Machine Design Shaft coupling is used in machinery to Reduce the transmission of shock loads Introduce mechanical flexibility All of these Introduce protection against over loads Reduce the transmission of shock loads Introduce mechanical flexibility All of these Introduce protection against over loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 W/9 8W/9 2W/3 W/2 W/9 8W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Radial load at high speed Heavy thrust load only Combined thrust and radial loads at high speed Small angular displacement of shafts Radial load at high speed Heavy thrust load only Combined thrust and radial loads at high speed Small angular displacement of shafts ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing up to 0.15% carbon is known as Dead mild steel High carbon steel Medium carbon steel Mild steel Dead mild steel High carbon steel Medium carbon steel Mild steel 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 Mitre gears Internal bevel gears Crown bevel gears Angular bevel gears Mitre gears Internal bevel gears Crown bevel gears Angular bevel gears ANSWER DOWNLOAD EXAMIANS APP