Multiple Choice Questions (MCQ) with Answers on Compound stresses
Multiple Choice Questions (MCQ) with Answers on Compound stresses
1-Principal planes are those planes on which
- Normal stress is maximum
- Normal stress is minimum
- Normal stress is either maximum or minimum
- Shear stress is maximum
(Ans: c)
2-In a general two dimensional stress system, there are
- Two principal planes
- Only one plane
- Three principal planes
- No principal plane
(Ans: a)
3-Principal planes are mutually inclined at
- 45 degree
- 60 degree
- 90 degree
- 180 degree
(Ans: c)
4-In a general two dimensional stress system, planes of maximum shear stress are inclined at ___ with principal planes.
- 90 degree
- 180 degree
- 45 degree
- 60 degree
(Ans: c)
5-In a general two dimensional stress system, the planes on which shear stress is zero
- The normal stress is minimum
- Normal stress is zero
- Normal stress is either maximum or minimum
- None of these
(Ans: c)
6-Angle of obliquity is defined as
- Angle between the plane on which stresses are evaluated and one of the given planes
- Angle between resultant stress and the plane of given normal stress
- Angle between resultant stress and shear stress
- Angle between resultant stress and normal stress
(Ans: d)
7-Mohr’s stress circle is named so because it has equation of the form
- x^2 + y^2 = r^2
- (x-a)^2 + y^2 = r^2
- (x-a)^2 + (y-b)^2 = r^2
- It was desired by German Engineer Otto Mohr
(Ans: b)
8-Ellipse of stress is used to find
- Resultant stress on any plane in a bi-axial stress system
- Resultant stress on any plane in a general two dimensional system
- Maximum shear stress
- Location of planes of maximum shear stress
(Ans: a)
9-In Mohr’s circle of strain, y-axis represents
- Shear strain
- Half of shear strain
- Normal strain
- Half of normal strain
(Ans: b)
10-In a general two dimensional stress system, Ellipse of stress can find
- Principal planes
- Principal stresses
- Planes of maximum shear stress
- Resultant stress on any plane
(Ans: d)