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 20 kg, - ve sense 10 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of friction is equal to coefficient of friction the tangent of the angle of repose is equal to coefficient of friction the angle of repose is equal to angle of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of friction is equal to coefficient of friction the tangent of the angle of repose is equal to coefficient of friction the angle of repose is equal to angle of friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied couple moment coplanar force non-coplanar forces couple moment coplanar force non-coplanar forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body cannot balance each other are equivalent produce moment of a couple balance each other cannot balance each other are equivalent produce moment of a couple balance each other ANSWER DOWNLOAD EXAMIANS APP
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 A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve hyperbola catenary parabola elliptical hyperbola catenary parabola elliptical ANSWER DOWNLOAD EXAMIANS APP