Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 45° 90° 67.5° 22.5° 45° 90° 67.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Tearing strength of plate (Pt) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ - k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The valve rod in a steam engine is connected to an eccentric rod by Universal coupling Knuckle joint Cotter joint Bolted joint Universal coupling Knuckle joint Cotter joint Bolted joint ANSWER DOWNLOAD EXAMIANS APP
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 7 N-m 15 N-m 5 N-m 10 N-m 7 N-m 15 N-m 5 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
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