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Which of these centrifugal pumps has the higher specific speed than others? इनमें किस अपकेन्द्री पम्प का विशिष्ट गति अन्य के अपेक्षा उच्चतर होता है?

एक टॉवर के शीर्ष के, भूमि पर टॉवर के आधार से क्रमश: 32 मी० और 18 मी० की दूरी पर एक सीधी रेखा पर स्थित दो बिंदुओं से बनने वाले उन्नयन कोण पूरक हैं। टॉवर की ऊँचाई (मी० में) ज्ञात कीजिए।

‘नदी कोश भर टेढ़ी है’ - का संस्कृत-अनुवाद होगा

यदि A+E = B+D, A+B> C+E, A+D = 2B तथा C+E>B+D हो तो निम्नलिखित में से कौन सा वाक्य सही होगा?

हाल ही भारतीय सेना के लिए अपाचे अटैक हेलीकॉप्टरों की पहली खेप किस देश से मिली है?

सबसे छोटी अभाज्य संख्या और (0 को छोड़कर) किसी भी पूर्ण संख्या का गुणनफल क्या होगा?

Directions : (Q. Nos. 116-120) Read the passage given below and answer the question that follow by selecting the correct/most appropriate options. Where does all our garbage disappear once it leaves our homes? There are four methods of managing waste: recycling, landfilling, composting and burning. Each method has its strengths and weaknesses. Recycling is the process of turning waste into new materials. For example, used paper can be turned into paperboard, which can be used to make book covers. Recycling can reduce pollution, save materials and lower energy use. Some argue that collecting, processing and converting waste uses more than it saves. Landfilling is the oldest method of managing waste. Landfilling is to bury garbage in a hole. Over a period of time the process of landfilling has advanced. Garbage is compacted before it is thrown into the pit. In this way garbage can fit in each landfill. Large garbage bags are placed at the bottom of a landfill, so that toxic garbage juice does not get into the groundwater. But in spite of the bags, landfills may pollute the underground water. Not to mention that all garbage stinks. Nobody wants to live next to a landfill. As landfill space increases, interest in composting grows. Composting is when people pile up organic matter such as food waste and allow it to decompose. The product of his decomposition is compost. Compost can be added to the soil to make the soil richer and better for growing crops. One thing that is easier to do is burning garbage. There are two main ways to burn waste. The first is to harvest fuel from the waste. The second is to burn the waste directly, the heat from this burning process can boil water, which can power steam generators. Unfortunately, burning garbage pollutes the air. Garbage recycling