Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 n-l n-2 2n-l 2n-3 n-l n-2 2n-l ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials 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 stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (d)3/-2 j-2 2/-3 (b)2j-l (d)3/-2 j-2 2/-3 (b)2j-l ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, - ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, + ve sense 10 kg, - ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 2L/3 L/2 L/3 3L/4 2L/3 L/2 L/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in plane one point perpendicular planes two points plane one point perpendicular planes two points ANSWER DOWNLOAD EXAMIANS APP