Movers Final Exam 1 Questions And Answers 2024

When a reciprocating pump delivers fluid every second stroke of its piston, it is called a ____ pump: a) positive displacement b) single acting c) two-stage d) double acting e) duplex {Ans: B}Preferably, dynamic pumps should be located a) directly under the liquid source when suction lift is involved b) above the liquid source when suction head is involved c) above the liquid source when suction lift is involved d) at the liquid source level when suction lift is involved e) below the liquid source when suction head is involved {Ans: E}Excessive wind velocity in a natural draft cooling tower may cause a) louvers to become broken b) high water drift or losses c) rotation reversal of the fan d) over-cooling of the water e) under-cooling of the water {Ans: B}A belt driven lubricator is very popular on a a) reciprocating double acting unit b) screw unit c) rotary lobe unit d) centrifugal unit e) sliding vane unit {Ans: E}Some of the characteristics, which make the gas turbine a better choice over other prime movers, are: 1. low maintenance 2. minimum cooling water 3. high thermal efficiency 4. rapid start-up and loading Select one: a. 1,