Machine Design Which of the following screw thread is used for power transmission in one direction only? Buttress threads Acme threads Multiple threads Square threads Buttress threads Acme threads Multiple threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.0 2.8 3.5 2.5 3.0 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Increasing the initial tension in the belt Increasing wrap angle by using idler pulley All of these Dressing the belt to increase the coefficient of friction Increasing the initial tension in the belt Increasing wrap angle by using idler pulley All of these Dressing the belt to increase the coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Machine Design The buckling load will be maximum for a column, if One end of the column is clamped and the other end is free Both ends of the column are clamped One end of the column is hinged and the other end is free Both ends of the column are hinged One end of the column is clamped and the other end is free Both ends of the column are clamped One end of the column is hinged and the other end is free Both ends of the column are hinged ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as Spur gearing Helical gearing Bevel gearing Spiral gearing Spur gearing Helical gearing Bevel gearing Spiral gearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/3σt pd/2σt pd/σt pd/4σt pd/3σt pd/2σt pd/σt pd/4σt ANSWER DOWNLOAD EXAMIANS APP
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