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Articles 194791 - 194820 of 195775
Full-Text Articles in Engineering
Cost Of Engineering On Highway Projects, Walter John Shaffer
Cost Of Engineering On Highway Projects, Walter John Shaffer
Professional Degree Theses
"It is customary for highway departments to set up certain finances in addition to the contract price to take care of engineering and slight overruns in the contract quantities. Generally a certain percentage of the contract price is used. The Missouri Highway Commission follow the practice of setting up 10% of the contract price to finance the engineering, contingencies, and slight overruns. The term "engineering" as referred to in this paper consists of the salaries and incidental expenses of the project engineer and his assistants, project office rent, and transportation. It will be noted that the preliminary survey work, blue …
Efficient Management Of Highway Projects Under State Administration, From The Point Of View Of The Project Or Resident Engineer, Jean Paul Bryan
Efficient Management Of Highway Projects Under State Administration, From The Point Of View Of The Project Or Resident Engineer, Jean Paul Bryan
Professional Degree Theses
"Efficiency in any project is an admirable attribute. It is even more than admirable in an undertaking designed for the spending of the taxpayer's money in which the lack of this trait is so liable to be interpretated [sic] as graft. It is necessary. After some eight years of connection with highway construction, a familiarity with inefficiency in the management of high projects under state construction is sufficient excuse, we believe, to warrant a dissertation of the opportunities for the practice of efficiency by those in direct charge of these project - the Project Engineers or the Resident Engineers, as …
The Effect Of Preservatives On The Inflammability Of Wood, Merton Ira Signer
The Effect Of Preservatives On The Inflammability Of Wood, Merton Ira Signer
Professional Degree Theses
"It is the purpose of this thesis to present some data on the fire-resistance and inflammability of wood, treated with preservatives commonly used for mine timber"--Object of Thesis, page 3.
La MineríA En El Peru (Sinopsis Para El Año De 1929), Felipe B. Oré
La MineríA En El Peru (Sinopsis Para El Año De 1929), Felipe B. Oré
Professional Degree Theses
No abstract provided.
A Comparison Of Florida, Georgia And G-1 Kaolin As The Chief Clay Ingredient For A Sanitary Ware Casting Body, George Armour Sellers
A Comparison Of Florida, Georgia And G-1 Kaolin As The Chief Clay Ingredient For A Sanitary Ware Casting Body, George Armour Sellers
Bachelors Theses
"The purpose of this investigation, originally, was to determine the suitability of substituting G-1 kaolin for Florida kaolin in a sanitary ware casting body. It was later extended to embrace a comparative study of Florida, Georgia and G-1 kaolin as the chief clay ingredient in a sanitary ware casting body"--Introduction, Purpose of the Investigation, page 1.
A New Theory Of The Spalling Of Fireclay Products With Relation To Thermal Expansion, Robert Legrande Stone
A New Theory Of The Spalling Of Fireclay Products With Relation To Thermal Expansion, Robert Legrande Stone
Bachelors Theses
"There is one factor that is responsible for much of the failure of refractories in furnaces and other metallurgical processes and boilers, namely spalling. Many times this action has been the cause of roofs to cave in, side walls to slump, and bungs to fail. Consequently it is a factor that is of utmost importance. The erosion and slag effects are also of greatest importance to refractory stability. Spalling, as referred to refractories, is defined as the breaking or crushing of the unit due to thermal, mechanical, or structural stresses, presenting newly exposed surfaces of the residual mass. Taking the …
Foundations For Aquatic Oil Wells, Henry Emmett Gross
Foundations For Aquatic Oil Wells, Henry Emmett Gross
Professional Degree Theses
"During the past decade, man has found the courage to drill for oil at those forbidding locations which were made inaccessible by several feet of water. Some of the major fields of the world have been developed by this new manner of work, and others might have been added had the stage been set for the play. The most spectacular marine oil field development occurred along the Santa Barbara Coast of California from 1929 to 1931. It was the writer's good fortune to have been an assistant to Mr. Hans E. A. Gude, the field engineer of Pacific Western Oil …
Fuller's Earth In Southeast Missouri, Willard Farrar
Fuller's Earth In Southeast Missouri, Willard Farrar
Professional Degree Theses
"Recent work, (1933-34) in southeastern Missouri by the Missouri Geological Survey has shown that deposits of bleaching clay occur in the Porters Creek formation of Tertiary age. Various localities in Scott and Stoddard counties are described, in which favorable conditions for development exist. The method of testing the clay for bleaching power is treated briefly. Suggestions are offered in regard to prospecting, mining and milling"--Abstract, page 5.
A Survey Of A Sanitary Sewer System With Findings And Recommendations, Warren Roy Gettler
A Survey Of A Sanitary Sewer System With Findings And Recommendations, Warren Roy Gettler
Professional Degree Theses
"The object of the survey was: 1. To determine existing evils in the present system and make recommendations for their correction. 2. To create new sewer districts of the unsewered portions of the city and submit tenative [sic] estimates of quantities and costs"--page 2.
The Study And Solution Of A Corrosion Problem Induced By Air Conditioning, Frederick William Hoertel
The Study And Solution Of A Corrosion Problem Induced By Air Conditioning, Frederick William Hoertel
Professional Degree Theses
"A recent personal investigation conducted by the writer has disclosed the extremely interesting fact that almost every large air conditioning plant in operation in St. Louis is experiencing serious difficulty in operation due to corrosion of some component part. With the ever increasing number of installations of large air conditioning plants the problem of corrosion prevention is becoming one of major economic importance"--Introduction, page 7.
Problems In The Cement Industry, William Alonzo Mccanless
Problems In The Cement Industry, William Alonzo Mccanless
Professional Degree Theses
"The major problem of the cement companies is the matter of marketing the product in sufficient quantities and at a price which will return a profit; however, there are some other problems that are of great interest to the engineers, i.e., the interest in the economics of cement based largely on its effect on the cost of contemplated structures"--page 1.
The Equilibrium Relations Of Nickel Sulfide With Copper And Sodium Sulfides, Walter A. Hamilton
The Equilibrium Relations Of Nickel Sulfide With Copper And Sodium Sulfides, Walter A. Hamilton
Bachelors Theses and Reports, 1928 - 1970
The equilibrium relations of many of the metallic sulfides have long been a source of scientific and commercial interest, of particular interest, are the sulfides of nickel and copper, since the economic recovery of both of these useful metals, from their ores, involves the formation of a sulfide at some stage of the operations.
Effect Of Manganese And Arsenic Upon Current Efficiency In The Deposition Of Zinc From Zinc Sulphate Solution, Justin Kelly
Effect Of Manganese And Arsenic Upon Current Efficiency In The Deposition Of Zinc From Zinc Sulphate Solution, Justin Kelly
Bachelors Theses and Reports, 1928 - 1970
Throughout the entire experiment the electrolysis were conducted in an eight-hundred cubic centimeter beaker. An excellent circulation of the solution was assured by means of an electric stirrer, vigorous gas evolution from the anodes, and by means of a regulated feed-discharge system. By means of this balance, solution of the same impurity concentration as that of the electrolyte was fed in the cell just as fast as the discharge was syphoned out.
A Study Of The Effects Of Paraffin Wax Upon The Viscosities Of Lubricating Oils, Charles Leo William Hunze
A Study Of The Effects Of Paraffin Wax Upon The Viscosities Of Lubricating Oils, Charles Leo William Hunze
Masters Theses
"The determination of the mean molecular weight of oils and paraffin waxes may have significance as: (1) an important property from a purely research point of view; (2) a step towards structure determination; (3) a study of molecular association with viscosity, making possible the application of well established viscosity binary mixture formulas to oil blends and oil and paraffin wax blends; (4) an aid in the calculations of latent heats for refinery engineering purposes (see A.A. Ashworth's applications of this property); (5) a possible means for identifying bitumens of unknown origin, and determining the approximate proportion of each type in …
Test 222: John Deere A, Nebraska Tractor Test Lab
Test 222: John Deere A, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: John Deere A
TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear.
This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated.
BELT HORSEPOWER TESTS
TEST …
Test 221: Mccormick Deering Farmall F-20, Nebraska Tractor Test Lab
Test 221: Mccormick Deering Farmall F-20, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 226: Caterpiller Model 22, Nebraska Tractor Test Lab
Test 226: Caterpiller Model 22, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 228: Caterpiller Model 22, Nebraska Tractor Test Lab
Test 228: Caterpiller Model 22, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 223: Allis-Chalmers Model Wc, Nebraska Tractor Test Lab
Test 223: Allis-Chalmers Model Wc, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 227: Caterpiller Model R3, Nebraska Tractor Test Lab
Test 227: Caterpiller Model R3, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 224: Caterpiller Model R-5, Nebraska Tractor Test Lab
Test 224: Caterpiller Model R-5, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 229: Mccormick-Deering "W-12" (Kerosene), Nebraska Tractor Test Lab
Test 229: Mccormick-Deering "W-12" (Kerosene), Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 231: Mccormick-Deering "W-12" (Gasoline), Nebraska Tractor Test Lab
Test 231: Mccormick-Deering "W-12" (Gasoline), Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 225: Caterpiller Model R-2, Nebraska Tractor Test Lab
Test 225: Caterpiller Model R-2, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 230: Mccormick-Deering Tractractor "T-40" Diesel, Nebraska Tractor Test Lab
Test 230: Mccormick-Deering Tractractor "T-40" Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
The Photobromination Of Azobenzene, Oden Cass Garst
The Photobromination Of Azobenzene, Oden Cass Garst
Masters Theses
"The purpose of this thesis is to make a study of the photobromination of azobenzene. The effect of various variables has been studied. The factors considered were, temperature, frequency of light, and concentration. Information on photobrominations is of great scientific importance, as it opens up a comparatively new field of research, and also contributes further data which helps to establish the quantum theory, if indeed this theory is still in controversy"--Introduction, page 3.
A Study Of Five Commercial Electric Stoves, A. E. Baragar, Edna B. Snyder
A Study Of Five Commercial Electric Stoves, A. E. Baragar, Edna B. Snyder
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Five commercial electric stoves having major variations in types of surface units, in the construction, lining, and insulation of the oven, and in the retail price were studied to determine (1) the efficiency and time of heating of the various surface units, and (2) the merits of differently constructed ovens.
The Study Of Relief Map Construction And The Construction Of A Relief Map Of The Mt. Katahdin Area In Maine, Winston Churchill Robbins
The Study Of Relief Map Construction And The Construction Of A Relief Map Of The Mt. Katahdin Area In Maine, Winston Churchill Robbins
Electronic Theses and Dissertations
The project of the construction of a relief map of the Mt. Katahdin area is a step toward the construction of a relief map of the State, by serving to create added interest in such a project and to solve some of the technical problems. The Mt. Katahdin area was chosen for this project because topographical data was available for building a relief map of Maine’s most prominent topographic feature and because of the familiarity of the writer with this section.
Leaching Copper Minerals In The Butte District, Kenneth C. Bellows
Leaching Copper Minerals In The Butte District, Kenneth C. Bellows
Bachelors Theses and Reports, 1928 - 1970
The history of mining in Butte is woven about three of our principal metals. The gold placers first attracted the attention of miners in 1863, and reached their peak production in 1867. Silver was the second metal mined, and this operation required the erection of large mills with a consequent increase in mining activity that made the district a prominent producer. Although the presence of copper in the silver ore had been known, the credit for the first development of the copper veins is due Senator W. A. Clark. The original Colusa, Mining Chief, and Gambetta claims were developed to …
A Study Of Montana Bentonite, William P. Ryan
A Study Of Montana Bentonite, William P. Ryan
Bachelors Theses and Reports, 1928 - 1970
Research has been undertaken both under Government and private auspices in an endeavor to develop uses for bentonite. Perhaps, the work done to date has had only in consideration the possible industrial importance of bentonite. No simple, quick methods for the determination of the properties or qualities of any particular bentonite have been developed.
In an attempt to establish whether or not there is a means of making rapid simple determinations of the quality of Montana bentonitic clays, and in particular, with regard to the uses to which the clays may be suited. The problem also involves a study of …