What is corrosion - Study guides, Class notes & Summaries

Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity - Answer - d Metal loss or corrosion occurs at the A) cathode B) anode C) electronic path D) metallic path - Answer - b What are the four parts of the corrosion cell A) anode, resistor, electrolyte, metallic path B) anode, cathode, electron, electronic path C) anode...

TCEQ Class C Water License Exam Questions and Answers Latest Updated 2024/2025 (100% Correct) Graded A+. State Agency responsible for enforcing the safe drinking water act in Texas (Ans- Texas Commission on environmental Quality What minerals can cause water hardness (Ans- Calcium and magnesium A public water system must at all times provide (Ans- Adequate quantity of water, pressure, and disinfection A source groundwater would be (Ans- aquifer Fecal coliform organisms sometimes found in...

A Golf Ball has more mass than a tennis ball because it___. A. Takes up more space B. Contains more matter C. Contains different kinds of matter D. Has a definite composition - Answer-Contains more matter All of the following are physical properties of matter EXCEPT___. A. Mass B. Color C. Boiling Point D. Ability to Rust - Answer-ability to rust Which state of matter is characterized by having an indefinite shape, but a definite volume? A. Gas B. Liquid C. Solid D. None of the Abo...

TCEQ class c water license exam questions and answers 100% pass State Agency responsince for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source groundwater would be aquifer Fecal coliform organisms sometimes found in water supplies are an indication that Water supply is contaminated,...

Muerto Canyon virus (MCV) is a Hantavirus mainly carried by... - ANSWER-Mice The wastewater from the flushing of a water closet, latrine, or privy is referred to as: - ANSWER-Black water Bloodborne pathogens are regulated by: - ANSWER-OSHA A negative pressure fit test for a protective mask: - ANSWER-Is done by placing both palms against the intake filters Excessive condensation, corrosion, and mildew occur when the relative humidity exceeds... - ANSWER-60% Quantitative risk assess...

NCTI Final Exam Maintance Tech 2-3 Conventional| New Update 2023/ 2024| Verified Questions and ANSWERs In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - ANSWER For redundant Powering of the node. What is an o...

You have received items you've never packaged before. Where do you find their preservation and packaging requirements? - Answer-Army Publishing website You found an item's 12-digit packaging code. To look it up, you need to use the tables in - Answer-MILSTD-2073-1, Appendix J What type of cushioning and dunnage material does this 12-digit packaging code require? P,B,000,32,1,07,GH,ZZ Z Z, , 00, 0, ED, P, 00,B - Answer-No requirement What type of preservation material does this 12-digit pa...

Nace cip level 1 study guide questions and answers latest 2023 1. Define Corrosion: The deterioration of a substance, usually a metal from a reaction with its environment 2. What is Passivation?: A layer of oxides formed on the surface of a metal that provides corrosion protection. 3. What is an example of passivation?: Stainless Steel 4. What are the elements of a corrosion cell?: Anode, Cathode, Metallic Path- way, Electrolyte 5. Describe what happens at the anode.: The metal dissolves in...

What is the most important factor affecting the useful life of service lines? - Answer It is the ability of the material to resist internal and external corrosion When does Suction Head exist? - Answer Suction head exists when the source of supply is above the centerline of the pump. What is Net positive Suction Head (NPSH) - Answer NPSH is the pressure under which water enters the eye of the impeller in a centrifugal pump. Insufficient NPSH is the main cause of pump cavitation Ex...

Why should artificial or acrylic nails not be worn by scrub personnel? ----CORRECT ANSWER--------Both types of nails may harbor organisms or fungi What instruments are used for chalazion excision? ----CORRECT ANSWER-------- Chalazion clamp, scalpel, forceps, curette, and scissors What are the six methods commonly used for sterilizing ophthalmic instruments and materials? ----CORRECT ANSWER--------Boiling, dry heat, autoclave, chemical disinfections, gas, and ultraviolet radiation How shou...