Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l 2n-3 n-l n-2 2n-l 2n-3 n-l n-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called frictional resistance limiting friction post friction dynamic friction frictional resistance limiting friction post friction dynamic friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for reducing the problem of kinetics to equivalent statics problem stability of floating bodies designing safe structures determining stresses in the truss reducing the problem of kinetics to equivalent statics problem stability of floating bodies designing safe structures determining stresses in the truss ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same more may be less of more depending on nature of surfaces and velocity less same more may be less of more depending on nature of surfaces and velocity less ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will slant down towards direction of pull slant up towards direction of pull remain horizontal unpredictable slant down towards direction of pull slant up towards direction of pull remain horizontal unpredictable 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