A vertical double acting steam engine develops 75 kW at 250 rpm. The maximum fluctuation of energy is 30 per cent of the work done per stroke. The maximum and minimum speeds are not to
vary more than 1 per cent on either side of the mean speed. Find the mass of the flywheel required,
if the radius of gyration is 0.6 m
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

A)-in the process of engineering design, explain the contribution of material selection. b)- explain the procedure of synthesis as is employed in engineering design. c)- is there any relationship between ergonomics and engineering design? explain. d)- safety consideration in engineering design includes human, product and the enviroment . explain how safety will be incorporated into the design?

Different between right hand turning tool and left hand turning tool ?