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...

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...

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...

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...

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...

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...

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...

ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS. Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer ba...

FDNY A-35 Latest Version with Certified Solutions Air compressors power... (1) industrial equipment and (2) construction tools Examples of equipment powered by air compressor pneumatic wrenches, lifts in auto service stations, paint spray booths Air compressors enable... (1) efficient repair of all types of vehicles; and (2) facilitate their safe operation on public thoroughfares Permit is required for air compressor that compresses air above 100 PSI Types of air compressors (1) reciprocatin...

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 ...