Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cyclic loading, stress concentration is more serious in Brittle materials Brittle as well as ductile materials Elastic materials Ductile materials Brittle materials Brittle as well as ductile materials Elastic materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Same Lower None of these Higher Same Lower None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre to centre distance between two consecutive rivets in a row, is called Diagonal pitch Back pitch Margin Pitch Diagonal pitch Back pitch Margin Pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as, Worm gearing Helical gearing Bevel gearing None of these Worm gearing Helical gearing Bevel gearing None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS