Btus - Study guides, Class notes & Summaries

Driver/ Operator Pumper (USAF) Questions and Answers 100% Solved Water ️️- most commonly used extinguishing agent - noncombustible - absorbs large amounts of heat Waters Boiling Point ️️212° F Waters freezing point ️️32°F Waters Expansion Rate ️️1,700 to 1 at 500° F Law of Specific Heat ️️Measures the ability of any substance to absorb heat Measured in BTUs (British Thermal Units) 1 BTU = the amount of heat required to raise 1lb of water 1°F Law of Latent Heat...

Fire Apparatus Driver Operator - Pumper Module 4 Practice Questions 2024. One gallon of water weighs? - correct answer 8.33 lbs Water freeze and boil temperatures? - correct answer Freezes: 32° F Boils: 212° F Water expansion ratio at 500° F. - correct answer 1,700 to 1 Law of Specific Heat - correct answer Ability of any substance to absorb heat. Water is the standard for measuring specific heat and is given a value of 1.0 Specific heat is measured in British Thermal Unites (BT...

Driver/ Operator Pumper USAF Questions and Answers 100% Solved Water ️️- most commonly used extinguishing agent - noncombustible - absorbs large amounts of heat Waters Boiling Point ️️212° F Waters freezing point ️️32°F Waters Expansion Rate ️️1,700 to 1 at 500° F Law of Specific Heat ️️Measures the ability of any substance to absorb heat Measured in BTUs (British Thermal Units) 1 BTU = the amount of heat required to raise 1lb of water 1°F Law of Latent Heat o...

Before working on an electric furnace the tech should : Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker : detects current leaks to groound the conductor in an electric heat element is usually made of : Nichrome An example of resistive load is : crankcase heater an example of an inductive load is : motor 2 | P a g e an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the power supply and determines ...

Conventional concrete typically weighs ____________ - Accurate Answers140pcf - 150pcf BTU - Accurate AnswersBritish Thermal Unit - A quantity of heat. It is the amount of heat needed to raise a pound of water 1°F. An MBH is 1,000 BTUs/hr. Sensible Heat - Accurate Answers"Dry Heat" - Heat added to the air without adding moisture. As sensible heat increases the points on the psychrometric chart move to the right. Latent Heat - Accurate AnswersThe hidden heat added to the air by adding ...

Massachusetts Oil Burner Study Guide Rated A+ What is the voltage found at the TT terminals 24 volts What are the 8 steps of a no heat call 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is ...

CDC – Pumper Test Questions and Answers 100% Solved One gallon of water weighs ️️8.33 lbs Water freezes at Water boils at ️️32 F 212 F Water s an expansion ratio of ️️1,700:1 at 500 F Law of Specific Heat Specific Heat is measured in ️️Measures the ability of any substance to absorb heat. British Thermal Units (BTUs) Law of Latent Heat of Vaporization ️️The amount of heat needed to turn a liquid into a vapor. Water absorbs 970 additional BTUs going from 212 F ...

ESCO Air Conditioning Exam Tested Questions With Revised Answers There are three basic types of condensers, air-cooled, water cooled and the _____________ cooled - ANSWER Evaporative 10 pounds of refrigerant passing through a water cooled condenser will lose 20 BTUs of heat per pound. If 10 pounds of water passes through the condenser with an entering temperature of 80°F the temperature of the water leaving the condenser is - ANSWER 100°F The heat removed from t...

RETA CARO Chapter 1 Exam Questions With Verified Solutions Purpose of a Refrigeration System Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12 Hours 200 BTUs/1 Minute rate of refrigeration or cooling Pressure Force per unit area. PSIA Absolute pressure; measures pressure from zero pressure PSIG Gauge pressure, uses atmo...

Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - Answer-a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - Answer-a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the ...