Machine Design Screws used for power transmission should have High efficiency Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following spring is used in mechanical wrist watch? Torsion spring Belleville spring Spiral spring Helical compression spring Torsion spring Belleville spring Spiral spring Helical compression spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring is used to Store energy Measure forces Apply forces All of these Store energy Measure forces Apply forces All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 1-3 m/s 15-30 m/s 30-50 m/s 3-15 m/s 1-3 m/s 15-30 m/s 30-50 m/s 3-15 m/s ANSWER DOWNLOAD EXAMIANS APP