Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Buttress threads Acme threads Knuckle threads Square threads Buttress threads Acme threads Knuckle threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 110 kN/mm² 210 kN/mm² 80 kN/mm² 100 kN/mm² 110 kN/mm² 210 kN/mm² 80 kN/mm² 100 kN/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of M 24 × 2 means that The nominal diameter of bolt is 24 mm and pitch is 2 mm The pitch of the thread is 24 mm and depth is 2 mm Cross-sectional area of the threads is 24 mm² The effective diameter of bolt is 24 mm and there are 2 threads per cm The nominal diameter of bolt is 24 mm and pitch is 2 mm The pitch of the thread is 24 mm and depth is 2 mm Cross-sectional area of the threads is 24 mm² The effective diameter of bolt is 24 mm and there are 2 threads per cm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to 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 All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is More than 50% Less than 50% Equal to 50% None of these More than 50% Less than 50% Equal to 50% None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same ANSWER DOWNLOAD EXAMIANS APP
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