Description : The clay mineral with the largest swelling and shrinkage characteristics is (A) Kaolinite (B) Illite (C) Montmorillonite (D) None of the above
Last Answer : Answer: Option C
Description : Pick up the correct statement from the following: (A) Illite bond is weaker than Kaolinite bond (B) Illite bond is stronger than montmorillonite bond (C) Illite does not swell when wet (D) All the above
Last Answer : Answer: Option D
Description : Which one of the following clay mineral has the highest CEC? (A) Vermiculite (B) Montmorillonite (C) Kaolinite (D) Illite
Last Answer : (A) Vermiculite
Description : non expanding type mineral is — a. Vermiculite b. Illite c. Kaolinite d. Montmorillonite
Last Answer : c. Kaolinite
Description : Which type of clay will adsorb more herbicide? a). Montmorillonite b). Illite c). Kaolinite d). b & c
Last Answer : a). Montmorillonite
Description : The clay soil mainly consists of (A) Kaolinite (B) Montmorillonite (C) Vermiculite (D) All the above
Last Answer : (D) All the above
Description : Black cotton soil is rich in a. Illite b. Kaolnite c. Montmorillonite d. Chlorite
Last Answer : c. Montmorillonite
Description : Pick up the in-correct statement from the following: The soils which contain montmorillonite minerals (A) Swell more when wet (B) Shrink more when dry (C) Possess high plasticity (D) Possess high coefficient of internal coefficient
Last Answer : (D) Possess high coefficient of internal coefficient
Description : Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil ... and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above
Description : Pick up the clay soil group which does not swell when wet from the following: (A) Kaolinite group (B) Mite group (C) Vermiculite group (D) Montrorillonite group
Last Answer : (B) Mite group
Description : Pick up the correct statement from the following: (A) Kaolinite is most stable clay (B) Kaolinite shows a very little sign of swelling on wetting (C) Kaolinite is also called China clay (D) All the above
Description : If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95
Last Answer : (D) 0.95
Description : The soil which contains finest grain particles, is (A) Coarse sand (B) Fine sand (C) Silt (D) Clay
Last Answer : (D) Clay
Description : The admixture of coarser particles like sand or silt to clay causes (A) Decrease in liquid limit and increase in plasticity index (B) Decrease in liquid limit and no change in plasticity index ... in both liquid limit and plasticity index (D) Increase in both liquid limit and plasticity index
Description : If is specific gravity of sand particles, is porosity, the critically hydraulic gradient (A) ic = (G + 1)/(1 - e) (B) ic = (G + 1)/(1 + e) (C) ic = (G - 1)/(1 + e) (D) ic = (G - 1)/(1 - e)
Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above
Description : Bulking of sand is (A) Mixing of different sizes of sand particles (B) Mixing of lime with sand (C) Maximum water with sand (D) Swelling of sand when wetted
Description : An excess of flaky particles in concrete aggregates (A) Decreases the workability (B) Increases the quantity of water and sand (C) More than 15% are not desirable (D) All the above
Description : Particles of 0.002 mm size are that of (A) Clay (B) Sand (C) Gravel (D) None of these
Last Answer : Answer: Option A
Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above
Description : Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly ... and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only
Last Answer : b) 2, 3 and 4 only
Description : Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica (A) Basalt and marble are the only metamorphic rocks (B) There is no sedimentary rock (C) Granite is the only igneous rock (D) Quartz and mica are minerals
Description : Kaolinite, Halloysite and Dickite are
Last Answer : Ans. 1:1 type silicate clay minerals
Description : Montmorillonite clays adsorb more herbicide as compared to other clays due to a). Expanding lattices b). more surface area c). More negatively charged sites d). All
Last Answer : d). All
Description : Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite
Description : Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite
Description : Sand stone is (A) Sedimentary rock (B) Metamorphic rock (C) Igneous rock (D) Volcanic rock
Description : For reinforced concrete, the aggregate used is (a) Sand (b) Gravel (c) Crushed rock (d) All of these
Last Answer : (d) All of these
Description : The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties
Last Answer : Ans: (b)
Description : The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties
Description : Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of ... makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals
Last Answer : Ans: (a)
Description : Which one of the following minerals is found in Monazite sand? (1) Potassium (2) Uranium (3) Thorium (4) Sodium
Last Answer : (3) Thorium Explanation: Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. There are actually at least four different kinds of monazite, depending on relative ... 5.0 to 5.5 and is relatively dense, about 4.6 to 5.7 g/ cm3.
Description : Which one of the following minerals is found in Monazite sand ? (1) Potassium (2) Uranium (3) Thorium (4) Sodium
Last Answer : Thorium
Description : In the froth floatation process for the purification of minerals the particles float because
Last Answer : In the froth floatation process for the purification of minerals the particles float because A. they ... by oil D. They bear an electrostatic charge.
Description : What is the change of rocks and minerals into smaller particles without a change in composition?
Last Answer : Need answer
Description : Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following ... A) Cresylic acid (B) Xanthaies (C) Pine oil (D) All 'a' 'b' & 'c'
Last Answer : (B) Xanthaies
Description : Which of the following is the correct order of increasing size of the grains of soil particles? 1. Clay 2. Silt 3. Sand 4. Gravel (a) BCDA (b) ABCD (c) DCBA (d) ADCB
Description : A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec
Last Answer : ANS: D
Description : A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is (A) 0.90 μm/s (B) 1 μm/s (C) 22.1 μm/s (D) 0.02 μm/s
Last Answer : (B) 1 μm/s
Description : The diameter of very fine sand particles is- (a) Below 0.002 mm (b) 0.05-0.002mm (c) 0.01-0.05 mm (d) 0.05-0.10mm
Last Answer : (c) 0.01-0.05 mm
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : Which rock system has the maximum concentration of minerals? -Do You Know?
Last Answer : answer:
Description : Do Chemical weathering occurs when the minerals in a rock react to water oxygen or acids in the environment.?
Description : When a rock forms by precipitation and aggregation of minerals from a solution, it is classified as a ________ sedimentary rock.?
Last Answer : Chemical sedimentary rocks form by precipitation of minerals from water. Precipitation is when dissolved materials come out of water. For example: Take a glass of water and pour some salt (halite) into it. The salt will dissolve into the water.
Description : Chemical weathering occurs when minerals in rocks are changed chemically. Which of these will most likely change the rate of chemical weathering on a rock?
Last Answer : rainfall and temperature
Description : Which of the following minerals is found in warcha, Bahadar Kail, Khark, Mirpur and Lasbela? A. Rock Salt B. Chromite C. Luni Stone D. China Clay
Last Answer : ANSWER: A
Description : Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks. Consumers A D C Uptake Run off Soil solution B A B ... minerals Detritus (c) Detritus Rock minerals Producers Litter fall (d) Producers Litter fall Rock minerals Detritus
Last Answer : (c) Detritus Rock minerals Producers Litter fall
Description : Minerals that forms from original component of rock are called as a. Secondary mineral b. Primary mineral c. Essential mineral d. None of these
Last Answer : b. Primary mineral
Description : A rock is (A)a naturally occurring, hard, solid substance (B) any hard, solid substance on earth (C)an aggregate of minerals (D)only produced by cooling of magma
Last Answer : an aggregate of minerals