Manufacturing And Production Technology Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be 5 Joule 1000 Joule 0.2 Joule 1 Joule 5 Joule 1000 Joule 0.2 Joule 1 Joule ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The abrasive recommended for grinding materials of low tensile strength is Sand stone Aluminium oxide Silicon carbide Diamond Sand stone Aluminium oxide Silicon carbide Diamond ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Trepanning is performed for Finishing a drilled hole Producing a large hole without drilling Enlarging a drilled hole Truing a hole for alignment Finishing a drilled hole Producing a large hole without drilling Enlarging a drilled hole Truing a hole for alignment ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The soft grade grinding wheels are denoted by the letters A to H A to P I to P Q to Z A to H A to P I to P Q to Z ANSWER DOWNLOAD EXAMIANS APP
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 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. 180 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is 1.66 1.02 1.32 1.82 1.66 1.02 1.32 1.82 ANSWER DOWNLOAD EXAMIANS APP