Strength Of Materials MCQ Questions & Answers | Civil Engineering

A. Equal to the moment of the couple

B. Constant

C. Both of above are correct

D. Both of above are wrong

A. Introduce internal stresses

B. Retard its motion

C. Change its motion

D. All of the above

A. Friction

B. Limiting friction

C. Repose

D. Kinematic friction

A. Coplanar force

B. Non-coplanar forces

C. Moment

D. Couple

A. If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

B. If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

C. If a polygon representing forces acting at a point is closed then forces are in equilibrium

D. If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

A. $${\text{W}}\tan \left( {\alpha + \varphi } \right)$$

B. $${\text{W}}\tan \left( {\alpha - \varphi } \right)$$

C. $${\text{W}}\cos \left( {\alpha + \varphi } \right)$$

D. $${\text{W}}\sin \left( {\alpha + \varphi } \right)$$

A. Mechanical advantage is greater than velocity ratio

B. Mechanical advantage is equal to velocity ratio

C. Mechanical advantage is less than velocity ratio

D. Mechanical advantage is unity

A. The floor is smooth and the wall is rough

B. The floor is rough and the wall is smooth

C. The floor and wall both are smooth surfaces

D. The floor and wall both are rough surfaces

A. $$\frac{{\text{h}}}{2}$$

B. $$\frac{{\text{h}}}{3}$$

C. $$\frac{{\text{h}}}{6}$$

D. $$\frac{{\text{h}}}{4}$$

A. If a system of coplanar forces is in equilibrium, then their algebraic sum is zero

B. If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero

C. The algebraic sum of the moments of any two forces about any point is equal to moment of the resultant about the same point

D. Positive and negative couples can be balanced