Machine Design Ball bearing type screws are found in following application Screw jack Crane Aeroplane engines Steering mechanism Screw jack Crane Aeroplane engines Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
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 1.2 d 1.57 d 1.8 d 0.8 d 1.2 d 1.57 d 1.8 d 0.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings Have high initial cost Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads Have high initial cost Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Increase the key length Increase the key width Increase the key depth Decrease the key length Increase the key length Increase the key width Increase the key depth Decrease the key length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cross-section of the arm of a bell crank lever is I-section Elliptical Rectangular Any one of these I-section Elliptical Rectangular Any one of these ANSWER DOWNLOAD EXAMIANS APP