Machine Design In the levers of __________ type, the mechanical advantage is less than one. Second Third First None of these Second Third First None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by means of a belt depends upon Velocity of the belt Tension under which the belt is placed on the pulleys Arc of contact between the belt and the smaller pulley All of these Velocity of the belt Tension under which the belt is placed on the pulleys Arc of contact between the belt and the smaller pulley All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by Z/pN N/Zp p/ZN ZN/p Z/pN N/Zp p/ZN ZN/p ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these Half the angle between two inclined faces in axial plane ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Yield strength Brinell hardness number Elastic strength Toughness Yield strength Brinell hardness number Elastic strength Toughness ANSWER DOWNLOAD EXAMIANS APP