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Liquid steel contains initially 0.05 mass% P and this has to be reduced to 0.01 mass% using a basic slag. The equilibrium distribution ratio of P between slag and metal is $$Lp = \frac{{\left( {\% P} \right){\text{slag}}}}{{\left( {\% P} \right){\text{metal}}}}, = 80;$$     Assuming that in itially the slag does not contain any phosphorous (P), then the minimum weight of slag (ton) required per ton of steel is
In a batch process, the reaction takes place in the presence of an acid medium. The acid is drained from the reaction vessel at the rate of 15ml/s as a result of the density difference of the acid from the reacting component. To avoid wastage of acid, it is recycled to an acid tank which has 1000 L capacity. The acid drained from the reaction vessel, picks up 50 g/L solids from the reactor. Acid is fed once again to the process from acid tank. When the process is started, the acid is almost pure in the tank as a result of filtration. As the reaction proceeds, acid in the tank gets more and more contaminated with the solids. The concentration of the solids should not exceed 100 g/L from the process point of view. The batch time is 16h. Estimate whether the concentration of the solids will exceed 100g/L during the batch reaction.
Given the following Assertion 'A' and the Reason 'R'; the correct option is
Assertion A: Phosphorous removal in steel making is favoured by basic slag.
Reason R: Basic slag decreases the activity of P2O5 in the slag.
A, B, C, D, E and F are six people who like different cold drinks – Maaza, Pepsi, Coca-Cola, Sprite, Limca and Fanta (but not necessarily in the same order). Neither C nor E likes Fanta. B likes either Limca or Maaza. C does not like Pepsi. D neither likes Fanta nor Sprite. F likes Coca-Cola. C neither likes Sprite nor Limca. Which cold drink does E like?
Rita, Sarita, Shyam, Raj, Raman and Rahul are six different persons who are going to buy different mobiles – Nokia, Vivo, Oppo, Iphone, Jio and Xioami in different months – January to June (but not necessarily in the same order). Raj will buy Jio mobile but not in February. Sarita will neither buy Vivo mobile nor Nokia. One of the people will buy Oppo in March. Sarita will buy mobile just immediate after Raj. Rahul will buy mobile immediate before Raj. Rahul will neither buy Vivo, Oppo nor Nokia. Shyam will not buy Oppo but will buy mobile immediate after Raman. Raman will neither buy Nokia nor Iphone. Which of the following combination is not correct?
A, B, C, D and E are five different persons who work in different companies - HCL, IBM, Wipro, Dell and Convergys (but not necessarily in the same order). A and D do not work in Dell. C neither works in IBM nor in HCL. E works in Wipro. B neither works in Convergys nor in Dell. D neither works in Convergys nor in IBM? Which of the following combination is not correct?
The symbols @, ©, #, $ and ⋆ are used with the following meaning illustrated. X @ Y → X is not greater than Y, X © Y → X is neither smaller than nor equal to Y, X # Y → X is neither greater than nor smaller than Y, X $ Y → X is not smaller than Y, X * Y → X is neither equal to nor greater than Y. Statements: A # B $ C * D, C * E $ F, D * F, E @ J Conclusion: I. J © C II. F * J
A, B, C, D, E and F are six girls who use 6 different face wash – Pond’s, Lakme, Lotus, Garnier, Himalaya and Kaya (but not necessarily in the same order). They also like six different colours – Red, Blue, Brown, Peach, Black and White (also not necessarily in the same order. A and C do not like a Red colour. The girl who uses Lakme face wash likes Peach colour. The girl who likes White colour does not use Kaya nor Lotus face wash. B neither likes Peach nor Red colour. D does not like a Blue colour but uses a Lotus face wash. The girl who uses Pond’s face wash likes Red colour. C does not use Lakme face wash nor likes white colour. F neither uses Himalaya nor Kaya face wash but likes Brown colour. Who does use Himalaya’s face wash?
Each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet. S1 : He no longer dreamed of storms, nor of women, nor of great occurrences, nor of great fish, nor fights, nor contests of strength, nor of his wife.

S6 : He urinated outside the shack and then went up the road to wake the boy.

P : He never dreamed about the boy.

Q : He only dreamed of places and of the lions on the beach now.

R : He simply woke, looked out through the open door at the moon and unrolled his trousers and put them on.

S : They played like young cats in the dusk and he loved them as he loved the boy.

The correct sequence should be
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : The integrated steel plants in India would no longer have to depend on imports for continuous casting refractories.

Assumptions :
I. Continuous casting refractories are needed by India.
II. Continuous casting refractories are in demand.