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 20 kg, + ve sense 10 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of zeioth order third order second order first order zeioth order third order second order first order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (b)2j-l j-2 (d)3/-2 2/-3 (b)2j-l j-2 (d)3/-2 2/-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is in motion 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 ratio of limiting friction and normal reaction the friction force acting when the body is in motion the friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in unpredictable non-equilibrium partial equilibrium full equilibrium unpredictable non-equilibrium partial equilibrium full equilibrium 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 L/3 2L/3 L/2 3L/4 L/3 2L/3 L/2 ANSWER DOWNLOAD EXAMIANS APP