Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal density of metal can’t be determined metal is twice as dense as unknown fluid metal is twice as dense as water metal will float in water density of metal can’t be determined metal is twice as dense as unknown fluid metal is twice as dense as water metal will float in water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss stability of floating bodies ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is 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 proportional to velocity of sliding ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height three-eighth of the total height above the base one-third of the total height above base one-fourth of the total height above base one-half of the total height above base three-eighth of the total height above the base one-third of the total height above base one-fourth of the total height above base one-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a triangle lies at the point of Intersection of diagonals Intersection of its altitudes Concurrence of the medians Intersection of bisector of angles Intersection of diagonals Intersection of its altitudes Concurrence of the medians Intersection of bisector of angles ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 2n-l n-l n-2 2n-3 2n-l n-l n-2 ANSWER DOWNLOAD EXAMIANS APP