CASE STUDY Mr. Atkinson is on trial for criminal negligence because his company's steam boiler exploded. It was Mr. Atkinson's job to watch the pressure on the boiler to make sure that it does not go above the safe limit of 6895 kPa gauge. He testifies that just before the explosion, his control panel showed the pressure was 5860 kPa gauge, the temperature was 400°C, and the specific volume was 0.037 m³ per kg. All gauges were tested and found to be functional during the investigation following the explosion. The prosecutor says that Atkinson fell asleep while on duty. As a technical witness, what can you say about the case? Refer to Table 3.1 for the specific gas constant of steam.
CASE STUDY Mr. Atkinson is on trial for criminal negligence because his company's steam boiler exploded. It was Mr. Atkinson's job to watch the pressure on the boiler to make sure that it does not go above the safe limit of 6895 kPa gauge. He testifies that just before the explosion, his control panel showed the pressure was 5860 kPa gauge, the temperature was 400°C, and the specific volume was 0.037 m³ per kg. All gauges were tested and found to be functional during the investigation following the explosion. The prosecutor says that Atkinson fell asleep while on duty. As a technical witness, what can you say about the case? Refer to Table 3.1 for the specific gas constant of steam.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Table 3.1: Gas Constants and Specific Heats for Several Gases at Low Pressures
and 300 K
Cp
Btu/lbm-R| kJ/kg-•K
R
ft-lb:/lbm-°R
GAS
M
k
kJ/kg-•K
Air
28.97
1.400
1.0035
0.2397
0.2870
53.34
Argon, Ar
39.95
1.667
0.5203
0.1243
0.2081
38.68
Carbon Dioxide, CO2
44.01
1.289
0.8418
0.2010
0.1889
35.11
Helium, He
4.003
1.667
5.1926
1.2402
2.0770
386.01
Hydrogen, H2
2.016
1.409
14.209
3.3936
4.1242
766.49
Methane, CH:
16.04
1.299
2.2537
0.5383
0.5184
96.34
Nitrogen, N2
28.01
1.400
1.0416
0.2488
0.2968
55.16
Octane, CaH18
114.2
1.044
1.7113
0.4087
0.0728
13.53
Oxygen, O2
32.00
1.393
0.9216
0.2201
0.2598
48.28
Steam, H20
18.015
1.327
1.8723
0.4472
0.4615
85.77
CASE STUDY
Mr. Atkinson is on trial for criminal negligence because his company's steam
boiler exploded. It was Mr. Atkinson's job to watch the pressure on the boiler to make
sure that it does not go above the safe limit of 6895 kPa gauge. He testifies that just
before the explosion, his control panel showed the pressure was 5860 kPa gauge, the
temperature was 400°C, and the specific volume was 0.037 m³ per kg. All gauges were
tested and found to be functional during the investigation following the explosion.
The prosecutor says that Atkinson fell asleep while on duty. As a technical witness,
what can you say about the case? Refer to Table 3.1 for the specific gas constant of
steam.
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