Machine Design Which one of the following is a positive drive? Crossed flat belt drive Rope drive V-belt drive Chain drive Crossed flat belt drive Rope drive V-belt drive Chain drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
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 F.P F P F + P F.P F P F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Multiple threads Buttress threads Square threads Acme threads Multiple threads Buttress threads Square threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to (p - d) t.σt (p - d) σt p.t.σt p.d.σt (p - d) t.σt (p - d) σt p.t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is None of these Less than 50% More than 50% Equal to 50% None of these Less than 50% More than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP