Mechanical engineering

Ngày tải lên: 17/11/2012, 10:55

Ngày tải lên: 19/11/2012, 10:41

... shape B for shape C for shaping D both A & C 37 Levers.according to the relative positions of the load, the effort and the fulcrum A classify B is classified C are classified D classified 38 A force ... motion in engineering, they are rotary and .motion A linear B straight C reciprocating D circular 103A twisting force that produces torsion or rotary motion is A compressive force B tensi...

Ngày tải lên: 26/04/2013, 16:25

... technical translation, so it plays an important role in the development of Mechanical Engineering The thesis studies the English – Vietnamese translation of terms in the materials for Mechanical Engineering ... terms in materials for mechanical engineering Hopefully, the result of the study would be useful in technical translation e...

Ngày tải lên: 07/09/2013, 13:04

... distinguishing feature of robotics is its multidisciplinary nature — to successfully design robotic systems one must have a grasp of electrical, mechanical, industrial, and computer engineering, as well ... another breakthrough in robotics that will afford some levels of autonomy in unstructured environments On a practical level, robots are distinguished from other electromechanical mot...

Ngày tải lên: 06/11/2013, 09:15

... reserved Any use is subject to the Terms of Use as given at the website Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION MODERN POWER-PLANT CYCLES AND EQUIPMENT CYCLE ANALYSES 1.4 ... estimation of various frequencies Use the listing of C values shown below to determine the mode of vibration Note that C is a factor determined by the end conditions of the tu...

Ngày tải lên: 09/11/2013, 04:15

... (0.28 kg) of water per pound (kg) of dry air Since the water content of the air is a function of the partial pressures, (0.622) (0.5067) / [(2 ϫ 0.5067)] ϭ 0.673 lb of water per lb of dry air ... m2) of condensing surface, a circulating-water flow rate of 10,000 gal / (630.8 L / s), 3⁄4-in (1.9-cm) no 16 BWG tubes, a water flow rate of ft / s (2.1 m / s), external friction of...

Ngày tải lên: 09/11/2013, 04:15

... 155 Reprinted with permission from Machine Design, a Penton Media Inc publication shi20361_app_A.qxd 984 6/3/03 3:43 PM Page 984 Mechanical Engineering Design Table A–15 Charts of Theoretical Stress-Concentration ... 155 Reprinted with permission from Machine Design, a Penton Media Inc publication shi20361_app_A.qxd 986 6/3/03 3:43 PM Page 986 Mechanical Engineering Design Tab...

Ngày tải lên: 16/12/2013, 08:15

... (0.0283 cu m) of natural gas; 1300 cu ft of air (36.8 cu m) per gal (0.003785 cu m) of No fuel oil; 1450 cu ft of air (41 cu m) per gal of No fuel oil; 1500 cu ft of air (42.5 cu m) per gal of No fuel ... combustion of lb (0.45 kg) of coal ϭ sum of nitrogen and oxygen required ϭ 8.4228 ϩ 2.5444 ϭ 10.9672 lb (4.975 kg) of air per pound (kilogram) of coal burned Compute...

Ngày tải lên: 17/12/2013, 11:15

... lb of moisture per lb fuel burned; Ma ϭ lb of moisture per lb of dry air to furnace; Cb ϭ lb of carbon burned per lb of fuel burned ϭ C ϭ RCr; Cr ϭ lb of combustible per lb of refuse; R ϭ lb of ... Related Calculations Developing the performance characteristics of each piece of equipment as a function of load is the key to determining the mode of operation and loadin...

Ngày tải lên: 17/12/2013, 11:15

... output of the existing system is increased, as noted, because of increasing flow to the steam turbine’s condenser This increased output offsets the cost of interconnection to the boiler Related Calculations ... the number of tubes per pass Assume the heater has only one pass, and compute the number of tubes required Once the number of tubes is known, a decision can be made about...

Ngày tải lên: 17/12/2013, 11:15

... average heat of vaporization of 1000 Btu / lb (2330 kJ / kg) of steam, this exhaust gas flow could generate 8,880,000 / 1000 ϭ 8880 lb / h (4032 kg / h) of steam If oil with a heating value of 145,000 ... mid-rise of ce buildings Title 24 is a section of the State of California Administrative Code that deals with energy-conservation standards for construction applicable to of c...

Ngày tải lên: 17/12/2013, 11:15

... this handbook Once the required flow rate is determined, apply a suitable factor of safety The value of this factor of safety can vary from a low of percent of the required flow to a high of 50 ... Companies All rights reserved Any use is subject to the Terms of Use as given at the website Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION PUMPS AND PUMPI...

Ngày tải lên: 17/12/2013, 11:15

... surges result The amplitude of the pressure surge is a function of the rate of change in the velocity of the mass of fluid This procedure shows how to compute the amplitude of the pressure surge with ... stainless-steel pipes of different diameters, Fig 3, conveys 40 gal / (2.5 L / s) of water The length of each section of Downloaded from Digital Engineering Library @ McG...

Ngày tải lên: 17/12/2013, 11:15

... curve of a typical air motor Note how a built-in governor can change the shape of the curve by limiting the maximum speed of the air motor (Product Engineering) Downloaded from Digital Engineering ... (339.6 m3 / min) of air at a pressure of 14 lb / in2 (abs) (96.46 kPa) and a temperature of 60ЊF (15.6ЊC) Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitale...

Ngày tải lên: 17/12/2013, 11:15