Strength of Materials A number of forces acting at a point will be in equilibrium if Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of third order second order first order zeioth order third order second order first order zeioth order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A cable with a uniformly distributed load per horizontal metre run will take the following shape Hyperbola Straight line Elliptical Parabola Hyperbola Straight line Elliptical Parabola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on area of contact nature of surface shape of surfaces strength of surfaces area of contact nature of surface shape of surfaces strength of surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion 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 3 and 1 kg 2 and 5 V5 and V5 2 and V6 3 and 1 kg 2 and 5 V5 and V5 ANSWER DOWNLOAD EXAMIANS APP