Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/36 bh3/8 bh3/4 bh3/12 bh3/36 bh3/8 bh3/4 bh3/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Upwards Downwards Horizontal None of these Upwards Downwards Horizontal None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % Between 70 and 80% 1 Between 80 and 90% Between 60 and 70 % Between 70 and 80% 1 Between 80 and 90% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π/ω 2π × ω π/ω ω/2π 2π/ω 2π × ω π/ω ω/2π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP