Manufacturing And Production Technology In centreless grinding, the surface speed of regulating wheel is 15 to 60 m/min 90 to 120 m/min 60 to 90 m/min 5 to 15 m/min 15 to 60 m/min 90 to 120 m/min 60 to 90 m/min 5 to 15 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz. Calculate R.P.M. and energy requirement of the above circular electrodes assuming effective resistance between electrodes as 100 ohm. 6.8 rpm, 6 joules 22 rpm, 600 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint. Double riveted None of these Both (A) and (B) Single riveted Double riveted None of these Both (A) and (B) Single riveted ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The addition of lead, sulphur and phosphorus to low carbon steels, help to Break up chips Improve machinability Reduce built up edge All of these Break up chips Improve machinability Reduce built up edge All of these ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A drill considered as a cutting tool having zero rake, is known as a Straight fluted drill Tapered shank twist drill Parallel shank twist drill Flat drill Straight fluted drill Tapered shank twist drill Parallel shank twist drill Flat drill ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The percentage of carbon in gray cast iron is in the range of 1.25 to 1.75 percent 3 to 4 percent 0.25 to 0.75 percent 8 to 10 percent 1.25 to 1.75 percent 3 to 4 percent 0.25 to 0.75 percent 8 to 10 percent ANSWER DOWNLOAD EXAMIANS APP