Machine Design The rocker arms in internal combustion engines are of__________. None of these First type levers Second type levers Third type levers None of these First type levers Second type levers Third type levers ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited Square thread Acme thread Buttress thread ISO metric thread Square thread Acme thread Buttress thread ISO metric thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy 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 Stress concentration is caused due to Abrupt change of section Variation in properties of material from point to point in a member All of these Pitting at points or areas at which loads on a member are applied Abrupt change of section Variation in properties of material from point to point in a member All of these Pitting at points or areas at which loads on a member are applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension 3.6 N/mm² compression ANSWER DOWNLOAD EXAMIANS APP
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