Machine Design A tube has the following advantage over pipe Smoother inside walls All of these Greater shock absorption Lighter and easier to handle Smoother inside walls All of these Greater shock absorption Lighter and easier to handle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
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 / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt p.t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal strength by cycling Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal strength by cycling Metal hardness by surface treatment ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, 100 H6/g5 means that the None of these Difference between the actual size and basic size is 100 mm Basic size is 100 mm Actual size is 100 mm None of these Difference between the actual size and basic size is 100 mm Basic size is 100 mm Actual size is 100 mm ANSWER DOWNLOAD EXAMIANS APP
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