Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/5 2mr²/3 mr²/3 3mr²/5 2mr²/5 2mr²/3 mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% 1 Less than 50% Greater than 50% Equal to 50% 1 Less than 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Non-coplanar non-concurrent forces Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar concurrent forces Non-coplanar non-concurrent forces Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 200 50 100 400 200 50 100 400 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then Q = 2R Q = R None of the listed here P = Q Q = 2R Q = R None of the listed here P = Q ANSWER DOWNLOAD EXAMIANS APP
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