Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Load taken by each spring will be half the total load Only A is correct Shear stress in each spring will be equal Both A and B is correct Load taken by each spring will be half the total load Only A is correct Shear stress in each spring will be equal Both A and B is correct ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum shear stress theory is used for Nonferrous materials Brittle materials Plastic materials Ductile materials Nonferrous materials Brittle materials Plastic materials Ductile materials 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) πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 40° 152° 136° 122° 40° 152° 136° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Buttress threads Square threads Multiple threads Acme threads Buttress threads Square threads Multiple threads Acme threads 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 (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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