Realgrades

At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? a) >10% b) >25% c) 20-40% d) >40% - correct answers B 4.2.20.1 What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. a) shock tubes b) radian tubes c) tube hangers and supports d) convection tubes - correct answers C 4.4.6.4 c) Hydriding of titanium is a metallurgical phenomenon in which hydro...

1 - Scope 1-Which of the following activities is NOT included in the scope of API 570? - correct answers Operating a pipe system 2-Which of the following activities is NOT included in the scope of API 570? - correct answers Performing pipe fabrication 3-API 570 pertains to: - correct answers Only to metallic and FRP pipe 4-API 570 pertains only to: - correct answers Pipe and their associated relief devices 5-The inspector discovers a problem on a pipe that requires corrective action...

Alternating current field measurement (ACFM) - correct answers Electromagnetic inspection technique that can be used to detect and size surface-breaking (or in some cases near-surface) defects in both magnetic and non-magnetic materials. Actual Throat - correct answers The shortest distance between the weld root and the face of a fillet weld. Air Carbon Arc Cutting (CAC-A) - correct answers A carbon arc cutting process variation removing molten metal with a jet of air. Arc Blow - correc...

None! Number of welds to RT is established by the primary code - correct answers How many welds does 577 require to be RT'd Arc blow - correct answers Deflection of an arc from normal path because of opposing magnetic forces Arc length - correct answers Distance from the tip of the welding electrode to the adjacent surface of the weld pool Autogenous - correct answers Welds made without filler metal Backing - correct answers Material or device placed on back side of a joint, to su...

A - correct answers What does "L" mean in Austentic SS, like 304L? A) Has a low carbon content B) has a low chrome content C) has a low nickel level D) has a low toughness level E) is lousy steel A - correct answers What does "H" mean in Austenitic SS, like 316 H? A) Has a high carbon content B) has a high chrome content C) has a high nickel level D) has a high toughness level E) is horrible steel A - correct answers Which of the following is NOT a Ferritic Steel? A...

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chemical kinetics - correct answers the study of reaction rates, how reaction rates change under varying conditions and by which mechanism the reaction proceeds. Reactions can be spontaneous but - correct answers this does not mean they occur fast Kinetics - correct answers the study of reaction rates reaction rates - correct answers a measure of how quickly reactants turn into products rate laws are - correct answers how the rate depends on amounts of reactants integrated rate la...

reversible reactions - correct answers a chemical reaction in which the products can react to re-form the reactants chemical equilibrium - correct answers when the rate of the forward reaction equals the rate of the reverse reaction + the concentration of the products + reactants remain unchanged reactant concentrations start high & _________ as the reaction proceeds. the forward rate, which depends on collision of the reaction, decreases. - correct answers decreases product concentrati...

Write the equation for AgCl (s) - correct answers AgCl (s) = Ag ^+1 + Cl ^- Write the equation for FeCl2 (s) - correct answers FeCl2 (s) = Fe ^2+ + 2Cl^- Write the equation for Al2 (CO3)3 - correct answers Al2 (CO3)3 = 2 Al ^3+ + 3 CO3^2- What is a solubility product constant? (Ksp) - correct answers measure of how much of the solid dissolves to form a saturated solution at equilibrium Write the Ksp for AB (s) = A^+ + B^- - correct answers [A^+][B-] What substances never show up i...

what is the purpose of today's lab? (Lab: analysis of copper in brass sample) - correct answers to calculate the percentage of copper present in a brass sample by using a spectrophotometer. what type of elements can you find in a brass sample?(Lab: analysis of copper in brass sample) - correct answers tin, lead, copper and zinc How is the concentration of copper (II) ions going to be determined in today's experiment? (Lab: analysis of copper in brass sample) - correct answers the mol...