Machine Design Aircraft body is usually fabricated by Pre-casting Riveting Welding Casting Pre-casting Riveting Welding Casting ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pipe joint mostly used for pipes carrying water at low pressures is Nipple joint Spigot and socket joint Union joint Socket joint Nipple joint Spigot and socket joint Union joint Socket joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Angular bevel gears Mitre gears Internal bevel gears Crown bevel gears Angular bevel gears Mitre gears Internal bevel gears Crown bevel gears ANSWER DOWNLOAD EXAMIANS APP