Mechanical analysis of soil is estimated by

1 Answer

Answer :

 Ans. Stock’s law

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Description : The incisal guidance on the articulator is the:** A. Mechanical equivalent of horizontal and vertical overlap of upper and lower incisors B. Mechanical equivalent of the compensating curve C. Same as condylar guidance D. Estimated by the equation: Incisal guidance = 1/8 of condylar guidance

Last Answer : A. Mechanical equivalent of horizontal and vertical overlap of upper and lower incisors

Description : Explain laboratory procedure for mechanical sieve analysis of soil.

Last Answer : Laboratory Procedure for mechanical sieve Analysis Mechanical in laboratory 1) Dry sieve Analysis 2) Wet sieve analysis Apparatus required for test - i) Weighing balance accurate to 1g and 0.1g ... through the set of sieves. The material retained on each sieve is weighed and analysed

Description : Draw particle size distribution curve. Explain mechanical sieve analysis for grading of soil with a sketch.

Last Answer : Mechanical sieve analysis -The process of analyzing the particle size present in soil by using mechanical means, is known as mechanical sieve Analysis. By performing mechanical sieve analysis, a particle size ... c) Fine grained soil d) Coarse grained soil e) Uniformly graded soil

Description : Explain the mechanical sieve analysis test carried out on soil sample to classify it.

Last Answer : Procedure of mechanical sieve analysis test: 1. Initially keep the given soil sample in rapid moisture meter for 2-3 hours to get oven dried soil. Break the visible lumps present in soil using ... . Well graded soil, poorly graded soil, uniformly graded soil, fine grained soil, coarse grained soil.

Description : Using typical industry standards for estimating project time schedules, the estimated  analysis phase would be 10 person-months for a systems project where the planning phase was completed in 7.5 person-months.

Last Answer : Ans: True

Description : Using typical industry standards for estimating project time schedules, the estimated  analysis phase would be 25 person-months for a systems project where the planning phase was completed in 30 person-months.

Last Answer : Ans: False

Description : In time-series analysis, which source of variation can be estimated by the ratio-to-trend method? a) Cyclical b) Trend c) Seasonal d) Irregular

Last Answer : c) Seasonal

Description : Preliminary project report for a road project must contain (A) The detailed estimated cost based on detailed design (B) The several alternatives of the project that have been considered (C ... , traffic survey, concept design and approximate cost (D) The contract documents for inviting tenders

Last Answer : (C) The soil survey, traffic survey, concept design and approximate cost

Description : The porosity of a certain soil sample was found to be 80% and its specific gravity was 2:7; the critical hydraulic gradient will be estimated as (a) 0.34 (b) 0.92 (c) 1.0 (d) 1.5

Last Answer : (a) 0.34

Description : Explain with sketch mechanical sieve analysis.

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Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as

Last Answer : Ans. Biosphere

Description : The soil, air and seed borne disease of wheat

Last Answer : Ans. Kernal bunt (Neovossia indica)

Description : The soil borne disease of rice

Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)

Description : Nutrients absorbed by plants from soil solution are carried upward through the

Last Answer : Ans. Xylem

Description : The cause of most of the gaseous interchange in soil

Last Answer : Ans. Diffusion

Description : Which of the plant species can be suggested on saline soil?

Last Answer : Ans. Haloxylon salicornium (II) Biochemistry

Description : The crops prefer acidic soil

Last Answer : Ans. Rice, tea and potato

Description : Method used for the determination of lime requirement of an acid soil is

Last Answer : Ans. Shoemaker’s method

Description : The saline – alkali soil is also known as

Last Answer : Ans. Usar

Description : Alkaline soil is also called as

Last Answer : Ans. Solanetz and Black alkali

Description : Saline soil is also called as

Last Answer : Ans. Solan chalk and White alkali

Description : The soil, which have 8.5 indicates soil is

Last Answer : Ans. Alkaline

Description : Immobile element in soil is

Last Answer : Ans. Phosphorus

Description : In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by

Last Answer : Ans. BGA

Description : Conversion of soil nitrate into gaseous nitrogen is

Last Answer : Ans. Denitrification

Description : Conversion of NH4 to NO2 in soil is brought out by

Last Answer : Ans. Nitrosomonas

Description : Azatobactor can fixes atmospheric nitrogen/ha to the soil.

Last Answer : Ans. 20-30 kg

Description : Rhizobium fixes atmospheric nitrogen/ha to the soil

Last Answer : Ans. 50-100 kg

Description : The method used to determine available phosphorus from soil is

Last Answer : Ans. Olsen’s method

Description : The medium range of available N in soil

Last Answer : Ans. 280-560 kg/ha

Description : The phosphatic fertilizer suitable for acid soil

Last Answer : Ans. Bone meal (23-30%P2O5 )

Description : The fertilizer which destroys soil aggregates

Last Answer : Ans. Sodium nitrate

Description : A practice of turning un-decomposed fresh green plant tissue into the soil to improve fertility status and physical structure of the soil.

Last Answer : Ans. Green Manuring

Description : The capacity of the soil to produce plants under a specified programme of management and it is expressed in terms of yields

Last Answer : Ans. Soil Productivity

Description : The inherent capacity of the soil to supply nutrients to plants in adequate amount and in suitable proportions

Last Answer : Ans. Soil Fertility

Description : The most deficient micronutrient in the Indian soil is

Last Answer : Ans. Zn

Description : Red soil is red coloured due to

Last Answer : Ans. Ferric oxides

Description : Black soil shows black colour due to compound

Last Answer : Ans. Mn

Description : The soil deficient in nitrogen content

Last Answer : Ans. Black soil

Description : Black soil contains the clay mineral

Last Answer : Ans. Montmorillonite clay (2:1)

Description : Newly formed alluvial soil is called

Last Answer : Ans. Khadar

Description : The most important soil group of India

Last Answer : Ans. Alluvial Soils

Description : The soil having more than 30% organic matter is placed in

Last Answer : Ans. Histosol

Description : Black soil belongs the soil order

Last Answer : Ans. Vertisol

Description : The most dominant soil order of India

Last Answer : Ans. Entisol

Description : The smell of soil after fresh shower is due to

Last Answer : Ans. Actinomycetes.

Description : The C : N ratio of the soil are fairly constant between

Last Answer : Ans. 10 : 1 to 12 : 1

Description : The density of soil water is maximum at

Last Answer : Ans. 4°C

Description : The capacity of the soil to change its shape under moist conditions

Last Answer : Ans. Soil Plasticity