Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(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 The center of gravity of a triangle lies at the point of Concurrence of the medians Intersection of its altitudes Intersection of diagonals Intersection of bisector of angles Concurrence of the medians Intersection of its altitudes Intersection of diagonals Intersection of bisector of angles 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 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 All of the listed here meet in a point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 2L/3 L/3 3L/4 L/2 2L/3 L/3 3L/4 L/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is pascal newton watt joule pascal newton watt joule ANSWER DOWNLOAD EXAMIANS APP