Crawford p e william h (51 resultados)

Soft cover. Condición: Very Good. ORIGINAL PUBLICATION; Softcover; ex-corporate library; in very good condition. Book.

Hardcover. Condición: Good. First Edition. Hardcover. No DJ. Ex-College Library with usual library stamping/filing sticker on spine and card folder on inside cover. Pages are clean and unmarked. Covers show light edge wear. Binding is tight, hinges strong.; 100% Satisfaction Guaranteed! Ships same or next business day.…

Soft cover. Condición: Good. 1st Edition. Edge and corner wear with some chipping; no interior markings. Cover art by Alva Rogers. This anthology contains: The Garden of Fear by Robert E. Howard; Celephais by H. P. Lovecraft; The Golden Bough by David H. Keller; The Man with the Hour Glass by Lloyd Arthur Eshbach; and Mars Colonizes by Miles J. Breuer. Size: 12mo. Alva Rogers; (ilustrador). Book.…

Hardcover. Condición: Fine. Estado de la sobrecubierta: Fine. 1st Edition. 1st ed., 2nd printing ; ix, 310 pages ; 24 cm ISBN 9780760739549, 0760739544 OCLC 54409153 ; brown abd maroon cloth in color illustrated dustjacket ; Visions of Ghost Armies introduces you to a side of war you might never have imagined possible. In more than one hundred true stories--reported by eyewitnesses and sometimes verified by the media--you will read eerie and haunting accounts of spirit soldiers and armies of the night who still fight battles decades to centuries after their wars have ended. ; "From the files of FATE magazine." ; FINE/FINE. Book.…

Condición: As New. Unread book in perfect condition.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

Condición: As New. Unread book in perfect condition.

Condición: New.

Taschenbuch. Condición: Neu. Neuware - MASTER RESIDENTIAL DUCT DESIGN, SIZING, AND AIRFLOW WITH CONFIDENCE>Residential Duct Systems Handbook is a practical field guide to understanding, designing, sizing, installing, evaluating, and troubleshooting residential duct systems. It takes you beyond isolated duct-sizing formulas and shows how the major parts of residential HVAC design work together. UNDERSTAND THE COMPLETE HVAC DESIGN PROCESSLearn how Manual J, Manual S, Manual D, and Manual T connect to form a complete residential HVAC design process. Understand how load calculations influence equipment selection, how equipment requirements determine airflow, how duct design delivers that airflow, and how registers and grilles distribute conditioned air throughout the home. INSIDE THIS HANDBOOK, YOU WILL LEARN HOW TO: - Understand airflow, CFM, velocity, pressure, friction, and resistance in residential duct systems- Connect Manual J, S, D, and T and understand how load, equipment, ducts, and air distribution depend on one another- Size supply and return ducts using practical design principles- Understand static pressure, friction rate, pressure losses, and system resistance- Account for fittings, transitions, elbows, branches, and equivalent resistance- Work with rigid and flexible ducts and understand installation practices that affect performance- Plan supply and return air distribution for more consistent comfort- Understand residential zoning and its effect on airflow and system performance- Apply practical methods for routing, supporting, sealing, insulating, and installing ductwork- Identify common causes of poor airflow, excessive noise, uneven temperatures, and high system resistance- Evaluate system performance and approach testing, balancing, and troubleshooting more systematicallyA PRACTICAL FIELD REFERENCE>From load requirements and equipment selection to duct sizing, airflow distribution, installation, and system performance, this book helps you see the complete picture and make better ductwork decisions.If you want to develop a stronger practical understanding of residential duct systems and the principles that make them perform properly, this handbook is built for you.…

Taschenbuch. Condición: Neu. Neuware - When The Line Goes Down, Guesswork Gets ExpensiveThe motor will not start. The overload keeps tripping. Production is stopped, and everyone in the plant is looking at you.Most books leave you stranded at exactly this moment. They give theory without the arithmetic, or procedures without the reasoning behind them. So you swap parts, hope something works, and learn nothing you can use on the next fault.A Guide That Shows Its WorkFive parts and twenty-one chapters take you from safe isolation to a running drive, and every step is checkable. Calculations are worked in full with units tracked. Code requirements are identified by article so you can verify them yourself. Worked examples, practice problems, key terms and reference tables run throughout.What You Will Be Able To Do- Make equipment safe before you touch it, and verify it rather than assume it- Read an incident-energy warning label and select protection that matches the real exposure- Size conductors, protective devices and overload protection for a complete motor branch circuit- Decode a motor nameplate and match it to torque behaviour, design characteristics and load- Trace ladder logic, seal-in circuits, interlocks and multiple control stations, and find the break- Choose a starting method that suits the load, and apply speed control where it genuinely fits- Work a fault from reported symptom to root cause with a repeatable, instrument-based methodCoverage At A GlanceHazard control and safe isolation; current, voltage, resistance and power; direct and alternating current behaviour; magnetism and induction; three-phase systems; conductors, insulation and ampacity; voltage drop; wiring methods and enclosure ratings; overcurrent protection; grounding and bonding; fault current and coordination; motor types and nameplates; motor circuit sizing; control devices and ladder diagrams; starting methods; controllers and ladder logic; adjustable-speed drives; test instruments and systematic fault-finding.Written For>Build the understanding that holds up when the panel is live and the plant is waiting. Get your copy, work the examples with a calculator in hand, and start troubleshooting with reasons instead of guesses.…

Taschenbuch. Condición: Neu. Neuware - Air conditioning work and commercial refrigeration share the same cycle, the same refrigerants and the same gauges. Everything else is different: the operating temperatures, the duty cycle, the controls standing between the thermostat and the compressor, the necessity of defrost, and the cost of being wrong. A comfort system that underperforms makes a building uncomfortable. A refrigeration system that underperforms destroys inventory overnight, quietly, while nobody is watching the box temperature. The system is also tightly coupled, which is what makes it hard. An undercharge and a restricted liquid line both read low on suction. Worn compressor valves and a fouled condenser both run hot. Reading one measurement in isolation produces confident, wrong conclusions. But because the effects propagate predictably, a small set of readings taken together forms a signature, and different faults produce different signatures.That is what this handbook teaches.- Read suction pressure, discharge pressure, superheat and subcooling as one coupled pattern, not four separate numbers- Predict what a healthy system should read under the current load and ambient, then measure against your prediction- Separate faults that share a symptom using compression ratio, condenser split and evaporator temperature difference- Set superheat on a zeotropic blend, where glide changes what the pressure is telling you- Trace a fault through a live ladder circuit, series safeties and parallel operating controls- Evacuate to a genuine vacuum, confirm it with a decay test, and charge by the method the system calls for- Calculate transmission, infiltration and product load, then reconcile it with what the system is actually doingSixteen chapters run from cycle thermodynamics and refrigerant properties through compressors, condensers, evaporators, metering devices, piping and oil return, electrical fundamentals, motors and drives, control circuits, defrost and safety controls, load calculation, service practice, systematic troubleshooting and commissioning. Each states its objectives, derives the theory step by step, and closes with worked examples and verified practice problems. Six appendices carry conversions, an equation reference, the field reading set, diagnostic quick-reference tables and blank service forms.>Open it at the troubleshooting chapter on your next call and work the reading set before you touch a component.…

Taschenbuch. Condición: Neu. Neuware - Commercial and Industrial Wiring Handbook is a practical reference for understanding how commercial and industrial electrical systems are planned, installed, tested, maintained, and troubleshot in real working environments.Moving beyond basic wiring theory, this handbook connects electrical principles with the decisions electricians, technicians, engineers, inspectors, and maintenance professionals face on actual projects. It explains how power moves from the service entrance through distribution equipment, feeders, transformers, panelboards, branch circuits, motor systems, and specialized installations.Inside, you will learn how to: - Perform practical load calculations and apply demand factors for commercial and industrial installations.- Select conductors, cables, raceways, and protective devices based on system requirements and code considerations.- Understand overcurrent protection, voltage drop, grounding, bonding, and circuit protection.- Read single-line diagrams, schematics, panel schedules, wiring diagrams, and other common electrical documents.- Work with conduit systems including EMT, IMC, RMC, PVC, and cable tray applications.- Understand transformers, switchboards, panelboards, feeders, branch circuits, and power distribution systems.- Wire and troubleshoot motors, motor starters, contactors, overload protection, VFDs, and control circuits.- Apply grounding and bonding principles to improve electrical safety and system performance.- Understand testing and commissioning procedures used to verify electrical installations before they are placed into service.- Approach troubleshooting in a logical, practical way to locate faults and restore equipment safely.- Recognize important requirements for electrical work in commercial facilities, industrial plants, workshops, and other complex environments.- Build a stronger working understanding of electrical code requirements and how they affect installation decisions.Whether you are an apprentice developing practical skills, a journeyman electrician expanding into larger projects, a master electrician reviewing complex systems, an electrical engineer, inspector, maintenance technician, or student preparing for professional work, this handbook is designed to give you a clearer understanding of commercial and industrial wiring from planning to troubleshooting.With practical explanations, field-focused guidance, and a strong emphasis on safe and reliable installation, Commercial and Industrial Wiring Handbook is built to be a useful reference you can return to throughout your electrical career. …

Taschenbuch. Condición: Neu. Neuware - Do inverter mini split systems become difficult to diagnose when sensors, circuit boards, communication signals, variable-speed compressors, and fault codes are involved Do you want to understand how the indoor unit, outdoor unit, inverter drive, sensors, controls, compressor, and refrigerant circuit work together in a real ductless HVAC system Inverter Mini Split Operation and Service Procedures Handbook is a practical field guide for technicians, installers, maintenance professionals, HVAC students, and anyone developing skills in modern ductless HVAC systems. It connects the technical principles of inverter technology with practical installation, operation, troubleshooting, repair, and maintenance.Inside This Handbook, You Will Learn How To: - Understand inverter mini split operation and how it differs from conventional fixed-speed systems- Identify major indoor and outdoor components, system configurations, and installation considerations- Understand compressors, inverter drives, sensors, fan motors, expansion devices, reversing valves, and control boards- Follow electrical operation, including power supply, rectification, DC bus operation, and inverter-controlled compressor speed- Understand control logic, communication signals, sensor feedback, protection functions, and system responses- Follow refrigerant flow during cooling, heating, and defrost operation- Relate pressure, temperature, superheat, subcooling, and system performance- Understand startup, compressor modulation, fan control, defrost, protective functions, and shutdown sequences- Troubleshoot electrical, refrigerant, communication, control, airflow, drainage, and performance problems- Perform practical inspection, testing, repair, commissioning, and preventive maintenance proceduresA Practical Field Guide for HVAC TechniciansThis handbook brings refrigeration, electrical systems, electronics, control logic, diagnostics, repair, and maintenance together in one practical reference.Instead of simply identifying individual components, you will learn how the different parts interact and how to approach system problems logically. Whether you are building your HVAC foundation, improving installation skills, performing service work, or strengthening your diagnostic ability, this guide provides practical knowledge you can apply in the field.Build your understanding of modern inverter mini split systems and develop a more systematic approach to installation, troubleshooting, repair, and maintenance. Get your copy today and take your inverter mini split knowledge to the next level. …

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Taschenbuch. Condición: Neu. Neuware - The Field Reference for Managers Who Manage Engineers, and Were Never Taught MEP.A ceiling conflict caught on a drawing costs a redline. The same conflict caught after ductwork, sprinkler mains, and cable tray are already installed costs three trades, two weeks, and a change order.Most construction managers are never formally taught mechanical, electrical, and plumbing systems. They are still held responsible for them: the submittals, the coordination meetings, the inspections, the budget. The gap is not engineering knowledge. It is the ability to read what the engineer designed, recognise what the subcontractor is actually installing, and see a conflict coming before it is built.This handbook closes that gap. It builds coordination judgment, not design capability. Equations appear only where a construction manager genuinely needs to sanity-check a submitted number.- Read mechanical, electrical, plumbing, fire protection, and controls drawings with confidence- Trace an air-side system from unit to diffuser, and a one-line diagram from service to branch panel- Recognise the field defects that most often fail an inspection, and prepare for the walkthrough- Sequence rough-in across trades so systems can be installed in the order their geometry requires- Run coordination and clash detection meetings that resolve conflicts instead of logging them- Evaluate cost proposals and challenge a change order on technical grounds- Know when a field question is yours to answer and when it must go to the engineer of recordTwenty-one chapters, in three parts. Part I: reading drawings, specifications, and submittals, and handling site utilities before they set the schedule. Part II: HVAC, power distribution, emergency and standby systems, plumbing, fire protection, building automation, and specialty scope including elevators and low-voltage systems. Part III: coordination and clash detection, trade sequencing, commissioning, inspections and permitting, change orders and cost control, closeout and warranty, and the energy trends reshaping design.Every chapter opens with learning objectives and closes with practice problems that test judgment rather than calculation. Case applications trace real failures back to the decision that caused them.For construction managers, project managers, superintendents, field engineers, owner's representatives, and construction management students responsible for MEP scope without an engineering background.Stop being surprised by MEP scope. Open the book and start reading the job the way the coordination meeting demands.…

Taschenbuch. Condición: Neu. Neuware - Stop Guessing at the Gauges>A Suction Pressure Is Not a Number on a Chart>What This Handbook Gives You>You Will Be Able To- Read superheat and subcooling together to separate undercharge, restriction, airflow and compressor faults- Plot a real cycle from field measurements and read its distortions as evidence- Split a load into sensible and latent halves, then size ducts and select equipment that handle both- Design piping for pressure drop, velocity and oil return, then evacuate, charge and verify the charge- Commission a system properly, from pre-functional checks through balancing to documented handover- Work with mildly flammable refrigerants where they change charge limits, piping and service practice- Confirm a diagnosis before acting, and find the root cause instead of the failed partBuilt to Be Used, Not Just Read>Written ForDesign and application engineers, service engineers, senior technicians, facilities engineers, instructors, and upper-level students with an introductory thermodynamics background.Turn measurements into deductions. Open this handbook and start reading systems the way they actually behave.…

Taschenbuch. Condición: Neu. Neuware - You Learned the Theory. Nobody Taught You the Building.>Thermodynamics, heat transfer, and circuit theory are taught as separate subjects, each of them rigorously. Then a real building arrives and refuses to announce which subject it belongs to. Students discover that no course prepared them to coordinate. Practising engineers, fluent inside one discipline, must work alongside three whose governing logic they were never taught. The book moves from foundations, to equipment, to distribution, to integration. Every equation is derived or its origin explained. Every variable carries its units. Every worked example states its data, assumptions, and objective, then tracks units line by line to a boxed answer, and the practice problems that follow are answerable from the chapter itself.What You Will Be Able To Do- Calculate design heating and cooling loads, and understand why cooling load is not instantaneous heat gain- Select boilers, chillers, air handlers, pumps, and heat rejection on performance rather than catalogue habit- Size ducts and pipes, and find the true operating point where the fan or pump curve meets the system curve- Apply ventilation and filtration requirements, control pressure relationships, and size energy recovery- Size services, feeders, transformers, generators, and transfer equipment, with grounding and arc-flash clearances respected- Design lighting by the lumen method and judge quality, not illuminance alone- Write control sequences, then verify through commissioning that the installation performs as designed- Separate what is established, what is estimated, and what remains professional judgementChapters run in dependency order and each states its prerequisites, so the book works read straight through or opened at one problem. Behind them sit consolidated design data, a notation appendix, a glossary, a full answer key, and an index. Who It Is For>Open it at the chapter your current project needs, and start building the judgement that holds all four disciplines together.…

Taschenbuch. Condición: Neu. Neuware - The drawings were complete. The submittals were approved. The equipment arrived on time. And the building still does not work.A duct sealed to the wrong pressure class. A trap vented in a way that empties it. Four trades in one ceiling cavity until one of them becomes uninstallable. Each looks acceptable the day it goes in, and declares itself months later, after the ceiling is closed and the cost of correction has multiplied.Design literature explains sizing. Code documents and installation manuals are authoritative within narrow lanes. Between them sits the work that decides whether a building functions: turning drawings into installed, tested, operating systems. That territory belongs to the site engineer, and it has been documented far less thoroughly than it deserves.What You Will Be Able to Do- Read a drawing set for what it requires, not what it appears to show- Judge whether a submitted product genuinely satisfies the specification- Resolve trade conflict using clearance envelopes and tolerance accumulation- Diagnose a starved terminal, a cavitating pump or a broken trap seal from field evidence- Verify sprinkler spacing, working space, voltage drop, grounding and energisation readiness- Read a balancing report critically and recognise what must be true before a system is completeBuilt for the Jobsite>Who It Is Written ForSite and field engineers, superintendents, building services coordinators, quality control and commissioning personnel, inspectors, and engineering graduates entering their first field assignment.Open it before your next above-ceiling walk, and start reading installed work the way an engineer who knows what to look for reads it.…

Hardcover. Condición: New.

Condición: New. Print on Demand.

Condición: New. Print on Demand.

Paperback. Condición: new. Paperback. Air conditioning work and commercial refrigeration share the same cycle, the same refrigerants and the same gauges. Everything else is different: the operating temperatures, the duty cycle, the controls standing between the thermostat and the compressor, the necessity of defrost, and the cost of being wrong. A comfort system that underperforms makes a building uncomfortable. A refrigeration system that underperforms destroys inventory overnight, quietly, while nobody is watching the box temperature. The system is also tightly coupled, which is what makes it hard. An undercharge and a restricted liquid line both read low on suction. Worn compressor valves and a fouled condenser both run hot. Reading one measurement in isolation produces confident, wrong conclusions. But because the effects propagate predictably, a small set of readings taken together forms a signature, and different faults produce different signatures.That is what this handbook teaches.Read suction pressure, discharge pressure, superheat and subcooling as one coupled pattern, not four separate numbersPredict what a healthy system should read under the current load and ambient, then measure against your predictionSeparate faults that share a symptom using compression ratio, condenser split and evaporator temperature differenceSet superheat on a zeotropic blend, where glide changes what the pressure is telling youTrace a fault through a live ladder circuit, series safeties and parallel operating controlsEvacuate to a genuine vacuum, confirm it with a decay test, and charge by the method the system calls forCalculate transmission, infiltration and product load, then reconcile it with what the system is actually doingSixteen chapters run from cycle thermodynamics and refrigerant properties through compressors, condensers, evaporators, metering devices, piping and oil return, electrical fundamentals, motors and drives, control circuits, defrost and safety controls, load calculation, service practice, systematic troubleshooting and commissioning. Each states its objectives, derives the theory step by step, and closes with worked examples and verified practice problems. Six appendices carry conversions, an equation reference, the field reading set, diagnostic quick-reference tables and blank service forms.Written for air conditioning technicians moving into commercial refrigeration, along with apprentices, journeymen, service contractors, facility maintenance staff and HVACR students working on walk-ins, reach-ins, display cases and rack systems. Open it at the troubleshooting chapter on your next call and work the reading set before you touch a component. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…