Air inlet control - Study guides, Class notes & Summaries

How many PPB equals one PPM? - One thousand parts per billion equals one part per million If the bubbler system air supply line at the wet well is clogged, what will this cause the pump to do? - Pressure build up in the supply line would signal more water column then there really was, causing the pump to run longer than necessary, possibly not kick off and run continually If the bubbler system air supply line at the wet well has a hole in it above the water level, what will this cause the ...

NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 8 feet A diode allows current to flow in one direction: True 1 Watt = _____ Btu 3.41 Current in a closed circuit is limited by which of the following: resistance An oil separator is located in the _____: Discharge line ___...

AFOQT Aviation Questions and Answers Already Passed Four Areodynamic forces acting on an airplane are? Drag, Lift, Thrust, Weight An airplane wing is designed to produce lift resulting from relatively: Positive below the wing/Negative above the wing Forces acting on a plane in a steady flight condition? Lift equals weight and thrust equals drag A flashing green air traffic control signal directed to an aircraft on the surface is a signal that the pilot is: Cleared to taxi St...

Tooling U Test Questions and Answers with Verified Solutions Which type of fluid flow generates low friction and occurs at a low velocity? Laminar flow Which power variable describes the rate at which a hydraulic system accomplishes work? Power Which statement about hydraulic horsepower (HHP) is true? HHP: Increases as flow rate and pressure requirements increase. What type of damage may occur when a hydraulic system operates above its temperature range? Conductor expansion ...

Backflow Prevention Assembly Tester Training - GA With Questions and Answers. What is an actual cross connection? - ANSWER Any arrangement of pipes, fittings, or devices that connects a potable water supply directly to a non-potable source at all times What is an Air Gap? - ANSWER The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or outlet supplying water to a tank, plumbing fixture, or other container, and the overflow rim of that con...

Gas Fitter 2 Practice Test - Questions and Answers Installation of one 400,000 btu natural draft boiler in a tight enclosure would require an air supply opening of? A. 114 sq in B. 50 sq in C. 58 sq in D 112 sq in With the installation of a 75,000 btu atmospheric hot water tank in a tight house, how much free air is required when using a round duct? A. 11" B. 4" C. 7" D. 3" A portable infrared heater that cannot be interlocked shall be connected to a: A. CO2 monitor alarm B. CO monitor ala...

A 10" natural gas main pipe is installed to supply a power plant; however, the pipe has a bad valve that must be replaced. How much of the 10" must be purged with inert gas before work can begin? - All of it NFPA 54 Table 8.3.1 A 127 foot long gas line is being installed in metallic pipe. The system is undiluted LP gas with an inlet pressure of 11.0 in w.c., with a 0.5 in. w.c. pressure drop and a specific gravity of 1.50. The appliance requires 1,670 cubic BTU of LP gas. What size metal...

MN Boiler License Exam Questions and Answers, Latest Update 2024/2025. what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's - answerc) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high - answera) Necessary to burn the combustible gases when p...

absorption rate correct answers the rate at which a soil will accept water. rate decreases as soil "capacity" is reached. affected by soil type, slope, , also called percolation rate and infiltration rate actual head pressure correct answers operating pressure at the base of the sprinkler head. calculated by subtracting all pressure losses, between the head and the pressure source, from the static pressure at the source. air gap correct answers a complete physical separation between the ...

G2 Questions and Answers with Verified Solutions What is the min. diameter for a leak test gauge? 3" Amp meter can read? Conductor magnetic field. What would the primary voltage to the furnace be? 120/1/60 What is the function of the intermittent pilot? Stays on during the main burner operation. What is the millivolt power output of a closed circuit thermocouple? 10 - 15 mv dc A pilot with a lazy yellow flame indicates? Orifice is too large. For flame rectification the most important part...