Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design In composite or reverse laid ropes Direction of twist of wires in strands is opposite to the direction of twist of strands Direction of twist of wires and strands are same Wires are not twisted Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires in strands is opposite to the direction of twist of strands Direction of twist of wires and strands are same Wires are not twisted Wires in two adjacent strands are twisted in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to T/2 4 T 2 T 1 T T/2 4 T 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design The creep in the belt is due to Stresses beyond elastic limit of belt material Material of belt Effect of temperature on belt Unequal extensions in the belt due to tight and slack side tensions Stresses beyond elastic limit of belt material Material of belt Effect of temperature on belt Unequal extensions in the belt due to tight and slack side tensions ANSWER DOWNLOAD EXAMIANS APP
Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 20 mm d + 17 mm 2d + 13 mm 3.5 d 2d + 20 mm d + 17 mm 2d + 13 mm 3.5 d ANSWER DOWNLOAD EXAMIANS APP
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