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The power saved by fitting air vessel to a single-acting reciprocal pump is ?(A) 88.4% (B) 84.8% (C) 39.2% (D) 48.8%A steel cube of volume 8x106mm3 is subjected to all round stress of 135 N/mm2. The bulk modulus of material is 1.35x105N/mm2.The volumetric change is ?(A) 8000 mm3 (B) 800 mm3 (C) 80 mm3 (D) 8 mm3A beam A carries a point load at mid span. Another identical beam B carries the same load but as uniformly distributed load over the entire span. The ratio of maximum bending moment in beam A to that in beam B will be ?(A) 3/2 (B) 1/2 (C) 3 (D) 2The distance in m 3 /sec. for laminar flow through a pipe of diameter 0.04m having centerline velocity of 1.5 m/sec. is ?(A) 3p/10000 (B) p/2500 (C) p/5000 (D) p/7500Certain pilot study showed that % of occurrence of an activity as 50% with...
