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The disadvantages of a gas turbine are: 1. High cost of manufacture 2. High levels of noise pollution are produced 3. Low thermal efficiency 4. Requires many auxiliaries to be efficient A. 1, 2, 3 B. 1, 3, 4 C. 2, 3, 4 D. 1, 2, 4 E. 1, 2, 3, 4 - E The most common process method of refrigeration is: Select one: A. Absorption B. Lithium bromide C. Water vapor D. Vapor compression or mechanical E. Ammonia compression system - D To facilitate the removal of moisture and oil from the...

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3B2 POWER ENGINEER COMPREHENSIVE EXAM QUESTIONS WITH COMPLETE VERIFIED ANSWERS AND DETAILED EXPLANATIONS QUESTION 1 When the exit pressure of a steam turbine nozzle is less than ________ times the inlet pressure, then a ________ nozzle will be used. A) 0.757, convergent B) 0.577 (critical pressure ratio for steam), convergent-divergent C) 0.757, convergent-divergent D) 0.757, convergent E) 0.577, convergent or convergent-divergent Correct Answer: B Explanation: For stea...

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3B2 POWER ENGINEER EXAM COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS AND DETAILED EXPLANATIONS QUESTION 1 What are the disadvantages of a gas turbine? A) High cost of manufacture only B) High levels of noise pollution only C) Low thermal efficiency only D) High cost of manufacture, high noise levels, low thermal efficiency, and requires many auxiliaries to be efficient Correct Answer: D Explanation: Gas turbines have multiple disadvantages: high manufacturing cost (precision compon...

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3B2 Power Engineer Exam Practice Questions With 100% Correct Answers Q.The disadvantages of a gas turbine are: 1. High cost of manufacture 2. High levels of noise pollution are produced 3. Low thermal efficiency 4. Requires many auxiliaries to be efficient A. 1, 2, 3 B. 1, 3, 4 C. 2, 3, 4 D. 1, 2, 4 E. 1, 2, 3, 4 - ANSWERS-E Q.The most common process method of refrigeration is: Select one: A. Absorption B. Lithium bromide C. Water vapor D. Vapor comp...

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3B2 Power Engineer Exam Practice The disadvantages of a gas turbine are: 1. High cost of manufacture 2. High levels of noise pollution are produced 3. Low thermal efficiency 4. Requires many auxiliaries to be efficient A. 1, 2, 3 B. 1, 3, 4 C. 2, 3, 4 D. 1, 2, 4 E. 1, 2, 3, 4 - E The most common process method of refrigeration is: Select one: A. Absorption B. Lithium bromide C. Water vapor D. Vapor compression or mechanical E. Ammonia compression system - D To facilitat...

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