Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h2/kG h × kG h/kG kG2/h h2/kG h × kG h/kG kG2/h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. None of these Maximum Minimum No None of these Maximum Minimum No ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 70 and 80% Between 80 and 90% 1 Between 60 and 70 % Between 70 and 80% Between 80 and 90% 1 Between 60 and 70 % ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the length of the handle Increasing the radius of the load drum All of these Increasing the number of teeth of the pinion Increasing the length of the handle Increasing the radius of the load drum All of these Increasing the number of teeth of the pinion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is 2.√(gh) 2g.√h √(gh) √(2gh) 2.√(gh) 2g.√h √(gh) √(2gh) ANSWER DOWNLOAD EXAMIANS APP