Description : Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite
Last Answer : Answer: Option D
Description : The Euler's equation for the motion of liquids is based upon the assumption that (A) The fluid is non - viscous, homogeneous and incompressible (B) The velocity of flow is uniform over the section (C) The flow is continuous, steady and along the stream line (D) All of the above
Description : Non-uniform compaction may cause the concrete (A) Porous (B) Non-homogeneous (C) Reduced strength (D) All the above
Description : Asbestos (A) Is a natural fibrous mineral substance (B) Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) (C) Contains iron oxide and alumina (D) All the above
Description : Which rock consists of a single mineral only ? -SST 10th
Last Answer : Limestone consists of a single mineral only.
Description : Which rock consists of single mineral only? -SST 10th
Description : Slate (A) Is a metamorphic rock (B) Splits into thin sheets along its bedding planes (C) Has a smooth surface and contains alumina and silica (D) Possesses good water absorption capacity
Last Answer : Answer: Option A
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 : State the difference between a mineral and a rock. -SST 10th
Last Answer : Mineral: A mineral is a homogeneous naturally occurring substance with a definable internal structure. For example: Limestone, cuprite, etc. Rock: A rock is an aggregate of different minerals. For example: The rock granite contains the minerals—quartz, feldspar and mica.
Description : When the percentage of a felsic mineral in a rock increases what will the color of the rock become?
Last Answer : Need answer
Description : If the cost of separating a mineral from waste rock becomes too great the mineral may no longer be classified as an ore. This happens because?
Last Answer : Feel Free to Answer
Description : Is quartz a mineral or a rock mineral rock Submit?
Last Answer : mineral
Description : How do you distinguish a rock from a mineral?
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 mineral is used in the making of high speed machines? A. Rock Salt B. Chromite C. China Clay D. Lunic Stone
Last Answer : ANSWER: D
Description : Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum
Last Answer : ANSWER: C
Description : (3) reflection of light due to the presence of free electrons Explanation: Lustre (or luster) is the way light interacts with the surface of a crystal, rock, or mineral. The word ... conductivity, and high density. Typically they are malleable and ductile, deforming -under stress without cleaving.
Last Answer : Cloud is a colloidal dispersion of – (1) Air in a dispersion medium of water (2) Fog in a dispersion medium of water (3) Mist in a dispersion medium of air (4) Water drops in a dispersion medium of air
Description : Rock salt is a mineral containing – (1) potassium (2) magnesium (3) sodium (4) iron
Last Answer : (3) sodium Explanation: Halite, commonly known as rock salt, is the mineral form of sodium chloride (NaCl). Halite forms isometric crystals. It commonly occurs with other evaporite deposit minerals such as several of the sulfates, halides, and borates.
Description : Which kind of rock is formed from a change due to pressure and heat? a) Mineral b) Igneous c) Sedimentary d) Metamorphic
Last Answer : d) Metamorphic
Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite
Last Answer : ANSWER: W -- FELDSPAR
Description : Rock salt is a mineral containing (1) potassium (2) magnesium (3) sodium (4) iron
Last Answer : sodium
Description : The materials which have the same elastic properties in all directions, are called (A) Isotropic (B) Brittle (C) Homogeneous (D) Hard
Last Answer : (A) Isotropic
Description : Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption (A) The aquifer is homogeneous, isotropic and of infinite depth and area (B) The well is sunk ... (C) The flow lines are radial and horizontal, and the flow is laminar (D) All the above
Last Answer : (D) All the above
Description : The ratio of lateral strain to axial strain of a homogeneous material, is known (A) Yield ratio (B) Hooke's ratio (C) Poisson's ratio (D) Plastic ratio
Last Answer : (C) Poisson's ratio
Description : The assumption in the theory of bending of beams is: (A) Material is homogeneous (B) Material is isotropic (C) Young's modulus is same in tension as well as in compression (D) All the above
Description : A reinforced concrete beam is assumed to be made of (A) Homogeneous material (B) Heterogeneous material (C) Isotropic material (D) None of these
Last Answer : (B) Heterogeneous material
Description : Pick up the correct assumption of the theory of simple bending (A) The value of the Young's modulus is the same in tension as well as in compression (B) Transverse section of a beam remains ... bending (C) The material of the beam is homogeneous and isotropic (D) All the above
Description : For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is ... 24 10-3 m3 /sec (C) 6 10-5 m3 /sec (D) 24 10-5 m3 /sec
Last Answer : (D) 24 × 10-5 m3 /sec
Description : Darcy's law is applicable to seepage if a soil is (A) Homogeneous (B) Isotropic (C) Incompressible (D) All the above
Description : Coulomb's wedge theory assumes that (A) Back fill is dry, cohesionless, homogeneous and isotropic (B) Slip surface is the plane which passes through the heel of the wall (C) Position and direction of the resultant earth pressure are known (D) All the above
Description : Terzaghi's analysis assumes: (A) Soil is homogeneous and isotropic (B) Elastic zone has straight boundaries inclined at = to the horizontal and plastic zones fully developed (C) Failure zones do not extend above the horizontal plane through the base of the footing (D) All the above
Description : In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, ... gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular
Last Answer : Option A
Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above
Description : An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted ... A) Fresnel reflection (B) Fresnel refraction (C) Snell's law (D) None of these
Description : While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : Answer: Option C
Description : A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is (A) 2/3 (B) 5/4 (C) 4/5 (D) 8/7
Description : Pick up the incorrect statement from the following: (A) At two meteorologically homogeneous stations, the average annual precipitation is same (B) If the average annual precipitation at two places is same these are ... homogeneous stations (C) Neither (a) nor (b) (D) Both (a) and (b)
Last Answer : Answer: Option B
Description : the derivation of Thiem's formula, Q = (S1 - S2)/[2.3 log10( / )] the following assumption is not applicable (A) The aquifer is homogeneous and isotropic (B) Flow lines are radial and ... the water surface is too small (D) The well has been sunk up to the surface of the unconfined aquifer
Description : The workability of concrete is defined as the (a) Ease with which it can be mixed, transported and placed in position in a homogeneous state. (b) Bearing up of cohesion in a mass concrete. (c) Separation of water from the freshly mixed concrete. (d) None of these.
Last Answer : (a) Ease with which it can be mixed, transported and placed in position in a homogeneous state.
Description : In homogeneous coordinates value of ‘h’ is consider as 1 & it is called….. a.Magnitude Vector b.Unit Vector c.Non-Zero Vector d.Non-Zero Scalar Factor
Last Answer : d.Non-Zero Scalar Factor
Description : Non homogeneous equation line vector
Last Answer : Y"y'= log2,where y'=dy÷dx
Description : In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous
Last Answer : (C) Catalytic homogenous
Description : __________ catalytic reaction is involved in the thermal cracking of gas oil. (A) Homogeneous (B) Non-Homogeneous (C) Heterogeneous (D) Non-Heterogeneous
Last Answer : (A) Homogeneous
Description : The mineral monazite is a rich source of thorium, available in large quantity in kerala. A typical monazite sample contains 9% `ThO_(2)` and 0.35% `U_
Last Answer : The mineral monazite is a rich source of thorium, available in large quantity in kerala. A typical monazite sample ... B. 0.266 C. 0.366 D. 0.466
Description : Statement-I : All the ores are mineral Statement-II : Most of the ores contains metals in combined state
Last Answer : Statement-I : All the ores are mineral Statement-II : Most of the ores contains metals in combined state