Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Medium None of these High Low Medium None of these High Low 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 3.0 2.8 3.5 2.5 3.0 2.8 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, It is worked below recrystallization temperature Both (A) and (B) None of these Its hardness and strength increases It is worked below recrystallization temperature Both (A) and (B) None of these Its hardness and strength increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Tightening the bolt properly Increasing its shank diameter Making the shank diameter equal to core diameter of thread Decreasing its shank diameter Tightening the bolt properly Increasing its shank diameter Making the shank diameter equal to core diameter of thread Decreasing its shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) 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 hinged Both ends of the column are clamped One end of the column is hinged and the other end is free One end of the column is clamped and the other end is free Both ends of the column are hinged Both ends of the column are clamped One end of the column is hinged and the other end is free ANSWER DOWNLOAD EXAMIANS APP
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