hydrogen transportation

There are 6 buses and 12 trucks in a transport company. If 2 buses and 4 trucks are sent for some work, find the fraction of buses and trucks that are not sent on any work. => 5 7 , 2 3 or 2 3 , 2 3 or 5 7 , 9 13 or None of the above..

Burning the petroleum products to run automotive transport vehicles is the main cause of air pollution. The main pollutants like SO 2 , CO, CO 2 are main gases being released into air due to transport vehicles. But, the extent of pollution due to transpo..

Transport facility created for the convenience of human beings is a great source of air pollution as all the transport vehicles burn some kind of fuels and emit dangerous gases. The extent of gases produced by an individual vehicle may be less. But, when large number of vehicles..

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