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 Their total sum is zero Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Their total sum is zero Two resolved parts in two directions at right angles are equal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the ratio of limiting friction and normal reaction the friction force acting when the body is just about to move angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion ratio of limiting friction and normal reaction the friction force acting when the body is just about to move angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy kcal kg m watt hours wattr kcal kg m watt hours wattr ANSWER DOWNLOAD EXAMIANS APP