Strength of Materials In the equation of virtual work, following force is neglected All of the listed here reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of a rough surface of a body which rolls on it without slipping All of the listed here reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of a rough surface of a body which rolls on it without slipping ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines 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 mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is half same double four times half same double four times 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 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 According to principle of transmissibility of forces, the effect of a force upon a body is The same at every point in its line of action Maximum when it acts at the center of gravity of a body Minimum when it acts at the C.G. of the body Different at different points in its line of action The same at every point in its line of action Maximum when it acts at the center of gravity of a body Minimum when it acts at the C.G. of the body Different at different points in its line of action ANSWER DOWNLOAD EXAMIANS APP