In the virtual work method of plastic analysis of steel structures, the virtual quantity is
(a) Slope (b) Moment (c) Load (d) Displacement

1 Answer

Answer :

(d) Displacement

Related questions

Description : Which of the following methods of structural analysis is a displacement method? (A) Moment distribution method (B) Column analogy method (C) Three moment equation (D) None of the above

Last Answer : (A) Moment distribution method

Description : The moment-distribution method in structural analysis falls in the category of (a) Displacement method (b) Force method (c) Flexibility method (d) First order approximate method

Last Answer : (a) Displacement method

Description : Which of the following methods of structural analysis is a force method? (A) Slope deflection method (B) Column analogy method (C) Moment distribution method (D) None of the above

Last Answer : (B) Column analogy method

Description : Steel Beam theory is the method of analysis and a design of [ A ] Singly reinforced sections [ B ] Doubly reinforced sections [ C ] Both (a) and (b) [ D ] Steel structures only

Last Answer : [ B ] Doubly reinforced sections

Description : Steel Beam theory is the method of analysis and a design of [ A ] Singly reinforced sections [ B ] Doubly reinforced sections [ C ] Both (a) and (b) [ D ] Steel structures only

Last Answer : [ B ] Doubly reinforced sections

Description : For structural analysis, Maxwell's reciprocal theorem can be applied to: (A) Plastic structures (B) Elastic structures (C) Symmetrical structures (D) All the above

Last Answer : (B) Elastic structures

Description : In the displacement method of structural analysis, the basic unknowns are (A) Displacements (B) Force (C) Displacements and forces (D) None of the above

Last Answer : (A) Displacements

Description : Which of the following is not the displacement method? (A) Equilibrium method (B) Column analogy method (C) Moment distribution method (D) Kani's method

Last Answer : (B) Column analogy method

Description : Select incorrect statement from the following. In the Virtual work method, it is generally assumed that [ A ] Elastic deformations in the slab are negligible [ B ] Plastic deformations in the slab are negligible [ C ] Plastic deformations takes place at the yield lines [ D ] Both (a) and (b)

Last Answer : [ B ] Plastic deformations in the slab are negligible

Description : Yield line analysis by equilibrium method gives ------------------ to that of obtained by virtual work method [ A ] Equal values [ B ] Lesser values [ C ] Higher values [ D ] None of the above.

Last Answer : [ A ] Equal values

Description : In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having (A) Longest duration (B) Highest cost slope (C) Least cost slope (D) Shortest duration

Last Answer : (C) Least cost slope

Description : A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which  causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the  joist will be,  (A) 10 m  (B) 12 m  (C) 14 m  (D) 16 m 

Last Answer : (D) 16 m 

Description : 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 ... joist, is  (A) 200 mm  (B) 250 mm  (C) 300 mm  (D) 400 mm 

Last Answer : (D) 400 mm 

Description : Virtual work method and equilibrium method gives ---------------- to the collapse load on the slab [ A ] Upper bound [ B ] Lower bound [ C ] Upper bound and lower bound respectively [ D ] None of the above.

Last Answer : [ A ] Upper bound

Description : For structural analysis of forces, the method refers to  (A) Moment-area-theorem  (B) Three-moment equation  (C) Maxwell's reciprocal theorem  (D) None of these

Last Answer : (A) Moment-area-theorem 

Description : For filling cracks in masonry structures, the type of bitumen used, is (A) Cut-back bitumen (B) Bitumen-emulsion (C) Blown bitumen (D) Plastic bitumen

Last Answer : Answer: Option D

Description : Geographic Information Systems can assist the location decision by a. ion by a. automating cen ating center of gr ter of gravity pro avity problems b. computerizing factor ... transportation method solutions e. giving good Internet Internet placement placement for virtual virtual storefronts

Last Answer : c. combining geography with demographic analysis

Description : Is velocity the slope of the displacement vs time graph true or false?

Last Answer : that is true

Description : What does a slope of force vs displacement graph represent?

Last Answer : A curve of a force F, vs displacement x (F vs x), represents the magnitude of a force as it is producing a displacement of a body. The area under the curve froma point x1, to point x2, represents ... the slope is zero, (dF/dx=0),meaning that the force is not varying as the displacement takes place.

Description : The slope of a velocity-time graph represents – (1) acceleration (2) displacement (3) distance (4) speed

Last Answer : (1) acceleration Explanation: A plot of velocity-time is used to determine the acceleration of an object (the slope). If the acteleration is zero, then the velocity-time graph is a horizontal line (i.e ... is positive, then the line is an upward sloping line (i.e., the slope is positive).

Description : If the slope of a graph is zero and so the displacement, then velocity is A. increasing B. decreasing C. constant D. zero

Last Answer : zero

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

Description : The slope of a velocity-time graph represents (1) acceleration (2) displacement (3) distance (4) speed

Last Answer : acceleration

Description : Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Last Answer : (3) It is a vector quantity Explanation: Vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

Description : In the slope deflection equations, the deformations are considered to be caused by (i) Bending moment (ii) Shear force (iii) Axial force The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Last Answer : (A) Only (i)

Description : Bending moment at any section in a conjugate beam gives in the actual beam (A) Slope (B) Curvature (C) Deflection (D) Bending moment

Last Answer : (C) Deflection

Description : Dead weight tonnage of a ship (i) Varies with latitude and season (ii) Is more than displacement tonnage (iii) Is the difference between displacement load and displacement light Of these statements (A) i) ... ii) and iii) are correct (C) i) and iii) are correct (D) Only iii) is correct

Last Answer : (C) i) and iii) are correct

Description : In a continuous bending moment curve the point where it changes sign, is called (A) Point of inflexion (B) Point of contraflexure (C) Point of virtual hinge (D) All the above

Last Answer : (D) All the above

Description : The ultimate load capacity of slabs can be determined by using the principle of i.Super position ii.Virtual work iii. Equilibrium [ A ] i [ B ] ii [ C ] i and iii [ D ] ii and iii

Last Answer : [ D ] ii and iii

Description : In the strain energy method of slope and deflection ,load is applied a. gradually b.suddenly c.with an impact. d.None.

Last Answer : c.with an impact.

Description : According to Water-Cement Ratio Law, the strength of workable plastic concrete (A) Depends upon the amount of water used in the mix (B) Does not depend upon the quality of cement mixed with aggregates (C) Does not depend upon the quantity of cement mixed with aggregates (D) All the above

Last Answer : Answer: Option D

Description : Which one of the following is not an internal factor affects in slope processes? (A) Lithology of the materials on the slope (B) Ground water or rain water (run off) (C) Geological Structures (D) Earthquakes (Tectonic activity)

Last Answer : (D) Earthquakes (Tectonic activity) 

Description : Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Last Answer : [ C ] Strength of concrete decreases as age increases

Description : Which of the following is scalar quantity a.Area of triangle b.Displacement of a particle c.Acceleration of car d.Force of friction e.Velocity a gear

Last Answer : a. Area of triangle

Description : Which of the following is not a vector quantity? (1) Speed (2) Velocity (3) Torque (4) Displacement

Last Answer : (1) Speed Explanation: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. It does not keep track of direction. In contrast, velocity is a vector quantity as it is direction aware.

Description : Displacement is a A. scalar quantity B. vector quantity C. base quantity D. derived quantity

Last Answer : vector quantity

Description : The charge build up in the capacitor is due to which quantity? a) Conduction current b) Displacement current c) Convection current d) Direct current

Last Answer : d) Direct current

Description : Which of the following is not a vector quantity ? (1) Speed (2) Velocity (3) Torque (4) Displacement

Last Answer : Speed

Description : The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with  a uniformly distributed load l t per horizontal length is (where Ic  is the M.I. at the crown, which  varies as the slope ... arch).  (A) 50/EIc (B) 100/EIc (C) 150/EIc (D) 200/E

Last Answer : (D) 200/E

Description : If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is (A) w (R + T)/T (B) w (R² + T²)/T (C) w (R + T)/T (D) w (R/T)

Last Answer : Answer: Option B

Description : In plastic analysis, the shape factor for a circular section, is  (A) 1.5  (B) 1.6  (C) 1.7  (D) 1.75 

Last Answer : (C) 1.7 

Description : In plastic analysis, the shape factor for a triangular section, is  (A) 1.5  (B) 1.34  (C) 2.34  (D) 2.5 

Last Answer : (C) 2.34 

Description : In plastic analysis, the shape factor for rectangular section, is  (A) 1.4  (B) 1.5  (C) 1.6  (D) 1.7

Last Answer : (B) 1.5 

Description : Terzaghi's analysis assumes: (A) Soil is homogeneous and isotropic (B) Elastic zone has straight boundaries inclined at = to the horizontal and plastic zones fully developed (C) Failure zones do not extend above the horizontal plane through the base of the footing (D) All the above

Last Answer : Answer: Option D

Description : The Castigliano's second theorem can be used to compute deflections (A) In statically determinate structures only (B) For any type of structure (C) At the point under the load only (D) For beams and frames only

Last Answer : (B) For any type of structure

Description : The virtual work method is based on the principle [ A ] External work done = Internal work done. [ B ] External work done + Internal work done. [ C ] External work done - Internal work done. [ D ] None of the above.

Last Answer : [ A ] External work done = Internal work done.

Description : For thermal analysis, the field variable is a.stress b.strain c.displacement d.Temperature

Last Answer : d.Temperature

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 

Description : Effects of shear force and axial force on plastic moment capacity of a structure are respectively to (A) Increase and decrease (B) Increase and increase (C) Decrease and increase (D) Decrease and decrease

Last Answer : (D) Decrease and decrease