Millwright TEST #3 QUESTIONS AND ANSWERS

Millwright TEST #3 QUESTIONS AND ANSWERS TIR - ANSWER ️️ Total Indicator Reading Positive Displacment vs. Centrifugal Pump - ANSWER ️️ Capacity is constant reguardless of pressure Flow does not decrease with increasing viscosity Centrifugal Pump - ANSWER ️️ Capacity decrease with increase in pressure Flow rate decrease with viscosity 2 categories of postive displacment pumps - ANSWER ️️ Reciprocals and Rotary 2 types of pistons - ANSWER ️️ Single action and Double action Similar to piston - ANSWER ️️ pumping element iscylindrical solid move back and forth in a cylindrical chamber. Difference to piston - ANSWER ️️ plunger moves into and withdrawls from the cylindrical chamber. Diaphragm Pump 3 types of operations - ANSWER ️️ Mechanical linkage, compressed air, and fluid from a pulsating, external force. 4 types of rotary Pumps - ANSWER ️️ External, Internal, Vane, Lobe External Gear pump ADVANTAGE - ANSWER ️️ High speed and pressure External Gear pump Applications - ANSWER ️️ Chemical and polymer metering, industrial and hydraulic application. Internal Gear pump Advantage - ANSWER ️️ High viscosity liquids