Air heater Study guides, Class notes & Summaries

Certified Pool Operator Study Guide (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Skimmer Weir prevents floating debris from reentering the pool Q: where does water go after going through the pump? Answer: filter Q: where does water go after the filter? Answer: heater Q: where does water go after heater? Answer: flow meter Q: where does water go after going through flow meter? Answer: back to the pool th...

HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the absolute pressure at sea level if a gauge pressure is 35 psig? Answer: 49.7psia Q: 100,000 BTUH output furnace. Return air temp is 65F. Supply air is 135F. What is the CFM? Answer: 1323CFM Q: What is the best method of repair when a residential supply diffuser is noisy because of a loose vane? Answer: Replace the diffuser. Q: When...

Gas Tech II Exam Questions and Answers 100% Pass 1) What is the minimum diameter of a pressure gauge needed to perform leak test on gas piping? 3" 2) Amp meter can read what? Conductor magnetic field. 3) What would be the primary voltage of a furnace? 120/1/60. 4) What is the function of an intermittent pilot? Stay on during the main burner operation. 5) What is the millivolts power output on a thermocouple closed circuit test? 10 to 15 millivolts. 6) A pilot with a lazy yellow flame woul...

Propane has many advantages as a fuel source, including: A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: A. Say nothing, gather up his or her tools and supplies, and quietly leave the site B. Attempt to perform the task to the best of his or...

LIHIC - Answer-Low Income High Costs Indicator A household is considered fuel poor when? - Answer-If they have above average fuel costs and they need to spend more than 10% of household income to achieve a satisfactory heating regime. Safe/ average house temperature? - Answer-21 degrees in living room and 18 degrees in other rooms 3 causes of fuel poverty - Answer-high fuel costs, low income, energy inefficient homes 3 ways to tackle fuel poverty - Answer-improve energy efficiency, maximise...

Backflow Prevention Assembly Tester Exam V2 (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: When testing a SVB what is the firsrt test being performed (A) The air inlet opening point (B) The static pressure across the check valve (C) To verify the #2shut off hold tight (D) To check if the SVB hold water Answer: The static pressure across the check valve Q: When testing a PVB the air inlet opens upon closing the #1 shut off valve What is the...

Michigan Mechanic Certification- HVAC Latest Update Graded A+ Cooling system leak diagnosis Pressure test or dye test Purpose of a radiator The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant Engine overheating and no heat from the HVAC system Purpose of the thermostat The purpose of the thermostat is to trap the coolant in the engine until it reaches it operating temp...

3rd Class Stationary Steam Engineer License Prep - Complete Solutions (Answered) __________ steam turbines allow condensate to be reclaimed for use in the system Condensing With water at a temperature of 212°f, 1 bhp is equivalent to the evaporation of 34.5 lb of water every ________ hour(s) 1 In a closed feedwater heater, the _________ Steam and water do not mix Sensible heat is heat that ______ changes the temperature of a substance but not its state When performing a hydrostatic test on a ...

Lindsey Jones Final TMC Questions and Answers Already Passed Condensation has developed on the fuel cell of a galvanic oxygenation analyzer. Which of the following is true? A. The fuel cell should be replaced B. The analyzer will still function properly C. The gold grid in the analyzer should be replaced D. The reading will be erroneous D. The reading will be erroneous Condensation on the fuel cell of a galvanic-type oxygen analyzer may result in an erroneous reading of oxygen p...

Plant Operations BOMA Pre-Quiz 1-100 Latest Version Already Passed How may fittings be attached to a high pressure boiler? a. threaded b. certified welds c. flanges d. any of the above d. any of the above Which test determines the relieving capacity of safety valves? a. hydrostatic test b. accumulation test c. orsat test ration test b. accumulation test Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): a. flash tank b. open feedwat...