Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l n-l 2n-3 n-2 2n-l n-l 2n-3 n-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either All of the listed here meet in a point be all parallel at least two of them must meet All of the listed here meet in a point be all parallel at least two of them must meet ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in two points perpendicular planes plane one point two points perpendicular planes plane one point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to velocity of sliding independent of the area of contact surfaces proportional to normal load between the surfaces dependent on the materials of contact surface proportional to velocity of sliding independent of the area of contact surfaces proportional to normal load between the surfaces dependent on the materials of contact surface 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 Balance each other Are equivalent Produce a couple and an unbalanced force Produce a moment of couple Balance each other Are equivalent ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of first order zeioth order third order second order first order zeioth order third order second order ANSWER DOWNLOAD EXAMIANS APP
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