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Structural Analysis Mcqs

Q:

Carryover Moment is defined as ______

A) The moment applied at one end to cause unit slope at the support B) The additional moment applied at one end to completely resist the rotation caused due to external loading
C) The moment developed or induced at one end due to a moment at another end D) The moment applied at one end to cause unit slope at another end
 
Answer & Explanation Answer: C) The moment developed or induced at one end due to a moment at another end

Explanation: Carryover Moment is defined as the moment developed or induced at one end due to a moment at another end. It is useful in calculating stiffness factor and moment distribution for a particular joint.

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869
Q:

Live loads, with time can vary in:-

A) Magnitude B) Position
C) Neither position nor magnitude D) Position as well as magnitude
 
Answer & Explanation Answer: D) Position as well as magnitude

Explanation: They are caused by occupancy, use and maintenance of buildings.

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801
Q:

What is the major difference between truss and beam?

A) Beam can’t transmit load in vertical direction while truss can B) Truss can’t transmit load in vertical direction while beam can
C) Beam can’t transmit load in axial direction while truss can D) Truss can’t transmit load in axial direction while beam can
 
Answer & Explanation Answer: B) Truss can’t transmit load in vertical direction while beam can

Explanation: Due to its geometry, all bending loads get converted to compressive or tensile load in trusses.

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654
Q:

An arch is a beam except for ____

A) It does not resist inclined load B) It does not resist transverse forces
C) It does not allow rotation at any point D) It does not allow horizontal movement
 
Answer & Explanation Answer: D) It does not allow horizontal movement

Explanation: An arch is a curved member in which horizontal displacements are prevented at the supports/springings/abutments.

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522
Q:

What is the SI unit of stiffness coefficient?

A) M/KN B) KN/M
C) KN D) M
 
Answer & Explanation Answer: B) KN/M

Explanation: It is load/force per unit deflection.

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342
Q:

Which of the following is not a valid assumption in analysis of truss?

A) Members are subjected to axial forces only B) Loads and reactions will act directly or indirectly at the members only
C) Member varies linearly only D) All joints are smooth and frictionless hinges
 
Answer & Explanation Answer: B) Loads and reactions will act directly or indirectly at the members only

Explanation: The basic assumption for truss analysis are as follows:
Members are subjected to axial forces only
Loads and reactions will act directly or indirectly at the joints only
Member varies linearly only
All joints are smooth and frictionless hinges.

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314
Q:

Which of the following is statically determinate structure?

A) Fixed beam B) Continuous beam
C) Two hinged arch D) Double overhanging
 
Answer & Explanation Answer: D) Double overhanging

Explanation: Double overhanging can be analysed by available three equilibrium equations i.e. ?Fx=0, ?Fy=0, and ?M = 0.

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311
Q:

Portal method is more suitable for building having:-

A) High elevation B) Low elevation
C) Medium elevation D) Elevation don’t matter
 
Answer & Explanation Answer: B) Low elevation

Explanation: On comparing with more exact indeterminate analysis, portal method is more suitable for lower elevation.

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295