Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) d 0.75 d 0.5 d 1.25 d d 0.75 d 0.5 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Slotted for a screw driver and generally used with a nut Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of Lewis form factor used in design of gears is Independent of size of teeth Dependent on number of teeth of a gear Dependent on system of teeth All of these Independent of size of teeth Dependent on number of teeth of a gear Dependent on system of teeth All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt p.t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum shear stress theory is used for Nonferrous materials Brittle materials Plastic materials Ductile materials Nonferrous materials Brittle materials Plastic materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP