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- resistantB. corrosion-resistanceC. corrode-resistant D. corrode- resistance58 Galvanic corrosion is the same as .corrosion.………………A. chemical B. electronic C. mechanical D. ... system C. electromechanical systemD. mechanical system109 Friction is sometimes a help it is a hindrance.……………A. but B. so C. therefore D. and110 Oil is used for bearing it is self-lubricating....

... Questions for revision- English for mechanical engineering I. Tr¾c nghiÖm1 Brass is an of copper and zinc.…………………A. alloy ... metal.………………A. corrosion- resistantB. corrosion-resistanceC. corrode-resistant D. corrode- resistance58 Galvanic corrosion is the same as .corrosion.………………A. chemical B. electronic C. mechanical D. ... system C. electromechanical systemD. mechanical system109 Friction is sometimes a help it is a hindrance.……………A. but B. so C. therefore D. and110 Oil is used for bearing it is self-lubricating....

... between deforestation and climate change.Deforestation occurs at an alarming rate. Twenty-three percentof the earth's land surface is covered by tropical rainforest;however, these forests ... not remote22. 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 occurs ... incinerationc) energy recoveryd) landfilling17. Deforestation is ……………… a) the prevention of forestb) the destruction of forestc) the plantingd) the delivery of forest18. Most of the industrial factories...