Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 mr²/3 3mr²/5 2mr²/3 2mr²/5 mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 8v v 4v 2v 8v v 4v 2v ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be r/A 2r/3 r/2 3r/2 r/A 2r/3 r/2 3r/2 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 9 cm4 20 cm4 12 cm4 16 cm4 9 cm4 20 cm4 12 cm4 16 cm4 ANSWER DOWNLOAD EXAMIANS APP
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