Boiler components - Study guides, Class notes & Summaries

4A Unit 12 Questions and Answers Graded A+ (4-063-1.14) The operator, while blowing off a boiler, should have an assistant to: Select one: a. Open the blow-off tank drain b. Watch the gauge glass level c. Close the quick opening valve in a hurry d. Open the slow opening valve b. Watch the gauge glass level (4-091-3.3) In a mechanical atomizing burner with three fixed capacity burners, the Intermediate and high fire burner nozzles may have higher capacities than the primary burner ...

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...

Where should you place the needle or syringe after collecting it? - Answer- In an empty bottle or container. If none are available empty the first aid kit into a bag and put the needle into the empty box What is the CC chain of command based on? - Answer- Based on rank and who has been there for the longest. What is the primary role of CC? - Answer- Safety of passengers, crew & aircraft How many hours before commencing duty should CC stop consuming alcohol according to Ryanair requireme...

Gas Technician G2 Exam Review (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: A regulator is sized for the load it is to serve by: Answer: Checking the appliance rating place and selecting a regulator for that input range. Q: A propane vaporizer shall not raise the pressure in a tank in excess of: Answer: 215 PSIG Q: Which of the following best describes a bellows type meter? Answer: One which uses pressure differential across an...

Industrial Maintenance Final Exam Review with Complete Solutions ____ current is current that reverses its direction of flow at regular intervals. alternating ____ is the amount of electrical pressure that causes electrons to move in a circuit. voltage Current is measured in ____. amperes A(n) ____ is a device that automatically opens a circuit to prevent damage from a high-current condition. OCPD A(n) ____ is the conducting part of a switch that operates with another conducting...

Ohio Stationary Steam Engineer 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 unburned hydrocarbons WHat...

Backflow Prevention Assembly Tester Exam V1 (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: A hose-bibb connection is required to have a permanently installed ____? A. Atmospheric vacuum breaker B. Backflow preventer C. Pressure vacuum breaker D. Shut-off valve E. Spill-resistant vacuum breaker Answer: Atmospheric vacuum breaker Q: Atmospheric vacuum breakers must not be subject to continuous water pressure for more than ___ hr. A. 3 B. 6 C....

ABSA 5th Class | 250 Questions | With Completed Solutions 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. insuffic...

MN Boiler Exam Questions With Verified Answers Cast Iron Sectional Boiler - answerLike 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 Firetube boiler - answerused for heating and process Gas/heat of combustion on one side and water on outside. Hori...

ABSA 5th Class Exam Questions and Answers 100% Pass 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. insufficie...