Compressors also - Study guides, Class notes & Summaries

Heat pump work ready test 100% Solved! An air to air heat pump has many of the same components as an AC system. The major difference is that a heat pump is also a - ANSWERReversing valve What is the difference between demand frost and timed defrost - ANSWERDEMAND happens only when needed and TIMED is based on time/temperature The thermostat that controls the auxiliary electric heat according to the outdoor temperature is called the - ANSWEROutdoor ambient thermostat At what temperature...

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...

A FDNY permit is required when for Air compressor. - If a compressor is used to compress any nonflammable, corrosive or oxidizing gas, including air to a pressure exceeding 100 psi. When is a permit not required fir air compressors? - Outdoor air compressing (other than a fair or festival) is not required a FDNY permit. Who issues the permits. - There permits are issued by the bureau of Fire Prevention. What is an air compressor? - It takes the air in a room and forces it into a contain...

Compressors Unit 23 Exam Questions with Revised Answers Describe The reciprocating compressor coupling - Answer-Coupling: obtains the correct shaft alignment Describe The reciprocating compressor discus valve - Answer-The discus valve which allows a closer tolerance inside the compressor cylinder at the top dead center and integrated system electronics ????? In what speed in RPM does a hermetic compressor normally turn - Answer-1750 and 3450rpm What effect does a small amount of liq...

Describe the exposures associated with earth-moving equipment. - Answer-- Upset and overturn can occur because of rough working terrain, the large size of equipment, the weight distribution of the equipment, and the weight of materials. - A high concentration of equipment on a job site can create traffic problems and increase the likelihood of fire and collision. - Fire hazards develop from the variety of ignition sources and combustible materials found in equipment and on job sites. - Va...

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...

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...

technicians maintaining, servicing, repairing, or disposing of low-pressure appliances must be certified as: - ANSWER Type III or Universal Technician the owner &/or operator of the equipment is responsible for keeping: - ANSWER records including: leak inspections & any completed leak repair verification tests it's the _______ &/or ___________ responsibility to obtain service records from the servicing company doing any work on an appliancem - ANSWER owner &/ or operator as of 11/14/94...

Compressors Chapter 23 Assessment Test Questions with Certified Answers What lubricates the refrigeration compressor? - Answer-Oil What can a service technician do to keep the refrigeration system operating at peak efficiency? - Answer-Keeping the evaporator and condenser clean will enhance the compressor ratio. Running suction pressure as high as practical ... running discharge pressure as low as practical What advantage does a discus valve plate have over a conventional piston type com...

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...