
Phase 1 Mechanical Principles in the Plumbing and Heating Systems Industry
Quiz by Joe Fantini
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50 questions
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- Q1What is the purpose of a pressure relief valve in a plumbing system?To increase water temperatureTo prevent excessive pressure buildupTo filter impurities from waterTo decrease water flow rate30s
- Q2Which type of pipe is commonly used for hot water supply in plumbing systems?PVC pipeCopper pipeCast iron pipePolyethylene pipe30s
- Q3What is the primary function of a thermostat in a heating system?To regulate temperatureTo control water pressureTo measure humidity levelsTo filter air impurities30s
- Q4What type of pump is typically used to move water from a lower elevation to a higher elevation in plumbing systems?Centrifugal pumpVacuum pumpDiaphragm pumpPiston pump30s
- Q5What is the main purpose of insulation around pipes in a plumbing system?To prevent corrosionTo add aesthetic appealTo increase water pressureTo reduce heat loss30s
- Q6Which gas is commonly used for leak testing in plumbing systems?Carbon dioxideOxygenNitrogenHelium30s
- Q7What is the purpose of a water hammer arrestor in a plumbing system?To prevent noise and shock from sudden water flow changesTo filter contaminants from waterTo increase water pressureTo heat the water30s
- Q8What is the primary function of a backflow preventer in a plumbing system?To reduce water temperatureTo control pipe pressureTo prevent contamination of the water supplyTo increase water flow30s
- Q9What does the term 'BTU' stand for in relation to heating systems?British Thermal UnitBoiling Temperature UnitBureau of Thermal UnitsBase Temperature Unit30s
- Q10Which component removes particulates and contaminants from water in a plumbing system?Water heaterExpansion tankPressure gaugeWater filter30s
- Q11What is the primary purpose of a pressure relief valve in plumbing systems?To increase water pressureTo control water temperatureTo filter contaminants from waterTo prevent overpressure and potential system failure30s
- Q12Which of the following materials is commonly used for water supply pipes?WoodConcreteCopperPlastic wrap30s
- Q13What does the term 'hydrostatic pressure' refer to in plumbing systems?The pressure exerted by a fluid at rest due to its weightThe pressure from external atmospheric conditionsThe pressure caused by water flowThe pressure resulting from temperature changes30s
- Q14What is the main purpose of using a drain trap in plumbing?To prevent sewer gases from entering the buildingTo increase water pressureTo measure water flowTo filter out solid waste30s
- Q15What is the purpose of a thermostat in a heating system?To regulate the temperature of the heating systemTo measure humidity levelsTo filter air pollutantsTo increase water flow30s