... 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...
... 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...
... 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...