Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.1 and 0.25 0.50 and 0.75 0.75 and 1 0.25 and 0.50 0.1 and 0.25 0.50 and 0.75 0.75 and 1 0.25 and 0.50 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 3 Pc 2 Pc 1 Pc Pc/3 3 Pc 2 Pc 1 Pc Pc/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/9 8W/9 2W/3 W/2 W/9 8W/9 2W/3 W/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Square Buttress BSW Acme Square Buttress BSW Acme ANSWER DOWNLOAD EXAMIANS APP
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