Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be 2g √2.g g/2 g 2g √2.g g/2 g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω2 Iω 0.5 Iω 0.5 Iω2 Iω2 Iω 0.5 Iω 0.5 Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Greater than Less than Equal to None of these Greater than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 3mr²/5 mr²/3 2mr²/3 2mr²/5 3mr²/5 mr²/3 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
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