Machine Design Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Crown bevel gears Angular bevel gears Internal bevel gears Mitre gears Crown bevel gears Angular bevel gears Internal bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is Less than 50% Equal to 50% More than 50% None of these Less than 50% Equal to 50% More than 50% None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rivet head used for boiler plate riveting is usually Counter sunk head Snap head Pan Head Conical head Counter sunk head Snap head Pan Head Conical head ANSWER DOWNLOAD EXAMIANS APP
Machine Design An alien bolt is Provided with hexagonal depression in head Same as stud Self locking bolt Used in high speed components Provided with hexagonal depression in head Same as stud Self locking bolt Used in high speed components ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these ANSWER DOWNLOAD EXAMIANS APP