Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Square Buttress NPT (national pipe threads). Metric Square Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 3F/2bh F/bh 4F/bh 2F/bh 3F/2bh F/bh 4F/bh 2F/bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Larger than Smaller than None of these Equal to Larger than Smaller than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in automobile industry is a Castle nut Sawn nut Ring nut Jam nut Castle nut Sawn nut Ring nut Jam nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 0.8 d 1.2 d 1.57 d 1.8 d 0.8 d 1.2 d 1.57 d 1.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Decreases Increases Remains unchanged None of these Decreases Increases Remains unchanged None of these ANSWER DOWNLOAD EXAMIANS APP
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