Strength of Materials A number of forces acting at a point will be in equilibrium if Two resolved parts in two directions at right angles are equal All of them are inclined equally Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the mid point of its axis All of these the center of heavy portion the bottom surface the mid point of its axis All of these the center of heavy portion the bottom surface 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=""> Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of moments if a system of coplanar forces is in equilibrium, then their algebraic sum is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the equation of virtual work, following force is neglected reaction of a rough surface of a body which rolls on it without slipping reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn All of the listed here reaction of a rough surface of a body which rolls on it without slipping reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the tangent of the angle of friction is equal to coefficient of friction the angle of repose is equal to angle of friction the tangent of the angle of repose is equal to coefficient of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of friction is equal to coefficient of friction the angle of repose is equal to angle of friction the tangent of the angle of repose is equal to coefficient of friction the sine of the angle of repose is equal to coefficient to friction ANSWER DOWNLOAD EXAMIANS APP
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