... however, some facilities use a single line for both 2.2 Operating On-Base Petroleum Systems The FMF is responsible for operating on-base petroleum systems, according to AFI 23-201, Fuels Management, ... cross-country pipeline systems and marine facilities are in common use in oversea areas In some areas Air Force personnel maintain these systems 2.1.2 Bulk Fuel Storage Facility Pipelines Petroleum fuels ... Checks Pressure-check off-base piping systems annually in the same way prescribed for on-base piping systems (see paragraph 2.3.3.1) Hydrostatically test new piping systems in accordance with API RP
Ngày tải lên: 20/06/2014, 17:20
... connected in series with the power supply line to the control equipment in the operating pumphouse The switches are provided so operating personnel at any pit can stop all fueling operations in case ... the operating pumphouses must be manually reset to resume fueling 4.4.8 Defueling Tank A deep-well turbine pump is installed on the defueling tank to transfer the product to bulk storage or operating ... Information The Type II Pritchard System was developed in 1955 to improve operating characteristics in conventional hydrant fueling systems It can service multiple hydrant outlets per control pit, so
Ngày tải lên: 20/06/2014, 17:20
Gas Station Construction and Maintenance, Petroleum systems Contractor Nevada and Arizona_6 potx
... compressed air systems with the same care taken on liquid systems Closed valves should be slowly cracked open and both sides should be allowed to equalize prior to opening the valve further Systems ... compressed air systems can cause serious damage The condensed moisture can cause corrosion, water hammers, and freeze damage; therefore, it is important to avoid moisture in compressed air systems Coolers ... Centrifugal Rotary 1.3 STATE the reason for using cooling systems in air compressors 1.4 STATE three hazards associated with pressurized air systems 1.5 Given the appropriate information, CALCULATE
Ngày tải lên: 20/06/2014, 17:20
Gas Station Construction and Maintenance, Petroleum systems Contractor Nevada and Arizona_7 pptx
... closed systems have a pressure relief bypass system (pressure relief valve and or check valve) Relieved fuel must be directed to a vented tank Trang 68.2 Safety Precautions and Hazards of Liquid Petroleum ... ingestion) and its vapors Vapors from all petroleum products constitute fire and explosion hazards and are also toxic to the human body Vapors from petroleum products have caused fires or explosions ... MIL-HDBK-201B(1), Petroleum Operations, October 1, 1992, MIL-HDBK-1022A, and AFOSH Std 91-38, Hydrocarbon Fuels, General 8.2.1 Toxic Liquids, Vapors, and Dust 8.2.1.1 Liquids Most petroleum products
Ngày tải lên: 20/06/2014, 17:20
Gas Station Construction and Maintenance, Petroleum systems Contractor Nevada and Arizona_9 pot
... measure the DP This is particularly critical with Type III systems where fuel from a varying number of pumps flows through multiple F/Ss In older systems where a 4542-liter-per-minute (1200-gallon-per-4542-liter-per-minute) ... for descriptions of sign locations, and MIL-STD-161F2, Identification Methods for Bulk Petroleum Products Systems Including Hydrocarbon Missile Fuels, for marking requirements FREQUENCY: Annually ... Cathodic Protection Systems Cathodic protection is maintained by the base cathodic protection technician or by service contract The LFM shop foreman will ensure the cathodic protection systems on the
Ngày tải lên: 20/06/2014, 17:20
Gas Station Construction and Maintenance, Petroleum systems Contractor Nevada and Arizona_10 ppt
... maintained 12.2 Contract Requirements Liquid fuel systems are different than mechanical systems The inexperienced tend to consider these systems the same as plumbing or industrial piping The ... meet or exceed the requirements of ANSI Z359, Safety Requirements for Personal Fall Arrest Systems, Subsystems, and Components Use only commercially manufactured fall and rescue equipment The ... water (if a small area), or shower and put on a fresh change of clothing Clothing contaminated by petroleum products should be kept away from any source of ignition because vapor given off by such
Ngày tải lên: 20/06/2014, 17:20
Maintenance of Petroleum Systems B Episode 1 pot
... Responsibilities 7 Chapter 2 PIPELINE SYSTEMS 2.1 On-Base Pipelines 11 2.2 Operating On-Base Petroleum Systems 11 2.3 Maintenance of On-Base Pipelines 11 2.4 Off-Base Pipeline Systems 13 2.5 General Pipeline ... revision _ This UFC supersedes AFM 85-16, Maintenance of Petroleum Systems Trang 3Civil Engineering MAINTENANCE OF PETROLEUM SYSTEMS COMPLIANCE WITH THIS PUBLICATION IS MANDATORY OPR: ... MAINTENANCE OF PETROLEUM SYSTEMS APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED Trang 2UNIFIED FACILITIES CRITERIA (UFC) OPERATION AND MAINTENANCE: MAINTENANCE OF PETROLEUM SYSTEMS Any
Ngày tải lên: 12/08/2014, 16:20
Maintenance of Petroleum Systems B Episode 4 pot
... per minute) Earlier systems were designed as large as 22,712 liters per minute (6000 gallons per minute), but large pipe sizes, low normal flows, and surge problems made these systems impractical ... drains, and the operating storage tank water draw-off system The Type III system has many components similar to those covered in the preceding chapters under the Type I and Type II systems The system ... aircraft through the LCP and into the designated defuel tank Hydraulic power for the pump comes from operating one engine at idling speed The defueling pump in the LCP is only used to evacuate the
Ngày tải lên: 12/08/2014, 16:20
Maintenance of Petroleum Systems B Episode 8 ppt
... measure the DP This is particularly critical with Type III systems where fuel from a varying number of pumps flows through multiple F/Ss In older systems where a 4542-liter-per-minute (1200-gallon-per-4542-liter-per-minute) ... for descriptions of sign locations, and MIL-STD-161F2, Identification Methods for Bulk Petroleum Products Systems Including Hydrocarbon Missile Fuels, for marking requirements FREQUENCY: Annually ... Cathodic Protection Systems Cathodic protection is maintained by the base cathodic protection technician or by service contract The LFM shop foreman will ensure the cathodic protection systems on the
Ngày tải lên: 12/08/2014, 16:20
Maintenance of Petroleum Systems B Episode 9 doc
... maintained 12.2 Contract Requirements Liquid fuel systems are different than mechanical systems The inexperienced tend to consider these systems the same as plumbing or industrial piping The ... meet or exceed the requirements of ANSI Z359, Safety Requirements for Personal Fall Arrest Systems, Subsystems, and Components Use only commercially manufactured fall and rescue equipment The ... water (if a small area), or shower and put on a fresh change of clothing Clothing contaminated by petroleum products should be kept away from any source of ignition because vapor given off by such
Ngày tải lên: 12/08/2014, 16:20
Maintenance of Petroleum Systems B Episode 10 doc
... designed for human occupancy Contamination Adding to a petroleum product some material not usually present, such as dirt, rust, water, or another petroleum product Corrosion An electrochemical action ... valve PCP Pump control panel PCV Pressure control valve PIT Pressure indicating transmitter POL Petroleum, oil, and lubricants PPCV Pantograph pressure control valve PPE Personal protective ... fuel system component that operates hydraulically using system or pneumatic pressure Barrel The petroleum industry uses forty-two gallons as the standard barrel Benzene A family of colorless,
Ngày tải lên: 12/08/2014, 16:20
Database reliability engineering designing and operating resilient database systems
... practice of shipping and maintaining qualitysystems and software It’s your implicit values as well as your explicitvalues, habits, tribal knowledge, reward systems Everybody fromtech support to product ... and some in startups As we approach and consider systems, it isworth thinking about what you would do on day one of taking onthe responsibility of operating a database system Do you have back‐ups? ... a focus on systems rather than services • Utilization, and static thresholds (aka symptoms) are moni‐tored more than customer facing metrics (Service level indica‐tors) • Different systems for
Ngày tải lên: 04/03/2019, 10:44
operating systems doc
... 1TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTrrrrrrrrr William Stallings Copyright 2008 ‘This document is an extract from Operating Systems: Internals and Design Principles, Sixth Edition Trang 22.8 LINUX History Linus started ... kemel code tnd data uses large pages for TLH efficiency Trang 496 CILAPTER 2 / OPERATING SySTEM OVERVIEW Fie systems networking devices are loadable! unloadable drivers (dynamic link libraries) ... vser-mode subsystems Native NT APIs are based on the general Kernel handlelobject aehitee- Extensive support for loading/unloading ‘ere! modules, suchas device drivers and filesystems ‘Moles
Ngày tải lên: 08/03/2014, 15:20
Operating System Concepts - Chapter 13: I/O Systems pptx
... Trang 1Chapter 13: I/O SystemsTrang 213.2 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Chapter 13: I/O Systems I/O Hardware Application ... Trang 313.3 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Objectives Explore the structure of an operating system’s I/O subsystem Discuss the principles ... Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005A Typical PC Bus Structure Trang 613.6 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th
Ngày tải lên: 28/06/2014, 02:20
Operating System Concepts - Chapter 20: Multimedia Systems pot
... Multimedia SystemsTrang 220.2 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Chapter 20: Multimedia Systems Trang 320.3 Silberschatz, Galvin and Gagne ©2005 Operating ... form Trang 1020.10 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Operating Systems Issues The operating system must guarantee the specific data rate ... ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Trang 1220.12 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005Requirement of Multimedia Operating
Ngày tải lên: 28/06/2014, 02:20
modern operating systems 2nd edition phần 1 doc
... 16 1.3 THE OPERATING SYSTEM ZOO 18 1.3.1 Mainframe Operating Systems 18 1.3.2 Server Operating Systems 19 1.3.3 Multiprocessor Operating Systems 19 1.3.4 Personal Computer Operating Systems 19 ... example mainframe operating system is OS/390 a descendant of OS/360. Trang 37SEC 1.3 THE OPERATING SYSTEM ZOO 19 1.3.2 Server Operating Systems One level down are the server operating systems They ... multimedia systems fall in ihis category VxWorks and QNX are well-known real-time operating systems, Trang 38 1.3.6 Embedded Operating Systems Continuing on down to smaller and smaller systems,
Ngày tải lên: 09/08/2014, 09:21
modern operating systems 2nd edition phần 2 potx
... of the work for this specific interrupt type (We assume the operating system is written in C the usual choice for all real operating systems.) When it has done its Job, possibly making some process ... Figure 2-5 Skeleton of what the Jowest level of the operating system does when an interrupt occurs. Trang 2 2.2 THREADS In traditional operating systems, each process has an address space and ä ... advantage is that a user-level threads package can be implemented on an operating system that does not support threads All operating systems used to fall into this category and even now some stil] do
Ngày tải lên: 09/08/2014, 09:21
modern operating systems 2nd edition phần 3 pps
... swapped in or (more likely} by hardware during program execution, Operating Operating Operating Operating Operating Operating Operating Figure 4-5 Memory atlocation changes as processes come ... the operating system copies the Trang 16 4.1.2 Multiprogramming with Fixed Partitions Except on stmple embedded systems, monoprogramming is hardly used any more Most modem systems ... remotely practical in reai systems Its matin function seems to be keeping otherwise unemployed graph theorists off the streets 3.9 SUMMARY Deadlock is a potential problem in any Operating system It
Ngày tải lên: 09/08/2014, 09:21
modern operating systems 2nd edition phần 4 ppt
... on the operating system and the parameters of the call Once it has the printer, the user process makes a system cail telling the operating system to print the string on the printer The operating ... delivered along with the device Stnce each operating system needs its own drivers device manufacturers commonly supply drivers for severa] popular Operating systems Each device driver normally handles ... or another However, since current operating systems expect drivers to run in the kernel, that 1s the modei we will consider here Since the designers of every operating system know that pieces
Ngày tải lên: 09/08/2014, 09:21
modern operating systems 2nd edition phần 5 pptx
... punched card was king, many (mainframe) operating systems based their file systems on files consisting of 80-character records in effect, card images These systems also supported files of 132-character ... managed by the operating system How they are structured, named, accessed, used, protected, and implemented are major topics in operating system design As a whole, that part of the operating system ... Modern operating systems do not make this distinction, All their files are automatically random access 6.1.5 File Attributes Every file has a name and its data In addition, ail operaling systems
Ngày tải lên: 09/08/2014, 09:21
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