Question 1

Which of the following does not influence the bending moment of a continuous beam?

Accepted Answer

A)  Loads
B)  Modulus of elasticity
C)  Moment of inertia
D)  None of the aboveE) B) and D)
F) B) and C)

Question 2

The Italian railway engineer Alberto Castigliano proposed two theorems related to the study of statically indeterminate structures. To which of the following properties does Castigliano's first theorem apply?

Accepted Answer

A)  Deflection
B)  Torsion
C)  Shear stress
D)  All of the aboveE) A) and B)
F) C) and D)

Question 3

Which of the following can be used to evaluate the impacts of combined normal and shear stresses?

Accepted Answer

A)  Mohr's circle
B)  Clapeyron's equation
C)  Castigliano's first theorem
D)  All of the aboveE) B) and C)
F) A) and B)

Question 4

Which of the following conventions is used to indicate tension on a truss diagram?

Accepted Answer

A)  Drawing arrows away from the pins
B)  Drawing arrows towards the pins
C)  Adding the tau symbol to the diagram near the truss member in tension
D)  None of the aboveE) B) and C)
F) A) and D) A

Question 5

Which of the following loading types will causes a beam to bend?

Accepted Answer

A)  Random
B)  Point
C)  Uniformly distributed
D)  B and CE) All of the above
F) B) and C) D

Question 6

When sketching the shape of a bending moment of a deflected beam, which of the following conventions is commonly used?

Accepted Answer

A)  Positive bending moment bends beam convex upwards
B)  Negative bending moment bends beam concave upwards
C)  Positive bending moment bends beam concave upwards
D)  All of the aboveE) None of the above
F) A) and C)

Question 7

Which of the following statements related to shear diagrams is not correct?

Accepted Answer

A)  Before a shear diagram is drawn, all load distributions should be simplified into point loads
B)  Shear diagrams begin and end at zero shear
C)  The shear force at a point is the total external load on the beam at that point
D)  The shear line representing a uniformly distributed load is linearE) A) and D)
F) A) and C)

Question 8

Which of the following passages best concludes the following statement regarding Castigliano's second theorem, the Method of Least Work:"the internal work accomplished by each member or each portion of a statically indeterminate structure subjected to a set of external loads is the least possible amount necessary to …"

Accepted Answer

A)  Deflect just to the point prior to failure
B)  Deform in a manner consistent with its physical limitations
C)  Maintain equilibrium in supporting the loads
D)  None of the aboveE) A) and B)
F) A) and C) C

Exam 9: Material Mechanics

Which of the following does not influence the bending moment of a continuous beam?

Correct Answer
verified

The Italian railway engineer Alberto Castigliano proposed two theorems related to the study of statically indeterminate structures. To which of the following properties does Castigliano's first theorem apply?

Correct Answer
verified

Which of the following can be used to evaluate the impacts of combined normal and shear stresses?

Correct Answer
verified

Which of the following conventions is used to indicate tension on a truss diagram?

Correct Answer
verified
A

Which of the following loading types will causes a beam to bend?

Correct Answer
verified
D

When sketching the shape of a bending moment of a deflected beam, which of the following conventions is commonly used?

Correct Answer
verified

Which of the following statements related to shear diagrams is not correct?

Correct Answer
verified

Correct Answer
verified
C

Exam 9: Material Mechanics

Which of the following does not influence the bending moment of a continuous beam?

Correct AnswerverifiedShow Answer

The Italian railway engineer Alberto Castigliano proposed two theorems related to the study of statically indeterminate structures. To which of the following properties does Castigliano's first theorem apply?

Correct AnswerverifiedShow Answer

Which of the following can be used to evaluate the impacts of combined normal and shear stresses?

Correct AnswerverifiedShow Answer

Which of the following conventions is used to indicate tension on a truss diagram?

Correct AnswerverifiedA

Which of the following loading types will causes a beam to bend?

Correct AnswerverifiedD

When sketching the shape of a bending moment of a deflected beam, which of the following conventions is commonly used?

Correct AnswerverifiedShow Answer

Which of the following statements related to shear diagrams is not correct?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedC

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C