Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces 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 (d)3/-2 j-2 2/-3 (b)2j-l (d)3/-2 j-2 2/-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of metacentre point of suspension the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of metacentre point of suspension ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to Wan(a-) W W sin (a + $) Wtan(a + <|)) Wan(a-) W W sin (a + $) Wtan(a + <|)) ANSWER DOWNLOAD EXAMIANS APP
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/2 r/% r/A 0.134 r r/2 r/% 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 double four times half same double four times half same ANSWER DOWNLOAD EXAMIANS APP
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