Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 2d + 13 mm 3.5d 2d + 20 mm d + 17 mm 2d + 13 mm 3.5d 2d + 20 mm d + 17 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Concerned with strength of wire of spring Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter Concerned with strength of wire of spring Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Least value of Pt Ps and Pc Crushing strength of rivet (Pc) Tearing strength of plate (Pt) Shearing strength of rivet (Ps) Least value of Pt Ps and Pc Crushing strength of rivet (Pc) Tearing strength of plate (Pt) Shearing strength of rivet (Ps) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 7 mm 6 mm 4 mm 5 mm 7 mm 6 mm 4 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
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