Machine Design For tight leakage joints, following type of thread is best suited Buttress Metric Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. Thick film None of these Either A or B Thin film Thick film None of these Either A or B Thin film 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 12 kN/m 30 kN/m 6 kN/m 24 kN/m 12 kN/m 30 kN/m 6 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.5 0.6 0.2 0.25 0.5 0.6 0.2 0.25 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a helical compression spring is cut into halves, the stiffness of the resulting spring will be One-fourth One-half Double Same One-fourth One-half Double Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 5 mm 25 mm 15 mm 10 mm 5 mm 25 mm 15 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP