Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is P F.P F + P F P F.P F + P F ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 10 N-m 7 N-m 5 N-m 15 N-m 10 N-m 7 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is More than 50% Less than 50% None of these Equal to 50% More than 50% Less than 50% None of these Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2 d 1.5 d 2.5 d d 2 d 1.5 d 2.5 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The washer is generally specified by its Outer diameter Hole diameter Thickness Mean diameter Outer diameter Hole diameter Thickness Mean diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Less than unity None of these Greater than unity Equal to 1 Less than unity None of these Greater than unity Equal to 1 ANSWER DOWNLOAD EXAMIANS APP