Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Downward at its upper end Towards the wall at its upper end Upward at its upper end Away from the wall at its upper end Downward at its upper end Towards the wall at its upper end Upward at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43832 43864 43892 43865 43832 43864 43892 43865 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact. Greater than Equal and opposite to Equal to Less than Greater than Equal and opposite to Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body. Greater than Less than Equal to None of these Greater than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 70 and 80% Between 80 and 90% Between 60 and 70 % 1 Between 70 and 80% Between 80 and 90% Between 60 and 70 % 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be 1 Greater than 50% Equal to 50% Less than 50% 1 Greater than 50% Equal to 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
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