Machine Design The groove angle of pulleys for V-belt is 420 to 450 340 to 360 300 to 320 More than 400 420 to 450 340 to 360 300 to 320 More than 400 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft A taper key which fits in a key way of the hub and is flat on the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole) 2 d 1 d 2.5 d 1.5 d 2 d 1 d 2.5 d 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will increase The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will increase ANSWER DOWNLOAD EXAMIANS APP