Engineering Mechanics The maximum efficiency of a screw jack is (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection. More than Less than None of These Equal to More than Less than None of These Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of motion involved in the recoil of gun is None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force. Equal to Greater than None of these Less than Equal to Greater than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as Angle of friction Angle of repose Angle of banking None of these Angle of friction Angle of repose Angle of banking None of these ANSWER DOWNLOAD EXAMIANS APP