China, the epicenter of Coronavirus is the second largest oil consumer around the world was under lockdown and it has badly affected the big producer of oil and gas. Stock markets gone down, in which oil and gas industry both in larger and smaller countries is badly affected. Basic Economic concept: Like all other free … Read more
POSITIVE DISPLACEMENT PUMP DESIGN AND CONSTRUCTION There are two general classifications for Positive Displacement pumps: Reciprocating Rotary Reciprocating Pumps operate with a back-and-forth motion, and consequently have a pulsating or fluctuating discharge. Rotary Pumps provide a smoother flow than reciprocating pumps. 6.1 Reciprocating Pump Reciprocating pumps are classified by the number and arrangement of cylinders; … Read more