EXAMIANS
The shock resistance of steel is increased by adding
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The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to
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For general industrial machinery, the ratio of the length of journal to its diameter is taken as
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The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to
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When the belt is transmitting maximum power,
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The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to
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The strap end of a connecting rod of steam engine is joined by
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For tight leakage joints, following type of thread is best suited
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A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)
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Which of the following screw thread is used for power transmission in one direction only?
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