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Consider the following statements regarding removal of impurities from water: 1. Settleable solids are removed by filtration. 2. Volatile solids are removed through sedimentation. 3. Dissolved solids are removed through reverse osmosis. 4. Colloidal solids are removed by coagulation. Which of the above statements are correct?
How is the material removed in Electropolishing process?
Electropolishing cannot cover up which type of defects?
Which of the following are the work piece materials that can be machined using Electropolishing?
Which of these methods returns the string such that some characters which are specified to be removed from the end of strings are removed from string by mentioning the number of characters to be removed?
Which of the following come under the process parameters of the Electropolishing?
State whether the following statement is true or false regarding the applications of EP. “Using Electropolishing, deburring and breaking sharp edges can be done.”
State whether the following statement is true or false regarding EP process. “Electropolishing is same as electro plating.”
oil and kerosene are present in ratio of 5 : 7 in a liquid. Few litres of mixture of mixture are replaced with petrol. Ratio of oil : kerosene: petrol is 35 : 49 : 18 respectively. Amount of oil removed from mixture is 21 litres less than that of petrol added to the mixture. And amount of oil removed is 6 litres less than that of difference mentioned. Petrol is replacing the mixture removed hence; quantity of mixture is not changing. What is the difference between quantity of kerosene in old mixture and amount of oil in new mixture?
There are 6 numbers A, B, C, D, E, and F such that if A and B are removed, the average will increase by 4 and if C and D are removed, the average will decrease by 8. What will be the change in the average, if E and F are removed?