL/10 (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

Description : If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span ... (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

Last Answer : Answer: Option C

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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Pick up the correct statement from the following: (A) If the ratio of depth to width is less than 2, it is shallow foundation (B) If the ratio of depth to width is more than 2, it is deep foundation (C) If the ratio of the length to width is between 1 and 2, it is spread foundation (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: A. The boning rod is used for checking the levels of the sewer inverts B. Manhole covers are made circular for the convenience of the cleaning staff C. A manhole is classified as shallow manhole if its depth is less than 0.9 m D. All the above

Description : Pick up the correct statement from the following: A. The boning rod is used for checking the levels of the sewer inverts B. Manhole covers are made circular for the convenience of the cleaning staff C. A manhole is classified as shallow manhole if its depth is less than 0.9 m D. All the above

Last Answer : ANS: D

Consider the following statements: 1. The benefit of surcharge and depth of foundation is only marginal in case of footings on purely cohesive soils. 2. The bearing capacity of a footing in pure clay increases with increase in size of the footing. 3. Size effects in plate load tests are more important in case of cohesionless soils. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. The benefit of surcharge and depth of foundation is only marginal in case of footings on purely cohesive soils. 2. The bearing capacity of a footing in pure clay increases with increase in size of the ... , 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (d) 1 & 3 only

The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is (A) 0.1 (B) 0.55(C) 0.95 (D) 1.85

Description : The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is (A) 0.1 (B) 0.55 (C) 0.95 (D) 1.85

Last Answer : (C) 0.95