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4TH CLASS POWER ENGINEERING UNIT A11 CHAPTER 1 INTRODUCTION TO BOILERS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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Tubes used for high pressure boiler service are usually: Select one: a. welded b. rolled c. seamless d. beaded - ANSWER c This type of boiler is assembled piece by piece on the work site: Select one: a. field-assembled b. field-erected c. packaged d. auxiliary - ANSWER b A cylindrical pressure vessel component to which heads or matching components can be attached: Select one: a. downcomer b. riser c. flue d. course - ANSWER d In a pressure vessel, this is the plate tha...

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WORKSHEET 5-2 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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one coulomb per second is equivalent to 1 A and 1 C is equal to 6.3 x 10^18 electrons. therefore, operation at 100 mA would result in a current of: - ANSWER 6.3 x 10^17 electrons/s the filament transformer: - ANSWER increases current located with the high-voltage generator, a step-down transformer - ANSWER the filament transformer a PA chest requires a technique of 125 kVp @ 4 mAs. the total number of electrons used to make the exposure is: - ANSWER 2.5 X 10^16 begins at the autotran...

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MPT CHAPTER 127 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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Technician A says that the torque available at the output shaft is greater in 2nd gear than when the transmission/transaxle is in 3rd gear at the same engine speed. Technician B says that the output shaft is rotating faster when the transmission/transaxle is in 2nd gear compared to 3rd gear when the engine is at the same speed. Which technician is correct? A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B - ANSWER A) Technician A only The...

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REACTOR LAB 1-100 questions and answers with solutions 2024/25

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a - ANSWER QUESTION A-1 With the reactor on a constant period, which transient requires the LONGEST time to occur? A reactor power change of: a. 5% of rated power - going from 1% to 6% power of rated power b. 10% of rated power - going from 10% to 20% power of rated power c. 15% of rated power - going from 20% to 35% power of rated power d. 20% of rated power - going from 40% to 60% power of rated power a - ANSWER QUESTION A-2 The time required to increase power from 100 W to 250 kW on ...

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3B1 CHAPTER 14 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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Which welding process is most often chosen for robotic arc welding? Select one: a.Submerged Arc Welding process. b.Gas Metal-Arc Welding process. c.Gas Tungsten Arc Welding process. d.Reverse Metal-Arc Welding process. - ANSWER b Which of the following terms describes spherical or tube like defects, cavities or voids that are caused by gases trapped inside the weld or gases that have moved to the surface? Select one: a.Slag inclusions b.Checks c.Cracks d.Porosity - ANSWER d Which...

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305-309 REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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Although metal water piping alone is not permitted to serve as a grounding electrode conductor the first ____ of metal water pipe entering the building is permitted to serve as part of the grounding electrode - ANSWER 5 feet What is the smallest size wire permitted to be used as a main bonding jumper in a 1200 amp fused safety switch? The safety switch is fed from a transformer with four parallel sets of 350 Kcmil - ANSWER 4/0 Four conduits contain three 3/0 conductors for the ungrounded c...

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CHAPTER 8 JET TRANSPORTATION QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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In an electrical circuit the reverse current cut-out relay will open: a. when battery voltage exceeds generator voltage b. when circuit voltage is less than generator voltage c. when the main output CB is reset d. when the batteries are flat - ANSWER a A generator cut-out is provided: a. to prevent the battery over heating b. to prevent the battery from being overcharged c. to allow the generator to be isolated in a crash d. to prevent discharge of the battery through the genera...

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POWER ENGINEERING 4B BOOK 6 WATER TREATMENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024/25

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d - ANSWER Total alkalinity is measured: Select one: a. Using phenolphthalein and sulfuric acid b. To control the concentration of oxygen scavenger c. Usingpotassium iodide-iodate and EDTA d. Using methyl purple indicator and sulfuric acid d - ANSWER Oxygen in condensate can cause: Select one: a. low alkalinity b. scale deposition c. highly acidic water d. pitting corrosion d - ANSWER For a wet layup, what is the recommended boiler water sodium sulfite residual? Select one: a. ...

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