Module15-New.doc - Module 15 GAS TURBINE ENGINE 15.1 GAS...

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Module 15, GAS TURBINE ENGINE. 15.1 GAS TURBINE ENGINE Fundamentals. Question Number. 1. On an axial flow, dual compressor forward fan engine, the fan turns the same speed as the. Option A. low pressure turbine. Option B. high pressure compressor. Option C. forward turbine wheel. Correct Answer is. low pressure turbine. Explanation. Rolls Royce The Jet engine Page 6 refers. Question Number. 2. A turbo jet engine gives. Option A. large acceleration to a small mass of air. Option B. large acceleration to a large weight of air. Option C. small acceleration to a large mass of air. Correct Answer is. large acceleration to a small mass of air. Explanation. Rolls Royce The Jet engine Page 2/3 refer. Question Number. 3. The basic gas turbine engine is divided into two main sections: the cold section and the hot section. Option A. The cold section includes the engine inlet, compressor, and turbine sections. Option B. The hot section includes the combustor, diffuser, and exhaust. Option C. The hot section includes the combustor, turbine, and exhaust. Correct Answer is. The hot section includes the combustor, turbine, and exhaust. Explanation. NIL. Question Number. 4. A jet engine derives its thrust by. Option A. drawing air into the compressor. Option B. impingement of the propelling gases on the outside air. Option C. reaction of the propelling gases. Correct Answer is. reaction of the propelling gases. Explanation. Newtons third law applies- Rolls Royce The Jet engine Page 2/3 refers.
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Question Number. 5. Which of the following might be used to identify turbine discharge pressure?. Option A. Pt7. Option B. Pt2. Option C. Tt7. Correct Answer is. Pt7. Explanation. Question Number. 6. In a free turbine. Option A. there is a clutch between compressor and power output shaft. Option B. there is a direct drive with a free-wheel unit. Option C. there is no mechanical connection with the compressor. Correct Answer is. there is no mechanical connection with the compressor. Explanation. Rolls Royce The Jet engine Page 5 refers. Question Number. 7. Bernoulli's Theorem states that at any point in a flow of gas. Option A. the static pressure and dynamic pressure are equal. Option B. the static pressure is less than the dynamic pressure. Option C. the total energy remains constant. Correct Answer is. the total energy remains constant. Explanation. See Chapter 2 of Rolls Royce The Jet Engine. Question Number. 8. The working fluid of a gas turbine engine is. Option A. gasoline. Option B. kerosene. Option C. air. Correct Answer is. air. Explanation. Kerosene provides the energy to drive the air. Question Number. 9. Which statements are true regarding aircraft engine propulsion?. Option A.
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This note was uploaded on 03/09/2011 for the course AIRCRAFT 2008.09.00 taught by Professor Dr.alan during the One '11 term at TAFE NSW - Sydney Institute.

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Module15-New.doc - Module 15 GAS TURBINE ENGINE 15.1 GAS...

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