Millwright TEST #3 Questions with Correct Answers

Millwright TEST #3 Questions with Correct Answers TIR - Total Indicator Reading Positive Displacement vs. Centrifugal Pump - Capacity is constant regardless of pressure Flow does not decrease with increasing viscosity Centrifugal Pump - Capacity decrease with increase in pressure Flow rate decrease with viscosity 2 categories of positive displacement pumps - Reciprocals and Rotary 2 types of pistons - Single action and Double action Difference to piston - plunger moves into and withdrawls from the cylindrical chamber. Diaphragm Pump 3 types of operations - Mechanical linkage, compressed air, and fluid from a pulsating, external force. 4 types of rotary Pumps - External, Internal, Vane, Lobe External Gear pump ADVANTAGE - High speed and pressure External Gear pump Applications - Chemical and polymer metering, industrial and hydraulic application. Internal Gear pump Advantage - High viscosity liquids