Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Smaller than Equal to None of these Larger than Smaller than Equal to None of these Larger than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be 2εc + εl εc + 2εl εc + εl² εc² + εl 2εc + εl εc + 2εl εc + εl² εc² + εl ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of stress concentration factor depends upon Material of the part None of these Geometry of the part Material and geometry of the part Material of the part None of these Geometry of the part Material and geometry of the part ANSWER DOWNLOAD EXAMIANS APP
Machine Design The creep in the belt is due to Stresses beyond elastic limit of belt material Unequal extensions in the belt due to tight and slack side tensions Material of belt Effect of temperature on belt Stresses beyond elastic limit of belt material Unequal extensions in the belt due to tight and slack side tensions Material of belt Effect of temperature on belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 0.65 0.45 1 0.85 0.65 0.45 1 0.85 ANSWER DOWNLOAD EXAMIANS APP
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