Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% equal to 100% more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-third of the total height above base None of these One-fourth of the total height above base One-half of the total height above base One-third of the total height above base None of these One-fourth of the total height above base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only None of these Both (A) and (B) Area of contact only Nature of surfaces only None of these Both (A) and (B) Area of contact only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is 50 kg 120 kg 750 kg 100 kg 50 kg 120 kg 750 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a Cycloid Ellipse Catenary Parabola Cycloid Ellipse Catenary Parabola ANSWER DOWNLOAD EXAMIANS APP