Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 0.5 to 1 5 to 10 1 to 2 3 to 5 0.5 to 1 5 to 10 1 to 2 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 20 m/s 10 m/s 15 m/s 12.5 m/s 20 m/s 10 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cold working of metals is carried out __________ the recrystallization temperature. None of these Below At Above None of these Below At Above 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 Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Depend on other considerations Increase with increase in y Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Increase with increase in y Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
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