What is a heat exchanger - Study guides, Class notes & Summaries

Becc Test 5 Questions and Answers Already Passed A fixed volume of liquid is discharged by a centrifugal pump (TRUE/FALSE) False Which centrifugal pump component prevents reverse flowof liquid through the pump? Check valve What is used to move fluid from one location to another? Pump What centrifugal pump component rotates and causes centrifugal force to act on the fluid ? Impeller What centrifugal pump component prevents over heating of the pump? Recirculation line What c...

Craft: Boilermaker Study Guide Questions and Answers 100% Pass What is the initial component of the tray floor installation? The downcomer Identify the first part of the Heat Exchanger. The Tube What issues can arise from tube rolling? Improper expansion and depth Why are lockouts/tag outs used in valves, switches, and equipment? To prevent operation A scaffold "Red Tagged" by OSHA signifies: Do Not Use Identify part 2 of the Heat Exchanger. Dollar Plate Before dismantling a heat...

G2 Gas Technician Module 19 Revised Questions Rated A If the venting on a high efficiency furnace runs through unheated spaces, what must be done? Insulate piping to prevent Condensation and freezing What is condensate drain piping used for? Dispose Liquid waste Once the furnace is installed, what are the gas technician's responsibilities to the user? To instruct the the user in the safe and correct operation of all appliances and equipment - clause 4.3.2 Which furnace type is the most popu...

The weight of water vapor in a given amount of air (Grains per cubic foot) - Answer-Absolute Humidity Pressure measured with a base of zero - Answer-Absolute Pressure A temperature scale using absolute zero as a reference - Rankin or Kelvin Scale (may be measures in degrees C or F) - Answer-Absolute Temperature Theoretical temperature at which all molecular activity ceases = -273.16 C or -456.69 F - AnswerAbsolute Zero By approximately how much (%) does a start capacitor increase motor tor...

The oil-fired, forced-warm-air furnace has two main systems which are those? correct answers1. producing system 2. heat distribution system What is a heat producing system on oil heat? correct answersconsist in the oil burner, fuel supply components, combustion chamber, and heat exchanger. What is heat distribution system compose oil heat? correct answersis compose of the blower, which moves the air through the ductwork and relates components on oil heat the thermostat will cause the ...

HVAC Oil Burner Questions and Answers 100% Pass An up flow furnace Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. 2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? 280,000 What could be the cause of a high steak temperature Too much air How would you prove a furnace was stopped up with soot in the heat exchanger Draft gauge at the inspection do...

NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+ In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. a. gas valve b. heat exchanger c. inducer fan d. plenum box - Correct Answer b (heat exchanger) What type of furnace moves warm air through the conditioned space without a fan? a. Gravity b. Horizontal c. Lowboy d. Upflow - Correct Answer a (Gravity) Furnace heat exchangers generally are made of ______. ...

What type of pump uses the throwing force of a rapidly revolving impeller? CENTRIFUGAL Which pump uses a piston to move a fluid? reciprocating The indirect heat exchanger that uses one tube inside another tube is known as what type construction? DOUBLE TUBE Heat transfer from physical contact between two substances is known as CONDUCTION What is used to connect turbines and reduction gear while allowing slight misalignment? HIGH SPEED FLEXIBLE COUPLINGS

NCCR BOILERMAKER TRUE QUESTIONS AND ANSWERS RATED A+ - Which regulatory body mandates training for operating personal lifting equipment? OSHA - Where is an RTJ gasket typically utilized? High-pressure systems - Among the options, which is NOT an example of internal manway hardware? a) slide fastener b) half washer c) bellville washer Slide fastener - What tool measures how much a fastener is being tightened? Torque wrench - What fitting makes it easy to disassemble threaded piping? Unio...

b (heat exchanger) - Answer In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. a. gas valve b. heat exchanger c. inducer fan d. plenum box a (Gravity) - Answer What type of furnace moves warm air through the conditioned space without a fan? a. Gravity b. Horizontal c. Lowboy d. Upflow d (steel) - Answer Furnace heat exchangers generally are made of ______. a. ceramic b. copper c. plastic d. steel b (Annual Fuel...