Strength of Materials If a number of forces act simultaneously on a particle, it is possible Not a replace them by a single force To replace them by a couple To replace them by a single force To replace them by a single force through C.G. Not a replace them by a single force To replace them by a couple To replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The co-efficient of friction depends upon All of the listed here shape of the surfaces area of contact nature of surfaces All of the listed here shape of the surfaces area of contact nature of surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Balance each other Produce a moment of couple Produce a couple and an unbalanced force Are equivalent Balance each other Produce a moment of couple Produce a couple and an unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in two points perpendicular planes one point plane two points perpendicular planes one point plane ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 2r/3 r/2 r/A 3r/2 2r/3 r/2 r/A 3r/2 ANSWER DOWNLOAD EXAMIANS APP