Tài liệu Questions for revision - English for mechanical engineering ppt
Tài liệu Questions for revision - English for mechanical engineering ppt
... transformer, there will be no current in the secondary coil. 55.Unless there is a mixture of petrol and air in the cylinders, a petrol engine will not start 11 Questions for revision- English ... metal.……………… A. corrosion- resistant B. corrosion- resistance C. corrode-resistant D. corrode- resistance 58 Galvanic corrosion is the same as .corrosion.……………… A. chemical B. electron...
Ngày tải lên: 25/01/2014, 10:20
Questions for revision- English for mechanical engineering
... Questions for revision- English for mechanical engineering I. Tr¾c nghiÖm 1 Brass is an of copper and zinc.………………… A. alloy ... metal.……………… A. corrosion- resistant B. corrosion- resistance C. corrode-resistant D. corrode- resistance 58 Galvanic corrosion is the same as .corrosion.……………… A. chemical B. electronic C. mechanical D. ... system C. electromechanical system D. me...
Ngày tải lên: 26/04/2013, 16:25
Tài liệu Environmental Science (Specialized English for Environmental Courses) ppt
... between deforestation and climate change. Deforestation occurs at an alarming rate. Twenty-three percent of the earth's land surface is covered by tropical rainforest; however, these forests ... not remote 22. Forest trees can hold and store the water, therefore ……… a) many regions have been deforested for firewood. b) fooding during heavy rains can be minimized. c) deforestation occur...
Ngày tải lên: 19/02/2014, 14:20