D Alembert’s principle is used for stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss TRUE ANSWER : ? YOUR ANSWER : ?
Coulomb friction is the friction between two lubricated surfaces two dry surfaces solids and liquids bodies having relative motion TRUE ANSWER : ? YOUR ANSWER : ?
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 25 250 100 50 TRUE ANSWER : ? YOUR ANSWER : ?
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor and wall both are rough sur-faces TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a scalar quantity density mass acceleration volume TRUE ANSWER : ? YOUR ANSWER : ?
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/A r/2 r/% 0.134 r TRUE ANSWER : ? YOUR ANSWER : ?
If n = number of members andy = number of joints, then for a perfect frame, n = 2/-3 j-2 (b)2j-l (d)3/-2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not the unit of work, energy and heat ? kg m hp kWhr kcal TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the example of lever of first order? Pair of scissors Arm of man All of the listed here Pair of clinical tongs TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not the unit of pressure ? newton. atmosphere kg/cm mm of wcl TRUE ANSWER : ? YOUR ANSWER : ?