Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle when hot Brittle under all conditions Brittle when cold Ductile at high temperature Brittle when hot Brittle under all conditions Brittle when cold Ductile at high temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Loose in both shaft and hub Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Loose in both shaft and hub Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oil in journal bearing should be applied at the point where load is Nil or lightest Any one of the above Maximum Average Nil or lightest Any one of the above Maximum Average ANSWER DOWNLOAD EXAMIANS APP
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