Gas turbine engines - Study guides, Class notes & Summaries

DDG 1/3 Bell - 0-7 knots DDG 2/3 Bell - 8-12 knots DDG Standard Bell - 13-19 knots DDG Full Bell - 20-27 knots DDG Flank Bell - 28+ knots DDG Max Bell - 30+ knots DDG Displacement - 9200 tons DDG Beam - Hull: 66 ft (SLQ-32 decks overhang 4 feet on each side) DDG Shadow Distance - 160 ft DDG Propulsion Plant - 4 Gas Turbine Engines 100,000 total shaft HP DDG Electrical Plant - 3 Gas Turbine Engines DDG Height of Eye - 56 ft DDG Air Draft - 122 ftDDG Draft - 32.5 ft DDG Length - 509...

Gas Turbine Engines - Performance Question and answers rated A+ 2023/2024Gross thrust - correct answer Forward acting gas load forces - rearward acting gas load forces. Measured at static thrust (no velocity) as a baseline. Thrust specific fuel consumption - correct answer Ratio of the mass of fuel required to produce a unit of power per unit of time. What does thrust specific fuel consumption measure? - correct answer Engine efficiency As Pressure Altitude increases, what will happen t...

Gas Turbine Engines - Performance

Lubrication Questions and Answers Already Passed What will happen if an engine is run at very high temperatures using a lubricant that is intended for lower temperatures? The oil pressure is likely to drop below the normal range. Consider these statements: 1. Mixing gas turbine and reciprocating engine oils is acceptable. 2. Gas turbine engine oils are primarily synthetic. Which of the following is accurate? Only the second statement is correct. What is commonly associated wi...

NIFE Engines 2024 Questions and Answers Rated A+ EXPLAIN Bernoulli's Equation, given dynamic pressure, static pressure, and total pressure Bernoulli's equation stats Pt=Pdynamic+Pstatic. As any incompressible fluid passes through a convergent opening its velocity increases and pressure decreases. Describe Airflow in a nozzle When Pressure is decreased and velocity is increased Subsonic: Diverging nozzle=increased pressure, decreased velocity converging: opposite Super so...

Gas Turbine Engines - Performance

NIFE ENGINES QUESTIONS AND ANSWERS GRADED A+ What is Bernoulli's theorem Any incompressible fluid that passes through a convergent opening, velocity increase, pressure decreases What is Bernoulli's Equation Pt=Ps+Pk Which type of air is compressible? Supersonic air What happens to Velocity and Pressure in a nozzle Pressure decreases, velocity increases What happens to Velocity and Pressure in a diffuser? Pressure increases, velocity decreases Draw the tootsie roll method Left...

DDG 1/3 Bell correct answers 0-7 knots DDG 2/3 Bell correct answers 8-12 knots DDG Standard Bell correct answers 13-19 knots DDG Full Bell correct answers 20-27 knots DDG Flank Bell correct answers 28+ knots DDG Max Bell correct answers 30+ knots DDG Displacement correct answers 9200 tons DDG Beam correct answers Hull: 66 ft (SLQ-32 decks overhang 4 feet on each side) DDG Shadow Distance correct answers 160 ft DDG Propulsion Plant correct answers 4 Gas Turbine Engines...

AVSC 3330 Exam | Questions and Answers Axial-flow compressors are less fuel efficient than Centrifugal-flow compressors. False The core of the gas turbine that generates expanding gases required to produce thrust is known as? The Gas Generator Why is the core of the turbine engine known as the Gas Generator? It generates the expanding gases required to produce thrust What do Gas turbine engines share jet propulsion principles with? Party balloons that have been inflated and released What is t...

NIFE ENGINES ALL POSSIBLE QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION What is Bernoulli's theorem Answer - Any incompressible fluid that passes through a convergent opening, velocity increase, pressure decreases What is Bernoulli's Equation Answer - Pt=Ps+Pk Which type of air is compressible? Answer - Supersonic air What happens to Velocity and Pressure in a nozzle Answer - Pressure decreases, velocity increases What happens to Velocity and Pressure in a diffuser? Answer - Pre...