Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/A 0.134 r r/% r/2 r/A 0.134 r r/% r/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction at an angle equal to the angle of friction to the inclined plane vertically along the plane horizontally at an angle equal to the angle of friction to the inclined plane vertically along the plane horizontally ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in full equilibrium unpredictable partial equilibrium non-equilibrium full equilibrium unpredictable partial equilibrium non-equilibrium ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding 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 2/-3 (b)2j-l j-2 (d)3/-2 2/-3 (b)2j-l j-2 ANSWER DOWNLOAD EXAMIANS APP