Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr² 2mr²/5 mr²/2 2mr²/3 mr² 2mr²/5 mr²/2 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α - φ)/tanα tanα/tan (α + φ) tan(α + φ)/tanα None of these tan(α - φ)/tanα tanα/tan (α + φ) tan(α + φ)/tanα None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 20 cm4 16 cm4 9 cm4 12 cm4 20 cm4 16 cm4 9 cm4 12 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% 1 Greater than 50% Equal to 50% Less than 50% 1 Greater than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar non-concurrent forces are those forces which None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as None of these Angle of friction Angle of banking Angle of repose None of these Angle of friction Angle of banking Angle of repose ANSWER DOWNLOAD EXAMIANS APP
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