Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) 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 at least two of them must meet be all parallel All of the listed here meet in a point at least two of them must meet be all parallel ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/2 0.134 r r/A r/% r/2 0.134 r r/A r/% ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force is completely defined when we specify All of the listed here direction magnitude point of application All of the listed here direction magnitude point of application ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve catenary elliptical hyperbola parabola catenary elliptical hyperbola parabola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and V6 V5 and V5 3 and 1 kg 2 and 5 2 and V6 V5 and V5 3 and 1 kg 2 and 5 ANSWER DOWNLOAD EXAMIANS APP