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 product of either force of couple with the arm of the couple is called resultant couple moment of the couple moment of the forces resulting couple resultant couple moment of the couple moment of the forces resulting couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kcal/kg sec. kW (kilowatt) kg m/sec hp (horse power) kcal/kg sec. kW (kilowatt) kg m/sec hp (horse power) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on area of contact strength of surfaces nature of surface shape of surfaces area of contact strength of surfaces nature of surface shape of surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for reducing the problem of kinetics to equivalent statics problem designing safe structures stability of floating bodies determining stresses in the truss reducing the problem of kinetics to equivalent statics problem designing safe structures stability of floating bodies determining stresses in the truss ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 25 100 50 250 25 100 50 250 ANSWER DOWNLOAD EXAMIANS APP