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Consider the following statements with reference to the mixing of industrial waste water with domestic waste water: 1. The industrial waste water can be mixed with domestic water when it has higher BOD. 2. The industrial waste water can be mixed with domestic water when the pH value of industrial waste water is highly alkaline. Which of the above statements is/are correct?
Systems are invented to sterilize waste water. (Choose the right meaning of the brackets word)
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Which of the following type of waste water treatment process is used for treating waste water or industrial waste water using aeration and biological flocs?
Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in PET Bottle or Glass Water Bottles. Bottled water is comprehensively regulated by the U.S. Food and Drug Administration (FDA) as a packaged food product. By law, the FDA regulations for bottled water must be at least as stringent as the Environmental Protection Agency standards for tap water. What inference can be drawn from the above passage?
Which of the following landline telemetry systems are available? 1. Voltage telemetry systems 2. Current telemetry systems 3. Position telemetry systems 4. Resistive telemetry systems
Which of the following statements with regard to Almond's characterisation of political system are correct? (i) All political systems have political structures. (ii) All political systems do not perform the same functions. (iii) All political systems are not multi-functional. (iv) All political systems are mixed systems in the cultural sense. Choose the correct answer from the code given below :
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options. P: E-waste is valuable as a source of secondary raw material. Q: But it is also toxic if disposed of improperly. R: When we talk about recycling household and work place things, we tend to ignore or are less aware of how to deal with the electrical and electronic waste (sometimes called e-waste). S: Due to rapid technology change, obsolescent items have created a fast growing mass of electronic waste around the globe.
Average quantity of waste that is collected from a colony on Monday and Tuesday is 21 kg. and average quantity waste that is collected from Tuesday to Friday is 18 kg. If average quantity of waste that is collected on all the five days is 18 kg, then how much waste is collected on Tuesday?
Following the two statements below. And II label has two conclusions. Assuming that the statement information is correct, decide which of the information given in the statements follows logically and definitively. Statements: All eggs are waste. All waste is food. Conclusion I: Some food are waste. Conclusion II: Some waste are eggs.