Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 10 N-m 7 N-m 5 N-m 15 N-m 10 N-m 7 N-m 5 N-m 15 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 120° 270° 180° 360° 120° 270° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a square key made of mild steel, the shear and crushing strength are related as Shear strength is greater than crushing strength Shear strength is less than crushing strength None of these Shear strength is equal to crushing strength Shear strength is greater than crushing strength Shear strength is less than crushing strength None of these Shear strength is equal to crushing strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design A V-belt designated as B 4430 LP has 4430 mm as diameter of large pulley 4430 mm as centre distance between pulleys 4430 mm as nominal pitch length 4430 mm as diameter of small pulley 4430 mm as diameter of large pulley 4430 mm as centre distance between pulleys 4430 mm as nominal pitch length 4430 mm as diameter of small pulley ANSWER DOWNLOAD EXAMIANS APP
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