Machine Design The helix angle for double helical gears may be made up to 75° 90° 45° 60° 75° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Largest Smallest Effective None of these Largest Smallest Effective None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fabric belts are used in industrial applications because They are unaffected by moisture and humidity They are cheap None of these They can work at high temperature They are unaffected by moisture and humidity They are cheap None of these They can work at high temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Increases the seriousness of static loading stress concentration Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Increases the seriousness of static loading stress concentration ANSWER DOWNLOAD EXAMIANS APP
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