Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 0.8 d 1.57 d 1.2 d 1.8 d 0.8 d 1.57 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Shot peening Cold working Grinding and lapping surface Hot working Shot peening Cold working Grinding and lapping surface Hot working ANSWER DOWNLOAD EXAMIANS APP
Machine Design I.S. specifies following total number of grades of tolerances 16 20 22 18 16 20 22 18 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound belt drive is used when Shafts are arranged parallel and rotate in the opposite directions None of these Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions None of these Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Acme Square Buttress BSW Acme Square Buttress BSW ANSWER DOWNLOAD EXAMIANS APP