Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 7 mm 4 mm 6 mm 5 mm 7 mm 4 mm 6 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails Below the elastic limit At the yield point At the elastic limit Below the yield point Below the elastic limit At the yield point At the elastic limit Below the yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To obtain variable speeds For speed reduction To produce torque To increase efficiency of system To obtain variable speeds For speed reduction To produce torque To increase efficiency of system ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Is uniform throughout Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Varies linearly Is uniform throughout Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (4WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP