Description : Saltation is a process of _____ erosion a. Water b. Wind c. Both a & b d. None of these
Last Answer : b. Wind
Description : The removal of top soil by water or wind is called (1) Soil wash (2) Soil erosion (3) Soil creep (4) Silting of soil
Last Answer : (2) Soil erosion
Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above
Last Answer : Answer: Option D
Description : What are the major constraint for Dryland farming. a. Wind Erosion b. Water Erosion c. Sheet Erosion d. Both Wind and Water erosion
Last Answer : d. Both Wind and Water erosion
Description : Vinaya while playing in garden observed a pond with a green coloured covering which was floating on the surface of water?
Last Answer : Vinaya while playing in garden observed a pond with a green coloured covering which was floating on the ... same. What her teacher must have told her?
Description : Slow and progressive deformation of a material with time under constant stress is called (A) Creep (B) Erosion (C) Resilience (D) None of these
Last Answer : (A) Creep
Description : The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is A. Vs = 418 (Gs – Gw) d [(3T + 70)/100] B. Vs = 418 (Gs – Gw)d² [(3T + 70)/100] C. Vs = 218 (Gs – Gw)d² [(3T + 70)/100] D. Vs = 218 (Gs – Gw)d [(3T + 70)/100]
Last Answer : ANS: B
Description : Stoke's law is valid only if the size of particle is (A) Less than 0.0002 mm (B) Greater than 0.2 mm (C) Between 0.2 mm and 0.0002 mm (D) All of the above
Last Answer : Answer: Option C
Description : Give one difference between the following: (i) Khadar soil and Bangar soil. (ii) Sheet erosion and Wind erosion. -Geography
Last Answer : Bhangar Khadar (1) It belongs to Old alluvium. It belongs to New alluvium. (2) It is less fertile It is more fertile (3) It is non porous, claying and loamy. It is calcareous clay. (4) It is ... 1) It occurs in desert areas. (2) Agent of denudation is running water (2) Agent of denudation is wind.
Description : Which one of the following forces leads to maximum soil erosion in plains? (a) Wind (b) Glacier (c) Running water (d) Earthquake
Last Answer : Which one of the following forces leads to maximum soil erosion in plains? (a) Wind (b) Glacier (c) Running water (d) Earthquake
Description : About 50-75% of soil erosion by wind is carried out by
Last Answer : Ans.Saltation
Description : What are the types of soil movement in the process of wind erosion?
Last Answer : Ans.Saltation, Suspension and Surface creep
Description : Wind Erosion will be higher from? a. Clay Soil b. Sandy Soil c. A barren sandy soil d. Loam Soil e. None of these
Last Answer : c. A barren sandy soil
Description : Permissible creep in track is m. 50 mm n. 100 mm o. 125 mm p. 150 mm.*
Last Answer : p. 150 mm.*
Description : A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index ... in the suspension is (A) 0.1 (B) 0.4 (C) 0.6 (D) None of these
Last Answer : (C) 0.6
Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.
Last Answer : (d) blue and red light.
Description : The processes of ............ and .........go on simultaneously and generally there is a balance between the two ? (a) Denudation and erosion (b) Soil formation and erosion (c) Soil formation and denudation (d) Climatic conditions and soil erosion
Last Answer : (b) Soil formation and erosion
Description : The term soil impoverishment relates to which one of the following? a. Soil erosion b. Soil deposition c. Soil getting very deficient in plant nutrients d. Soil getting enriched with plant nutrients
Last Answer : c. Soil getting very deficient in plant nutrients
Description : Increasing human population put pressure on the natural resources such as land, soil, water, fossil fuels etc. IT causes - I. Soil erosion II. Salinization of soils III. Desertification IV. Eutrophication a. I and II b. I, II and III c. III and IV d. I, II, III and IV
Last Answer : d. I, II, III and IV
Description : Which of the following is not an advantage of weeds? a. A Controls Soil Erosion b. B Expedites water flow in irrigation canals c. C Maintain Soil Fertility d. D Used as fodder
Last Answer : b. B Expedites water flow in irrigation canals
Description : Uniform precipitation having water droplets size less than 0.5 mm is called as a. Rain b. Drizzle c. Snow d. Hail
Last Answer : b. Drizzle
Description : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir
Last Answer : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it ... . D. If both Assertion & Reason are false.
Description : What is a “saltation velocity” and how is it used in designing pneumatic conveying systems?
Last Answer : The saltation velocity is defined as the actual gas velocity (in a horizontal pipe run) at which the particles of a homogeneous solid flow will start to fall out of the gas stream. In designing, the ... 2.5 while the factor could be as high as five for course particles such as soybeans could.
Description : 27. A ‘single step-large mutation’ is known as ... b) Branching descent b) Natural Selection c) Saltation d) Gene Migration
Last Answer : c) Saltation
Description : 7. A ‘single step-large mutation’ is known as ... a) Branching descent b) Natural Selection c) Saltation d) Gene Migration
Description : According to Hugo de Vries, the mechanism of evolution is :- (1) Multiple step mutations (2) Saltation (3) Phenotypic variations (4) Minor mutations
Last Answer : (2) Saltation
Description : The saltation of sand grains refers to the sand grains: w) being coated with salt x) moving in jumps and bounces y) moving in a steady stream z) being cemented together
Last Answer : ANSWER: X -- MOVING IN JUMPS AND BOUNCES
Description : If particle size is reduced then total surface area will be — a. Decreased b. Constant c. Increased d. None of these
Last Answer : c. Increased
Description : In which region drainage erosion is more observed ?
Last Answer : Drain erosion is more observed in hilly areas.
Description : When the nurse observes that the patient's systolic blood pressure is less than 80-90 mm Hg, respirations are rapid and shallow, heart rate is over 150 beats per minute, and ... d) Irreversible In refractory or irreversible shock, the patient requires complete mechanical and pharmacologic support.
Last Answer : a) Compensatory In compensatory shock, the patient’s blood pressure is normal, respirations are above 20, and heart rate is above 100 but below 150.
Description : Stoke's law does not hold good if the size of particle is smaller than (A) 0.0002 mm (B) 0.002 mm (C) 0.02 mm (D) 0.2 mm
Last Answer : (A) 0.0002 mm
Description : Soils in the Mahanadi delta are less fertile than those in the Godavari delta because of: (A) erosion of top soils by annual floods (B) inundation of land by sea water (C) traditional agriculture practices (D) the derivation of alluvial soil from red-soil hinterland
Last Answer : Answer: A The Mahanadi was notorious for its devastating floods for much of recorded history. Thus it was called 'the sorrow of Orissa'. However the construction of the Hirakud Dam has greatly ... matter of great concern. Indiscriminate damming along the river has been cited as an obvious reason.
Description : Plant quarantine method is useful only when pathogen is — a. Wind borne b. Seed transmitted c. Soil inhabitant d. Vector transmissible
Last Answer : b. Seed transmitted
Description : Which exchange-rate system involves a leaning against the wind strategy in which short-term fluctuations in exchange rates are reduced without adhering to any particular exchange rate over the ... pegged exchange rates C. Managed floating exchange rates D. Freely floating exchange rates
Last Answer : C. Managed floating exchange rates
Description : hich exchange-rate system involves a leaning against the wind strategy in which short-term fluctuations in exchange rates are reduced without adhering to any particular exchange rate over ... Adjustable pegged exchange rates C. Managed floating exchange rates D. Freely floating exchange rates
Description : In Dry farming, what is the annual rainfall (in mm) available? a. A Less than 550 mm b. B Less than 500 mm c. C Less than 950 mm d. D Less than 750 mm
Last Answer : d. D Less than 750 mm
Description : A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesion-less soil under an intensity of loading of 0.2 N/ram². The settlement of a prototype shallow footing 1 m square under the same intensity of ... (A) 15 mm (B) Between 15 mm and 25 mm (C) 25 mm (D) Greater than 25 mm
Last Answer : Answer: Option B
Description : The most common reason for schedule and cost overruns that surface after the project is underway is scope creep.
Last Answer : Ans: True
Description : Tumbling is the process of improving the __________ of the materials/parts. (A) Surface finish (B) Fatigue limit (C) Creep limit (D) Surface cleanliness
Last Answer : Option D
Description : The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called (A) Segregation (B) Bleeding (C) Bulking (D) Creep
Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle ... fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s
Last Answer : (B) 16 mm/s
Description : Piping in a soil mass is a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit* b) Caused due to very low exit gradient c) ... connected pores d) Due to loss of the strength of cohesion less soil because of upward flow of of water
Last Answer : a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit*
Description : What is the advantage of composite over silicate resin: A. Less shrinkage B. Less surface erosion C. Less water absorption D. All of the above
Last Answer : D. All of the above
Description : Direct measurement of permeability of the specimen at any stage of loading can be made (A) Only in fixed ring type consolidometer (B) Only in floating ring type consolidometer (C) Both (A) and (B) (D) None of the above
Last Answer : Answer: Option A
Description : Which is not the main feature of DEC Alpha: a. 64 Bit RISC processor b. Designed to replace 32 VAX(CISC) c. Seven stage split integer/floating point pipeline d. Variable Instruction length
Last Answer : d. Variable Instruction length
Description : How does erosion by wind take place? -SST 10th
Last Answer : Sometimes in dry areas, dust and silt may be lifted and carried to a great distance by the wind. This is known as Wind erosion.
Description : Name a part of India where Wind is the main agent of erosion. -SST 10th
Last Answer : (i) Thar Desert, western Rajasthan and south Punjab. (ii) In hilly regions such as the Himalayas, hills of North-east India and the Nilgiris.
Description : What is the answer plantings of vegetation to slow wind erosion called?
Last Answer : What is the answer ?
Description : What is plantings of vegetation to slow wind erosion called?
Description : Wind erosion is common in (a) desert (b) cold areas (c) areas where there is thick vegetation (d) areas of heavy rainfall
Last Answer : Ans: (a)