Strength of Materials In the equation of virtual work, following force is neglected 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 All of the listed here reaction of a rough surface of a body which rolls on it without slipping 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 All of the listed here reaction of a rough surface of a body which rolls on it without slipping ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction constitute a moment of couple constitute a couple balance each other constitute a moment constitute a moment of couple constitute a couple balance each other constitute a moment ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in perpendicular planes one plane one point different planes perpendicular planes one plane one point different planes 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 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense 20 kg, + ve sense 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
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