- Sedimentation
- Skimming off
- Chlorination
- Biological oxidation
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What will be the output class A{ static void method(){ System.out.println("Class A method"); } } class B extends A{ static void method(){ System.out.println("Class B method"); } } public class Test{ public static void main(String args[]){ A a = new B(); a.method(); } }?
Answer: Option 1 Overriding in Java simply means that the particular method would be called based on the run time type of the object and not on the compile time...
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What will be the output interface A{ public void method(); } class One{ public void method(){ System.out.println("Class One method"); } } class Two extends One implements A{ public void method(){ System.out.println("Class Two method"); } } public class Test extends Two{ public static void main(String[] args){ A a = new Two(); a.method(); } }?
Answer: Option 2 Let'
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In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)?
Answer: Option 1 Let'
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Statement : The meteorological department has issued a notification forecasting less rainfall during next year's monsoon. Courses of Action : I. The government should immediately set up a water authority for proper management of water resources. II. The water supply authorities should be asked to implement reduction in regular water supply to tackle the situation. III. The farmers should be advised to cultivate alternate crops which require less water during the coming months.?
Answer: Option 1 Getting the information well in advance clearly suggests that adequate water be saved for the crisis by proper management and moderate cuts in water supply. Cultivating alternate...
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Direction : Two statements I and II are given. These statement may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statements. Read both the statements and decide which of the following answer choice correctly depicts the relationship between these two statements. Mark answer : I. There is increase in water level of all the water tanks supplying drinking water to the city during the last fortnight. II. Most of the trains were cancelled last week due to water-logging on the tracks.?
Answer: Option 5 The problems discussed in both the statements are clearly the result of heavy downpour in the area.
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Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is?
Answer: Option 1 Let'
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Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas?
Answer: Option 3 Let'
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Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream?
Answer: Option 4 Let'
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Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method?
Answer: Option 4 Let'
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