Manufacturing And Production Technology It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be 180 r.p.m. 120 r.p.m. 20 r.p.m. 10 r.p.m. 180 r.p.m. 120 r.p.m. 20 r.p.m. 10 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In centreless grinding, the surface speed of regulating wheel is 60 to 90 m/min 5 to 15 m/min 90 to 120 m/min 15 to 60 m/min 60 to 90 m/min 5 to 15 m/min 90 to 120 m/min 15 to 60 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel) πdn πdn sinα πdn cosα πd πdn πdn sinα πdn cosα πd ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The effective number of lattice points in the unit cell of simple cubic, body centered cubic, and face centered cubic space lattices, respectively, are 2, 3, 4 1, 2, 4 1, 2, 2 2, 4, 4 2, 3, 4 1, 2, 4 1, 2, 2 2, 4, 4 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A jig is defined as a device which Holds and locates a workpiece and guides and controls one or more cutting tools Holds and locates a workpiece during an inspection or for a manufacturing operation All of these Is used to check the accuracy of workpiece Holds and locates a workpiece and guides and controls one or more cutting tools Holds and locates a workpiece during an inspection or for a manufacturing operation All of these Is used to check the accuracy of workpiece ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used? Gang drilling machine Sensitive drilling machine Multiple spindle drilling machine Radial drilling machine Gang drilling machine Sensitive drilling machine Multiple spindle drilling machine Radial drilling machine ANSWER DOWNLOAD EXAMIANS APP