Machine Design Which of the following material has the maximum ductility? Aluminium Copper Mild steel Zinc Aluminium Copper Mild steel Zinc ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. Right hand Left hand None of these Both A and B Right hand Left hand None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing None of these Reducing Both A and B Increasing None of these Reducing Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High mechanical advantage High efficiency Low efficiency High load lifting capacity High mechanical advantage High efficiency Low efficiency High load lifting capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d d 0.75 d 1.25 d 0.5 d d 0.75 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.8 2.5 3 3.5 2.8 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
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