Compressors also - Study guides, Class notes & Summaries

3B2 Power Engineer Exam Practice The disadvantages of a gas turbine are: 1. High cost of manufacture 2. High levels of noise pollution are produced 3. Low thermal efficiency 4. Requires many auxiliaries to be efficient A. 1, 2, 3 B. 1, 3, 4 C. 2, 3, 4 D. 1, 2, 4 E. 1, 2, 3, 4 - E The most common process method of refrigeration is: Select one: A. Absorption B. Lithium bromide C. Water vapor D. Vapor compression or mechanical E. Ammonia compression system - D To facilitat...

Supervision Of Air Compressors (A-35) Exam With 100% Correct And Verified Answers 2024 100 lbs per square inch (psi) - Correct Answer-Above how much compressed air pressure does a person need a permit? Reciprocating, centrifugal, rotary, and solar - Correct Answer-Name four different types of air compressors Reciprocating air compressor - Correct Answer-What is the most common form of air compressor? Electric motors, internal combustion engines, or steam turbines - Correct Answer-Wha...

Powerplant ASA/ Baker's School List of FAA Oral Questions |445 Questions and Answers 2023/2024 Latest Update. What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft? - ANSWER The horizontally opposed engine has a much smaller frontal area and is easier to streamline than a radial engine. How many throws are there in the crankshaft of a six-cylinder horizontally opposed engine? - ANSWER six What kind of connecting rod arrangement is us...

Commercial Refrigeration FINAL TEST Questions With 100% Correct Answers. Guaranteed Success. How is the cooling effect in a mechanical refrigeration system produced? - answerEvaporation of liquid refrigerant into vapor What is the primary purpose of a compressor? - answerIt circulates and pressurizes the refrigerant vapor before the vapor Is condensed for re use Name another function that must be performed by the compressor - answerIs raise the pressure and temperature of the refrigerant...

RAC 40 Quiz 3 Review Questions with Correct Answers (Already Graded A+) What is another word for flash gas? - Answer- Adiabatic expansion What is the meaning of THOR? - Answer- Total heat of rejection What will high discharge temperatures affect your compressor? - Answer- It will cause the oil temperature to rise and create acid. Acid will eat at the winding in the compressor and cause a short. Name the 4 positive displacement compressors. - Answer- Reciprocating, Rotary, Scroll, Scr...

State the type of the Air Conditioning (AC) plants onboard. correct answers Six, 250-ton centrifugal chill water A/C plants that operate with R-114 type refrigerant. State the type of the refigeration plants and refrigeration units onboard. correct answers Two, 8-ton reciprocating plants that operate with R-134A type refigerant State the purpose of the following major components: Compressors correct answers Compresses refrigerant into a high pressure gas; moves refrigerant though the refri...

Powerplant ASA/ Baker's School List of FAA Oral Questions | 445 Questions and Answers 2023/2024 Latest Update. What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft? - ANSWER The horizontally opposed engine has a much smaller frontal area and is easier to streamline than a radial engine. How many throws are there in the crankshaft of a six-cylinder horizontally opposed engine? - ANSWER six What kind of connecting rod arrangement is u...

T4 ASE Brakes Exam with complete Graded A+ solutions Psi loss rate for Straight Truck 2 psi/minute Psi loss rate for combination vehicle less than 3 psi/minute Service Brake Pressure Drop Test Apply service brake to 90 psi. Loss rate should be less than 3 psi/minute for straight vehicles and less than 4 psi/minute for combination vehicles. Improperly adjusted brake shoes Cause 1) brake imbalance 2) increased stopping distance 3) excessive heat and wear Instability a...

Q1. Which are the documents required at the construction site? A1. 1. Injury and Illness Prevention Program document. You may keep this in office 2. Code of Safe Practices 3. All required permits 4. Required certifications 5. Respiratory Protection Guide is required to kept on the sites where respirators are mandatory. 6. Heat illness prevention guide 7. Fall protection plan Q2. In which conditions the elevators are required? A2. For construction of building or structure of 60 feet or...

a fire in a pressurized chamber will spread how much faster that at atmospheric pressure - 2-6X as an operator of a diesel driven compressor what is the first steps you must take prior to operating the compressor - perform checks to ensure conditions are correct how is the VD pilot valve operated - pneumatically and spring operated how often should a diving volume tank be drained - every 15 -30 mins how often should the oil in a diving compressor be changed - every 200 hours or as required ...