A) acidic/alkaline water B) energy with which water is held in the soil C) decomposition of molecules caused by the absorption of light D) smog produced by the action of sunlight on the pollutants. Ans : (B)
A) less than that of a proton as well as a deuteron B) more than that of a proton as well as deuteron C) less than that of a proton and more than that of a deuteron D) greater than that of a proton and less than that of a deuteron. Ans : (D)
A) an insulation material B) same as lignite C) a low ash containing coal D) none of the above. Ans : (A)
A) 4 to 6 percent B) 10 to 15 percent C) 16 to 20 percent D) 20 to 30 percent. Ans : (A)
A) low ash content lignite B) same as peat C) anthracite coal, small in size D) none of the above. Ans : (C)
A) refrigerants B) bitumens C) radioactive minerals D) lignites. Ans : (B)
A) orsat analysis B) ultimate analysis C) proximate analysis D) none of the above. Ans : (C)
A) 15 % B) 35 % C) 50 % D) 70 %. Ans : (D)
A) salt water B) miscible liquids C) low vapour pressure liquids D) low boiling point liquids. Ans : (A)
A) wind energy is converted into electrical energy B) geothermal energy is converted into electrical energy C) neutron energy is converted into thermal energy D) solar energy is utilized through photosynthesis. Ans : (D)
A) regulator B) shield C) moderator D) fuel. Ans : (C)
A) from ammonia B) from earth’s surface usually alongwith crude C) as by product from petroleum refining D) as by product from blast furnace. Ans : (B)
A) Bunker oil B) Diesel oil C) Kerosene oil D) Gasoline. Ans : (A)
A) Cadmium B) Chromium C) Sodium D) Mercury. Ans : (C)
A) petroleum B) sugarcane C) vinyl acetate D) methyl alcohol. Ans : (A)
A) Semi bituminous B) Bituminous C) Lignite D) Anthracite. Ans : (C)