A textbook of machine design by r s KHURMI AND j k GUPTA
A textbook of machine design
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Tài liệu Báo cáo khoa học: "Evaluation of Machine Translations by Reading Comprehension Tests and Subjective Judgments" doc
... would appear likely to be of some use Summary and Conclusions Evaluation of the quality of machine translations by means of a test of reading comprehension and by judgments of sentence clarity, was ... translated by humans While tests of reading comprehension provide a more direct measure of the usefulness of translations than judgments of sentence clarity, the latter approach is simpler, and may ... DISCUSSION OF THE READING COMPREHENSION TESTS In considering the results of the reading comprehension tests, perhaps the most striking feature is the relatively small difference in the number of correct...
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Operation, Maintenance and Repair of Auxiliary Generators by U. S. Army and U. S. Navy potx
... Departments of the Army and the Navy TM 5-685/NAVFAC MO-912, Operation Maintenance and Repair of Auxiliary Generators, 26 August 1996” ;P ARMY T ECHNICAL MANUAL No 5-685 NAVY MANUAL No NAVFAC ... 5-685 NAVFAC MO-912 HEADQUARTERS DEPARTMENTS OF THE ARMY AND THE NAVY WASHINGTON, DC, 26 August 1996 OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS ,I Paragraph CHAPTER INTRODUCTION ... absorption of oils and solvents, and to promote cleanliness and ease of cleanup Plates and gratings covering floor trenches must be grounded Rubber matting should be installed in front of and around...
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Machine design by s k mondal
... are associated with the design of pins in bushed pin-type flexible coupling? [IES-1998] Bearing stress Bending stress Axial tensile stress Transverse shear stress Select the correct answer using ... the key is fare [IES-1995] (a) shear stress alone (b) bearing stress alone (c) both shear and bearing stresses (d) shearing, bearing and bending stresses 16 Ans (c) Key develops both shear and ... safe stress of weld in tension is greater than that in shear (d) fig II is better because it has less stress concentration 39 Ans (c) Figure II is better because the weld is in tension and safe stress...
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Handbook of Machine Design P48
... that you design 41.7.2 Three Positions of a Plane When three positions of a plane are specified by the location of line CD, as shown in Fig 41.9, it is possible to construct the center of a circle ... number of links (fixed link included) j = number of joints ft = /of /th joint K = integer = for plane, spherical, or particular spatial linkages = for most spatial linkages Since the majority of ... of links in a plane linkage are parallel, which leads to such special devices as the pantograph Considerable theory has evolved over the years about numerous aspects of linkages It is often of...
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Fundamentals of Machine Design P34
... that depends on the nature of joints Some representative values of C’s are tabulated in Table below Table Values of C for various types of joints Type of joint Value of C Metal to metal joint ... adequate load of variable magnitude Design of two important mechanical joints is discussed below, namely, bolted and welded joints Bolted joints with variable loading: Consider design of bolts to ... variable loading: Because of many intricacies involved in design of a welded joint, codes are extensively used to design such joint when it experiences variable loading The value of the maximum fluctuating...
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Handbook of Machine Design P50
... intelligently followed the cycle-profile procedure, a complete graphic portrayal of what should happen at any point in the cycle of operation of the machine is the result The designer should be able to ... of the many types of flow control valves in combination with one of the basic methods of flow control described previously Another approach takes advantage of the throttling characteristics of ... pump starts to move off stroke to reduce displacement The slope of the curve of this decreasing displacement can be controlled by the design of the compensator Thus, the designer can specify...
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Handbook of Machine Design P49
... analysis in designing open-loop circuits and dynamic load analysis in designing closed-loop systems The cycle profile1 is the recommended technique for displaying the results of machine- cycle-load ... first step is to analyze the machine cycle This analysis turns out to be a timeand-motion study of the operation of the machine If an actual study is not available to the designer, she or he must ... diagrams of machine operations across the top of the sequence plot simplify the communication problem when one is trying to convey the meaning of the plot to persons other than the design group...
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Handbook of Machine Design P1
... Much of the design work done is in a small part of one of the feedback or feedforward portions of the chart and thus is evolutionary Rarely will an individual designer start at the beginning of ... characteristic of the pro- TABLE 1.11 Elements of a Decision-Making Model Alternative courses of action States of nature: The environment of operation of the decision model The designer has very ... would be the design of a rigging system using wire rope to lift loads of 10 tons maximum The designer could preliminarily specify a design factor of 5, which would be the ratio of the wire rope...
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Handbook of Machine Design P52
... incorporated in the design of machinery either by treating the sources of machine noise or by altering the structureborne and/or airborne paths of this noise This section contains a discussion of these ... fields in the vicinity of a noise source frequency of the sound, the dimensions of the source, and the phase relations of the various radiating parts of the source As a rule of thumb, the near field ... levels of hydraulic pumps Other Mechanical Components Machines are made up of a large variety of mechanical components and mechanisms, each of which should be considered from the perspective of source...
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Handbook of Machine Design P51
... shallow tacked at rate of 10 mpy; commerdepths of Pacific off Panama Canal cial grade often corrodes at 100 Single phase brasses, silicon and times this rate, largely because of phosphor bronzes ... attack rate of the more active metal and decreases that of the less active metal An adverse area ratio is characterized by having a larger surface area of less active metal than that of the more ... attacked and plating or deposition of the less active one would occur This is based on the fact that solutions contain only unit activity (concentration) of ions of each of the two metals The standard...
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Handbook of Machine Design P3
... Validity of mathematical models used to represent reality Intensity of stress concentrations Influence of time on strength and geometry Effect of corrosion • Effect of wear • Length of any list of ... magnitude, but in the pattern of variation Evidence gathered by measurement in pursuit of uniqueness of magnitude was really a mix of systematic and random effects It is the role of statistics to enable ... are lognormal, then the design factor n = S/a is lognormally distributed, since quotients of lognormal variates are also lognormal The coefficient of variation of the design factor n can be approximated...
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