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 1.82 1.02 1.32 1.66 1.82 1.02 1.32 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Grinding wheels should be tested for balance At the end of grinding operation Only at the time of manufacture Before starting the grinding operation Occasionally At the end of grinding operation Only at the time of manufacture Before starting the grinding operation Occasionally ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In ultrasonic machining, the metal is removed by Direct contact of tool with the work Maintaining an electrolyte between the work and tool in a very small gap between the two Erosion caused by rapidly recurring spark discharges between the tool and work Using abrasive slurry between the tool and work Direct contact of tool with the work Maintaining an electrolyte between the work and tool in a very small gap between the two Erosion caused by rapidly recurring spark discharges between the tool and work Using abrasive slurry between the tool and work ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The cutting fluid mostly used for machining alloy steels is Sulphurised mineral oil Dry Water Soluble oil Sulphurised mineral oil Dry Water Soluble oil ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to Wear of abrasive grains Wear of bond Cracks on grinding wheel Breaking of abrasive grains Wear of abrasive grains Wear of bond Cracks on grinding wheel Breaking of abrasive grains ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Cast iron during machining produces Continuous chips Continuous chips with built-up edge None of these Discontinuous chips Continuous chips Continuous chips with built-up edge None of these Discontinuous chips ANSWER DOWNLOAD EXAMIANS APP