Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Chapter 1.2, Problem 1RQ
What is an engineering drawing and what is its purpose?
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Consider the combined gas-steam power cycle. The topping cycle is a gas-turbine cycle that has a pressure
ratio of 8. Air enters the compressor at 300 K and the turbine at 1300 K. The isentropic efficiency of the
compressor is 80%, and that of the gas turbine is 85%. The bottoming cycle is a simple Rankine cycle
operating between the pressure limits of 7 MPa and 5 kPa. Steam is heated in a heat exchanger by the
exhaust gases to a temperature of 500°C and the isentropic efficiency of the turbine is 90 %. The exhaust
gases leave the heat exchanger at 450 K. Considering the mass flow rate steam as 1 kg/s, determine:
A) Net power, B) Total input heat, C) Total entropy generation, D) Energy efficiency, E) Exergy efficiency,
F) T-s diagram
Solve by EES
Compressor
Air -③
in
Exhaust
gases
Pump
Combustion
chamber
Gas
turbine
Gas cycle
Heat exchanger
Condenser
Steam
Steam
turbine
cycle
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Chapter 1 Solutions
Precision Machining Technology
Ch. 1.1 - Define the term machining.Ch. 1.1 - What is a machine tool?Ch. 1.1 - What is manufacturing?Ch. 1.1 - List four industries that depend on machining.Ch. 1.1 - What does the abbreviation CNC stand for?Ch. 1.1 - What is the purpose of the drill press?Ch. 1.1 - What machine tool produces cylindrical parts?Ch. 1.1 - Briefly describe the primary purpose of sawing...Ch. 1.1 - What machine tool is available with either...Ch. 1.1 - Abrasive machining makes use of ______ to remove...
Ch. 1.1 - What does the abbreviation EDM stand for?Ch. 1.1 - What are the two types of EDM machines?Ch. 1.1 - __________ uses a high-pressure stream of water...Ch. 1.1 - Briefly describe the principle of laser machining.Ch. 1.2 - What is an engineering drawing and what is its...Ch. 1.2 - What is the primary duty of a machine tool...Ch. 1.2 - What occupation involves preparing tools and...Ch. 1.2 - Briefly describe a CNC programmers...Ch. 1.2 - Prob. 5RQCh. 1.2 - Prob. 6RQCh. 1.2 - What career advancement opportunities exist for...Ch. 1.2 - What career area related to machining deals with...Ch. 1.2 - What occupation requires knowledge of several...Ch. 1.2 - What is metrology?Ch. 1.3 - Briefly compare and contrast technical and...Ch. 1.3 - List four personal skills beneficial to achieving...Ch. 1.3 - Explain why two of the four personal skills from...Ch. 1.3 - List four technical skills beneficial to achieving...Ch. 1.3 - Explain why two of the four technical skills from...Ch. 1.3 - What is the purpose of CTE or vocational...Ch. 1.3 - What are the similarities and differences between...Ch. 1.3 - What is an apprenticeship?Ch. 1.3 - What are two different ways that apprenticeships...Ch. 1.3 - What is a journeyperson?Ch. 1.3 - What does NIMS stand for?Ch. 1.3 - Discuss how NIMS certification is different from...Ch. 1.3 - Briefly describe a portfolio and give an example...
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- Please consider the following closed-loop Multiple-Input Multiple-Output (MIMO) control system: R₁(s) and R2(s) are the reference signals (or inputs), • G₁(s) (where i = 1,2,3,4,5) are the plant transfer functions, • C₁(s) and C2(s) are the responses (or system outputs), • All of them are in Laplace domain. R2 + R₁ + + G₂(s) G3(S) Tasks: G5(s) G4(s) + G₁(s) می a) Please derive the transfer function between C₁ (s) and R₂(s) (i.e., find R₂(s) (10 marks) (10 marks) b) Please derive the transfer function between C₂(s) and R₁(s) (i.e., find C2 (s)). R₁(s) Hint: Please carefully analyse how the signals interact with the plants G₁(s) and find all paths fromarrow_forwardMột thanh dài L = 2,5 m được nối bằng chốt với một con lăn ở A. Con lăn chuyển động dọc theo một đường ray nằm ngang như hình vẽ với VA 5 m/s. Xác định vận tốc của điểm C (trung điểm của thanh AB) = tại thời điểm 0 = 33° và O = 0.4 rad/s. A. v = (-5.42+0.272})(m/s) C. v = (5.421+0.272})(m/s) B. v =(0.272i+5.42j)(ms) D. (5.42-0.272)(m/s) = C Barrow_forwardThe simulink and Matlab part are the prioritized areas please.arrow_forward
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