- Mulching
- Contour barriers
- Rockdam
- Terrace Farming
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Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?
Answer: Option 1 Fourier's law of heat conduction is k. A. (dT/dx) where Q = Amount of heat flow through the body in unit time, A = Surface area of heat...
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The method of soil conservation in the coastal and dry regions where rows of trees are planted to check the wind movement to protect soil cover is called?
Answer: Option 4 Shelter belts are arrangement of trees in coastal, dry region to prevent soil erosion. The roots of trees bind the soil and prevent the removal of top...
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If Football is called Cricket, Cricket is called Basketball, Basketball is called Badminton, Badminton is called Volleyball, Volleyball is called Hockey and Hockey is called Golf, then which of the following games is not played using a ball?
Answer: Option 1 Badminton is played without any ball and in the question Badminton is called Volleyball.
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The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is?
Answer: Option 1 Let'
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In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?
Answer: Option 2 Let'
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Which of the following are true with respect to sedimentary rocks I. The rocks are deposited in layers II. The particles of rocks are at times wholly of organic nature III. The rocks are not crystalline IV. Their structure is determined by great pressure or heat?
Answer: Option 1 The following that are true with respect to sedimentary rocks are that the rocks are deposited in layers, the particles of rocks are at times wholly of...
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Carbonaceous rocks which produce coal and of belong to the category of rocks called?
Answer: Option 3 Carbonaceous rocks which produce coal and of belong to the category of rocks called Sedimentary rocks. Carbonaceous rocks are a type of the sedimentary rocks formed by...
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Which of the following are the components of loamy soils I. Red soil II. Clay soil III. Alluvial soil IV. Silt soil V. Sandy soil?
Answer: Option 3 Clay soil and Sandy soil are component of Loamy soil. Loamy soil is a mixture of sand, clay and another type of soil particle known as silt.
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The method of soil conservation in which stones grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
Answer: Option 2 The process of forming contour strips with the help of stones, grass and soil which intercept the downslope flowing of water is done to prevent soil erosion...
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The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?
Answer: Option 2 The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash...
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