Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface independent of the area of contact surfaces proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface independent of the area of contact surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body The same at every point in its line of action Different at different points in its line of action Maximum when it acts at the center of gravity of a body Minimum when it acts at the C.G. of the body The same at every point in its line of action Different at different points in its line of action Maximum when it acts at the center of gravity of a body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between two dry surfaces bodies having relative motion solids and liquids two lubricated surfaces two dry surfaces bodies having relative motion solids and liquids two lubricated surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 25 250 50 100 25 250 50 100 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one circle parabola ellipse hyperbola circle parabola ellipse hyperbola ANSWER DOWNLOAD EXAMIANS APP
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