Resistant to corrosion - Study guides, Class notes & Summaries

what is a ALARM NOTIFICATION APPLIANCE - Answer-A fire alarm system component, such as a bell, horn, speaker, light, text display or vibration device that issues an audible, tactile, and/or visual alert. what is a AUTOMATIC BALL DRIP - - Answer-An automatic drain valve horizontally installed at the low point in the piping between the lower check valve and the Fire Department connection of automatic sprinkler systems. Water pressure from a Fire Department pumper automatically closes this val...

Cast Iron Sectional Boiler - Answer Like Bread, sections in between are intermediate. Held together with push nipples and stay bolts. No special foundation required Expandable (can add more centers to increase heating capacity) Boiler trim mounted on end sections Disadvantage: Always low pressure Advantage: corrosion resistant

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

CWB Level 2 All Modules Exam - Questions and Answers Fatigue cracks are one of several issues that threaten the life of welded structures. They begin as: A) Minute cracks and then grow under static loads B) Large cracks and then grow without the requirement for load C) Minute cracks and then grow under fluctuating stress D) Large cracks and then grow under static loads Radiographic inspection can be performed with the following types of radiation. A) Ultrasonic and magnetic particle B) Infrare...

Quiz :Cast Iron Sectional Boiler - √Answer :Like Bread, sections in between are intermediate. Held together with push nipples and stay bolts. No special foundation required Expandable (can add more centers to increase heating capacity) Boiler trim mounted on end sections Disadvantage: Always low pressure Advantage: corrosion resistant

It is important to carry __________ for those homes that may have inadequate wiring or overloaded circuits. 15 & 20 Amp fuses To change the nature of hard creosote deposits the most common method is the issue of __________. Chemicals The most difficult brush to reverse in the flue is __________. Flat wire brush Air is blown into a mask or hood when you use a _________ respirator. Positive Sweeps choose aluminum ladders over fiberglass because they are __________ and__________. Lighter; l...

To be compliant with ASTM 1487, a designer or manufacturer of playground equipment should - Correct answer-provide buyers with a parts list for the playground 2. The fish or wedge probe is used to determine whether or not a hazard exists on - Correct answer-a partially bounded opening 3. Which of the following is correct regarding the impact-attenuation of surfacing material - Correct answer-Critical height must equal or exceed fall height 4. When evaluating the structural integrity of a s...

Passivation -A chemical process that creates a thin layer of chromium oxide on the surface of the instrument. -This layer is transparent but tough and protects the underlying material Electropolishing will produce a highly polished finish and less corrosive Ever edge 2.0 -newest and most advanced scaler from hu friedy manufacturer -technology introduced about 10 years ago Corrosion The process that metal change to metal oxide Tarnish Chemical or electrochemical attack on...

Az ROC Trade Exam B-3 License Correctly Solved Already Passed A+ Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and penetrate the framing a minimum of how much? *ANS* 1-1/2 inches When framing openings in floors with a header and trimmer joists, what maximum header joist span is allowed with a single member header? *ANS* 4 feet Above the handrail and below the head, what is the minimum clear opening on a stairwell? *ANS* 36 inches When inst...

API 571 Practice Exam #2 Questions And Correct Answers, 100% Verified Ammonium bisulfide corrosion is an aggressive corrosion occurring in hydroprocessing reactor effluent streams and in units handling alkaline sour water. Several major failures have occurred in hydroprocessing reactor effluent systems due to localized corrosion. The least resistant material to this type of corrosion is: a) aluminum alloys b) carbon steel c) 300 Series SS d) duplex SS B 5.1.1.2.2 a) For materials susce...