Fuel gas systems - Study guides, Class notes & Summaries

Where are the return openings located regarding air distribution systems? - Answer-Return air openings are located on inner walls. The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than what temperature? - Answer-20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed material due to heating too quickly 4. insufficient purge 5. scale and sludge build-up - Answer-1, 3, 5 ...

CME 542 EXAM 3 QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (GRADED 100%) Fuel cell advantages - CORRECT ANSWERS clean, quiet, and efficient Fuel cell disadvantages - CORRECT ANSWERS expensive, durability, reliability, not easy to store, transportation requires new systems and facilities fuel cell uses - CORRECT ANSWERS hospitals, schools, US department of defense, and bloom energy Fuel cell process - CORRECT ANSWERS Hydrogen fuel is fed into the anode of the fuel cell. Oxygen enters the ...

Power Engineering 4th Class - A12 Questions and Answers Rated A+ Natural draft is produced in a boiler furnace when: a. Hot flue gases condense b. Gases in the stack have more mass than an equal column of outside air c. Gases in the stack have less mass than an equal column of outside air d. Hot flue gases contract so that each cubic meter has more mass c If the power is cut off to an automatic gas valve, the valve will: a. Open widely b. De-pressurize the gas train c. Close im...

CFEI Study Guide Latest Update Graded A+ Evidence - Demonstrative Tangible items; see, touch, smell, hear. Evidence - Documentary Written form; business records, banking, calendars, phone records, fire reports, etc... Evidence - Testimonial Competent live witness speaking under oath; two types; fact and expert Evidence - illustrative Photos, sketches, maps, diagrams. Modes are frequently used at trial. Evidence - illustravtive Photos and Videos; what, why, how, when Eviden...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

Most drive ability complaints thought to be caused by the manual transmissions are actually caused by the driver Magnetic pulse generators are commonly used to send data to the computer about: The speed of the monitored component. Technician A says pulse width modulation (PWM) is measured in a length of time, not a percentage of a cycle. Technician B says that the cooling fan relay is usually controlled by the PCM through PWM. Who is correct? Both A and B When the pressur...

Portable Fire Extinguishers Questions and Answers Already Passed A Class A fire extinguisher with a numerical rating of 2 contains _____ of water. Select one: a. 1.0 gal (3.8 L) b. 1.5 gal (5.7 L) c. 2.0 gal (7.6 L) d. 2.5 gal (9.5 L) d. 2.5 gal (9.5 L) A Class B foam extinguisher is effective on all of the following fuels except one. Choose the exception. Select one: a. Gasoline b. Diesel fuel c. Cooking oil d. Paint thinner c. Cooking oil A Class C agent must: Select ...

How does electrical service enter a building? - Answer-From the street via the electrical service entrance cable into the electrical main disconnect, where it can be shut off. From there it goes to the Distribution panel and gets sent through circuits to various outlets, where appliances can be plugged in. The electrical main disconnect is often incorporated into the distribution panel. When an electrical system has fuses in the distribution panel, each of these fuses must have the same __...

ARE 5.0 - PPD - MECHANICAL SYSTEMS Exam with 100% Correct | Latest Updated Graded A+ Net Zero Structure - A building that consumes only as much energy as it produces on site through renewable means Selection of Fuel Type - Depends on Fuel's availability in the region and the dependability of supply; the fuel's cost, cleanliness and convenience of storage; and the needs of the building's equipment Natural Gas - Of all the fossil fuels it is the most efficient - it is clean burning and relat...

Ohio stationary steam engineer questions and answers already passed Combustion efficiency may be increased by_____ the primary air Preheating What is the purpose of cinder reinjection? increase efficiency 2 forces of equal intensity acting in opposite directions is? tension What is true about the dew poimt of flue gasses dew point is the temp at which the gasses will condense What will not cause high stack temps? plugged dry pipe What is true about smoke smoke consists of unb...