Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(2gh) √(gh) 2.√(gh) 2g.√h √(2gh) √(gh) 2.√(gh) 2g.√h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as Principle of independence of forces Principle of transmissibility of forces None of these Principle of resolution of forces Principle of independence of forces Principle of transmissibility of forces None of these Principle of resolution of forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 7mr²/3 2mr²/5 7mr²/5 2mr²/3 7mr²/3 2mr²/5 7mr²/5 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A couple produces Rotational motion None of these Translatory motion Combined translatory and rotational motion Rotational motion None of these Translatory motion Combined translatory and rotational motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/2 v v/4 v/8 v/2 v v/4 v/8 ANSWER DOWNLOAD EXAMIANS APP