Machine Design Screws used for power transmission should have Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Helical spring Volute spring Conical spring Flat spiral spring Helical spring Volute spring Conical spring Flat spiral spring 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 15 mm 25 mm 10 mm 5 mm 15 mm 25 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Feather key Woodruff key Gib-head key Tangent key Feather key Woodruff key Gib-head key Tangent key ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Maximum at both the centroidal axis and outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member 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). 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
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