Final Exam Quiz For 2024 Updated Solutions

A centrifugal water pump is known as a lift pump when the A) The pump lifts the water into the pump upon startup B) The water supply to the pump suction inlet is below the pump level C) The discharge head exceed 150 feet D) The pump is started with the suction valve open {Ans: The water supply to the pump suction inlet is below pump level}What type of sprinkler system needs inspecting A) Automatic B) Non-automatic C) Residential D) Commercial, hotel and office buildings {Ans: Automatic}The charge in a TEV sensing bulb us A) Non flammable non toxic B) Similar to refrigerant in system C) Highly toxic highly flammable D) Different type of refrigerant than in system {Ans: Similar to refrigerant in system}The British thermal unit (BTU) is the measurement of heat energy. If 10 BTU are transferred to 10 pounds of water, the water temperature increase will be closest to A) 10F B) 1C C) 1F D) 10C {Ans: 1F}You are the engineer running a 2000-ton (steam-driven turbine) centrifugal refrigeration system, a refrigeration system supplies chilled water to a college campus with multiple buildings. While making your rounds you notice that the discharge pressure