Q1.Which Nomenclature is used for grading of non-coking coal ? (a) Alphabetical (b) Numerical (c) Apha-Numeric (d) Roman Q2.What is the basis for grading of Non-coking coal ? (a) Ash (b) Moisture (c) Calorific Value (d) All of the above Q3.Which is the methodology for gradation of Non-coking coal ? (a) UHV (b) GCV (c) Both (d) None Q4.Calorific value of coal means ? (a) Burning power of coal (b) Heating power of coal (b) Heat evolved by burning 1Kg coal (d) None of the above. Q5.UHV stands for ………… (a) Ultimate Heat Value (b) Useful Heat Value (c) Uniform Heat Value (d) Unilateral Heat Value Q6.The Empirical formula to derive UHV is ? (a) 8,900-138x(A+M) (b) 9,200-138x(M+A) (c) 8,900-140(A+M) (d) 7,70,-139(A+M) Q7.What is the disadvantage of UHV based coal gradation ? (a) Very easy to derive (b) It is not correct (c) It is formula based & not give correct value (d) All of the above Q8. Which of the following is the descending order of gradation of Non-coking c...