Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if All of them are inclined equally Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal Their total sum is zero All of them are inclined equally Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the lever of third order, load W, effort P and fulcrum F are oriented as follows P between W and F W between P and F W, P and F all on one side F between W and P P between W and F W between P and F W, P and F all on one side F between W and P ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kg m hp kcal kWhr kg m hp kcal kWhr ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the bottom surface the mid point of its axis the center of heavy portion All of these the bottom surface the mid point of its axis the center of heavy portion All of these ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly 38 m 96 m 62.5 m 124 m 38 m 96 m 62.5 m 124 m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS