Civil Engineering MCQs

A. introduce internal stresses
B. balance the other forces acting on it
C. retard its motion
D. change its motion

A. Not a replace them by a single force
B. To replace them by a single force
C. To replace them by a single force through c.g.
D. To replace them by a 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. The algebraic sum of the resolved parts of the forces in the given direction
B. The sum of the resolved parts of the forces in the given direction
C. The difference of the forces multiplied by the cosine of 9
D. The sum of the forces multiplied by the sine of 9

A. angstrom
B. light year
C. micron
D. millimeter

A. Kcal
B. Kg m
C. Kwhr
D. Hp

A. centripetal force of earth
B. gravitational pull exerted by the earth
C. forces experienced by body in atmos-phere
D. force of attraction experienced by par-ticles

A. coplanar force
B. non-coplanar forces
C. lever
D. moment

A. Maximum when it acts at the center of gravity of a body
B. Different at different points in its line of action
C. The same at every point in its line of action
D. Minimum when it acts at the c.g. of the body

A. Their total sum is zero
B. Two resolved parts in two directions at right angles are equal
C. Sum of resolved parts in any two per-pendicular directions are both zero
D. All of them are inclined equally