A column said to be under uniaxial bending, when the eccentricity is [ A ] with respect to one axis only [ B ] with respect to two axes [ C ] zero [ D ] 20 mm

A column said to be under uniaxial bending, when the eccentricity is
[ A ] with respect to one axis only
[ B ] with respect to two axes
[ C ] zero
[ D ] 20 mm
by

1 Answer

Answer :

[ A ] with respect to one axis only
by

Related questions

square cross section b/h/h'=400/400/40mm with a reinforcement ratio of p=0.015 is loaded for action forces of axial load plus uniaxial bending.the column is to be made of C25/30 concrete & S-460 steel.check whether the column AB is short or long?

Description : square cross section b/h/h'=400/400/40mm with a reinforcement ratio of p=0.015 is loaded for action forces of axial load plus uniaxial bending.the column is to be made of C25/30 concrete & S-460 steel.check whether the column AB is short or long?

Last Answer : 10001/999900

As compared to uniaxial tension or compression, the strain energy stored in bending is only (A) 1/8 (B) 1/4 (C) 1/3 (D) 1/2

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Which one of the following statements is correct? (A) When the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity (B) The mean of the readings of the two verniers gives correct reading free from the eccentricity (C) One Vernier may be used if the readings of two verniers differ by a constant (D) All the above

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The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is (A) 2.75 cm (B) 3.00 cm (C) 3.50 cm (D) 4.25 cm

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The greatest eccentricity which a load W can have without producing tension on the cross-section of a short column of external diameter D and internal diameter d, is (A) 4W/ (D² - d²) (B) (D² - d²)/32D (C) (D² + d²)/8D (D) (D² - d²)/8D

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If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge (A) Is increased by PZ/e (B) Is increased by Pe/Z (C) Is decreased by Pe/Z (D) Remains unchanged

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What is the moment of inertia acting on a semicircle of radius 20 mm about the asymmetrical axes? a. 125.663 x 103 mm4 b. 17600 mm4 c. 1500 mm4 d. 8800 mm4

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A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is (A) -0.8 (B) 0.8 (C) +0.08 (D) -0.24

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A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is (A) 411 N mm (B) 511 N mm (C) 611 N mm (D) 711 N mm

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Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular of the vertical axis (c) Error due to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

Description : Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular ... to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

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To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than (A) b/3 (B) b/4 (C) b/5 (D) b/6

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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

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In a cantilever carrying a uniformly varying load starting from zero at the free end, the Bending moment 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

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A fire hose has a nozzle attached to it, and the nozzle discharges a jet of water into the atmosphere at a velocity of 20 m/s. this causes the joint of the nozzle with the hose to be in : (a) Tension (b) A state of zero stress (c) Compression (d) Bending stress

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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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The curve given below shows enzymatic activity in relation to three conditions (pH, temperature and substrate concentration). What do the two axes (X and Y) represent? X-axis Y-axis (a) Enzymatic activity pH (b) Temperature Enzyme activity (c) Substrate Enzymatic concentration activity (d) Enzymatic activity Temperature

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Worm gear are used for transmitting power between two Shaft Inclined at e. At right angle to each other and axes can intersect f. At right angle to each other but axis cannot intersect each other g. At right angle to each other and in different planes h. None of the above

Description : Worm gear are used for transmitting power between two Shaft Inclined at e. At right angle to each other and axes can intersect f. At right angle to each other but axis cannot intersect each other g. At right angle to each other and in different planes h. None of the above

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Secondary Linear Axes U,V & W are ……… to X,Y & Z-axis. a.Perpendicular b.Parallel c.Rotational d.All of the above

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A CNC Lathe is usually a machine tool with Z axes is….. a.Line Joining origin and vertical movement b.Line perpendicular to Y axis c.Both A & B d.Line Joining Chuck centre & tail stock centre

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

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A column is said to be of medium size if its slenderness ratio is between (A) 20 and 32 (B) 32 and 120 (C) 120 and 160(D) 160 and 180

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An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than (A) 22.5 mm (B) 18.5 mm (C) 16.5 mm (D) 13.5 m

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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

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What is the maximum shear stress induced in a solid shaft of 50 mm diameter which is subjected to both bending moment and torque of 300 kN.mm and 200 kN.mm respectively? a. 9.11 N/mm2 b. 14.69 N/mm2 c. 16.22 N/mm2 d. 20.98 N/mm2

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Last Answer : b. 14.69 N/mm2

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

A T-section beam having flange 180mm wide and 20 mm thick and web 150 mm long and 20 mm thick carries a udl of 80 kN/m over an effective span of 8 m. Calculate the maximum bending stress.

Description : A T-section beam having flange 180mm wide and 20 mm thick and web 150 mm long and 20 mm thick carries a udl of 80 kN/m over an effective span of 8 m. Calculate the maximum bending stress.

Last Answer : Solution :

A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be (A) p/a² (B) 2p/a² (C) 3p/a² (D) 4p/a²

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Last Answer : (C) 3p/a²

If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by (A) B.M = pb (c - a)/4 (B) B.M = pb (b - a)²/4 (C) B.M = pb (b - a)²/8 (D) B.M = pb (b + a)/8

Description : If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by (A) B.M = pb (c - a)/4 (B) B.M = pb (b - a)²/4 (C) B.M = pb (b - a)²/8 (D) B.M = pb (b + a)/8

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.

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

A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2 , the depth of the joist, is (A) 200 mm (B) 250 mm (C) 300 mm (D) 400 mm

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Last Answer : (D) 400 mm 

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

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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

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Last Answer : (D) All the above

A close coil helical spring when subjected to a moment M having its axis along the axis of the helix (A) It is subjected to pure bending (B) Its mean diameter will decrease (C) Its number of coils will increase (D) All the above

Description : A close coil helical spring when subjected to a moment M having its axis along the axis of the helix  (A) It is subjected to pure bending  (B) Its mean diameter will decrease  (C) Its number of coils will increase  (D) All the above 

Last Answer : (A) It is subjected to pure bending 

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 

A doubly reinforced section is used (a) When the members are subjected to alternate external loads and the bending moment in the sections reverses. (b) When the member are subjected to loading eccentric in either side of the axis. (c) When the members are subjected to accidental lateral loads . (d) All of the above

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Last Answer : (d) All of the above

In a three hinged arch, the bending moment will be zero (A) At right hinge only (B) At left hinge only (C) At both right and left hinges (D) At all the three hinges

Description : In a three hinged arch, the bending moment will be zero (A) At right hinge only (B) At left hinge only (C) At both right and left hinges (D) At all the three hinges

Last Answer : (D) At all the three hinges

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

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

Last Answer : (a) Lesser load

To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is (A) Middle half rule of columns (B) Middle third rule of columns (C) Middle fourth rule of columns (D) None of these

Description : To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is (A) Middle half rule of columns (B) Middle third rule of columns (C) Middle fourth rule of columns (D) None of these

Last Answer : (C) Middle fourth rule of columns

The maximum permissible eccentricity for no tension at the base of a gravity dam is (A) B/2 (B) B/3 (C) B/4 (D) B/6

Description : The maximum permissible eccentricity for no tension at the base of a gravity dam is (A) B/2 (B) B/3 (C) B/4 (D) B/6

Last Answer : Answer: Option D