Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against wear and tear Experimental stress analysis Protecting metal against corrosion Determining brittleness Protecting metal against wear and tear Experimental stress analysis Protecting metal against corrosion Determining brittleness ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) 0.75/ (0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Zero Greater than one Less than one None of these Zero Greater than one Less than one None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should Transmit full power of the shaft Hold the shafts in perfect alignment All of these Be easy to connect or disconnect Transmit full power of the shaft Hold the shafts in perfect alignment All of these Be easy to connect or disconnect 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