Purpose of economizer Study guides, Class notes & Summaries

COMPRESSORS UNIT 23 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS Purpose of Economizer - Answer-Reduces flash gas by having a 2 stage pressure drop through float section Capacity control of centrifugal compressors - Answer-Speed control Butterfly damper Variable inlet vanes Compression factors that affect efficiency - Answer-piston/compressor displacement suction/discharge valves number of cylinders clearance pocket (size) Speed Suction/discharge pressures Types of refrigerant used...

ABSA 3B1 Practice Questions and Answers with Solutions 100% Correct | updated 2024 (983 Verified Q&A) CHAPTER 1 - Number of questions on exam - 7 Chapter 1 Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour a. 2300 kg to 65000 kg per hour The main advantage of the packaged boiler is its _____ _____. a. small size b. compact design c. low cost d. quality st...

ABSA B1 Study Bank Questions with 100% correct Answers Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - answerA The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - answerC Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,000 kg/h or more - answerD Where electri...

1. When repairing a refrigeration system, a swaging tool set would be used to carry out which of the following operations? Ans: Swaging tools can be used to expand an end of one tube to fit onto a tube of the same original outside diameter. 2. In a refrigeration system that is not protected by a water failure switch, if the cooling water to the condenser fails, what will be the result for protective purposes? Ans: the compressor will shut down by the action of the high-pressure cutout s...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED) Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler manufacturer as a criterion for the boiler design is termed as? - Answer Design pressure What is the minimum steam drum pressure on an operating boiler? - Answer 85% of boiler operating pressure What is the minimum steam drum pressure on an operating boiler...

Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,000 kg/h or more - D Where electric power is used as a heating source, the boiler rating shall be ...

Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,000 kg/h or more - D Where electric power is used as a heating source, the boiler rating shall be ...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED) The number of pounds of steam generated per hour at the pressure and temperature required for all purposes to develop contract shaft horsepower of the ship divided by the numbers of boilers installed is defined as? - Answer Boiler full power capacity Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler manufac...

ABSA B1 Study Bank Questions with 100% Correct Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - Answer- A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - Answer- C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,000 kg/h or more - Answer- D Where electric p...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED Answers) The number of pounds of steam generated per hour at the pressure and temperature required for all purposes to develop contract shaft horsepower of the ship divided by the numbers of boilers installed is defined as? - Answer Boiler full power capacity Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler...