A check valve must - Study guides, Class notes & Summaries

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

Polyethylene What is the most often used material for potable water system tanks? 1. Copper Alloys (incl. bronze, brass and nickel-copper) 2. AISI Type 300 series stainless steel 3. Glass-lined metal 4. FDA approved plastic 5. FDA approved rubber Name 5 materials allowable for contact use in potable water systems: Siphon Break What device can be used to separate potable water from other water systems? Accumulator Tank, after pump/filter and before check-valve What is the device used t...

Minnesota Special Engineer Boiler License Exam Prep (2023/2024 Update) | Questions and Verified Answers| 100% Correct Q: A feed water line must have what two valves? Answer: Check & stop Q: After a new boiler is installed, what must be performed? Answer: Hydrostatic test Q: All stationary boilers of what pressure must have 2 valves on the blow off line? Answer: 100psi Q: How is boiler efficiency calculated? Answer: Output divided by input Q:...

NFPA 1001 is the: A. Standard for Fire Fighter Professional Qualifications. B. Standard for Industrial Fire Brigades. C. Standard for Fire Department Occupational Safety and Health Programs. D. Standard for Blood Borne Pathogen Training. - Correct answer-A One of the primary functions of the truck/ladder company is: A. performing forcible entry to the fire building. B. directing traffic at the scene. C. laying supply lines for engine companies. D. fire attack. - Correct answer-A OSHA m...

CDL Class A License Questions and Answers 100% Pass What is the most important reason for doing a vehicle inspection? Saftey for yourself and for other road users. What things should you check during a trip? 1. Instruments 2. Air Pressure Gauge 3. Temperature Gauges 4. Pressure Gauges 5. Ammeter/Voltmeter 6. Mirrors 7. Tires 8.Cargo 9. Lights Name 7 key steering system parts? 1. Tie Rod 2. Steering Column 3. Gear Box 4. Resevoir 5. Steering Knuckle 6. Draglink 7. Spindle Name some suspension...

ACLS Red cross Exam Questions and Answers 100% Pass In a six-person high-performance resuscitation team, which tasks are responsibilities of the five team members who are not leading the response? - Answer- Record key data Performing chest compressions Sharing pertinent observations When providing high-quality CPR to an adult, what is the proper depth for chest compressions? - Answer- At least 2 inches (5cm) but less than 2.4 96cm) What is the rapid assessment? - Answer- A quick assessme...

What are the 6 general principles of psychopharmacological treatment? Safety Tolerability Efficacy Practicality Treatment accessibility Treatment compliance Pharmacokinetics How the drug moves in the body. (ex. Where is it absorbed? How and where is it metabolized? Where is it excreted?) Pharmacodynamics What the drug does to the body. (consider mechanism of action) Define First-generation antipsychotics Referred to as Typical Antipsychotics. Most have strong bond w...

NICET Level 2 ITM of Water Based Systems Questions and Answers 100% Pass When placing a LOTO on a system, how many locks should be applied? As many locks as their are personnel working on the system. A ladder must be able to support ____ times the weight of the expected load 3.3 It is acceptable to enter into a confined space without an attendant, but only if all other precautions and PPE are taken. False A defective air pressure gauge on the supply air of a dry pipe system is considered a __...

A Calibration procedure calls for checking a chemical cell oxygen analyzer daily. The range of the analyzer is 0 to 1000 PPM, and the procedure states that ambient air be used for the check. The chemical cell costs $350 and has a rated six months life. Cells are being replaced monthly.You Should: - A. Try to find a supplier of the sensor cells that is not as expensive. B. recommend a different type analyzer be used. C. recommend that a calibration system be installed using a 1000 PPM calibr...

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...