Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN: 9781285444543
Author: Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher: Cengage Learning
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Chapter 1.2, Problem 7RQ
What career advancement opportunities exist for employees in the machine tool industry?
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Q41 (20 Marks)
An ideal steam power plant works on regenerative cycle. Some steam
(y1) is bled out between first and second stage and another portion (y2)
is bled between second and third stages and feed the feed water heaters
as shown in the following figures. In terms of enthalpies determine
(1) y1 (2) y2 (3)the work at the first turbine (4) the work at the second
turbine (5) the work at the third turbine (6) the work at the pump (FP1)
(7) the work at the pump (FP2) (8) the work at the pump (CEP) (9)
the heat received at the boiler (10) the rejected heat
Boiler
NY
ST1
ST2
ST3
TI
52
Condenser
CFWH
OFWH
11
www
12
10
CEP
FP
FP
DONT USE ARTIFICIAL INTELLIGENCE
Q2] (20 Marks)
A steam turbine with one open feed water heater (OFWH) as shown in the following figure.
In terms of enthalpies and y determine:
1- Work of HPT 2- Work of LPT 3- Work at Pump1 4- Work at Pump2 5-The heat added
at the boiler 6- The quantity (y) in terms of enthalpies 7-Heat extracted from condenser
5
Boiler
2岁
3
OFWH
9
Pump2
HPT
LPT
8 Pump1
O
Condenser
Chapter 1 Solutions
Precision Machining Technology (MindTap Course List)
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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