Select the correct statement.
(A) Unit weight of dry soil is greater than unit weight of wet soil
(B) For dry soils, dry unit weight is less than total unit weight
(C) Unit weight of soil increases due to submergence in water
(D) Unit weight of soil decreases due to submergence in water

1 Answer

Answer :

Answer: Option D

Related questions

Description : Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) ... a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture

Last Answer : (A) Compaction has no effect on the structure of a soil

Description : Pick up the correct statement from the following: (A) The void ratio in soils is defined as the ratio of the volume of voids to the volume of solids (B) The bulk density of a soil is defined as the ... of a soil is defined as weight of solids to the total volume of the soil (D) All the above

Last Answer : Answer: Option D

Description : The capillary rise of water (A) Depends upon the force responsible (B) Increases as the size of the soil particles increases (C) Decreases as the size of the soil particles decreases (D) Is less in wet soil than in dry soil

Last Answer : (A) Depends upon the force responsible

Description : The disease of dry rot in timber is caused by (A) Lack of ventilation (B) Alternate wet and dry conditions (C) Complete submergence in water (D) None of the above

Last Answer : Answer: Option A

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 : Select the incorrect statement. (A) Effective cohesion of a soil can never have a negative value. (B) Effective angle of internal friction for coarse grained soils is rarely below 30°. (C ... (D) Effective angle of internal friction is a complicated function of mineralogy and clay size content.

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) A maximum value of dry density is obtained at optimum water content (B) At low value of water content most soils tend to be stiff (C) At high water content, the dry density decreases with an increase of water content (D) All the above

Last Answer : Answer: Option D

Description : In soils having same values of plasticity index, if liquid limit is increased, then (A) Compressibility and permeability decrease and dry strength increases (B) Compressibility, ... permeability and dry strength increase (D) Compressibility and permeability increase and dry strength decreases

Last Answer : Answer: Option D

Description : When the compaction energy increases the compaction of soils: (a) Both of OMC and maximum dry density decrease (b) Both of OMC and maximum dry density increase (c) OMC decreases but maximum dry density decrease (c) OMC increases but maximum dry density increase

Last Answer : (c) OMC decreases but maximum dry density decrease

Description : The consolidation time for soils (A) Increases with increasing compressibility (B) Decreases with increasing permeability (C) Increases rapidly with increasing size of soil mass (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The permeability of the coarse-grained soils may be reduced by grouting (B) The process of injecting fluids (i.e. grouts) into the pores space of the soil is called grouting (C) The grouting increases the soil strength (D) All the above

Last Answer : Answer: Option D

Description : Select the correct statement. (A) The greater the viscosity, the greater is permeability (B) The greater the unit weight, the greater is permeability (C) The greater the unit weight, the smaller is permeability (D) Unit weight does not affect permeability

Last Answer : Answer: Option B

Description : Consider the following statements: 1. The continental shelves of Lakshadweep are originated due to coral reefs. 2. The continental shelves of western coast are due to faulting and submergence. Which of the statement(s) given above is/ ... (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Last Answer : Ans: (c)

Description : The dry density of soil is a) Always greater than the saturated density b) Weight of soil solids per unit of total volume prior to drying* c) Total weight of soil solids per unit of its total volume d) Total weight of soil mass per unit of its total volume

Last Answer : b) Weight of soil solids per unit of total volume prior to drying*

Description : For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as (A) Dry of OMC and wet of OMC (B) Wet of OMC and dry of OMC (C) Wet of OMC and wet of OMC (D) Dry of OMC and dry of OMC where OMC is optimum moisture content

Last Answer : Answer: Option B

Description : Select the incorrect statement. (A) In a direct shear box test, the plane of shear failure is predetermined (B) Better control is achieved on the drainage of the soil in a triaxial compression ... compression test is uniform (D) Unconfined compression test can be carried out on all types of soils

Last Answer : Answer: Option D

Description : In case of grinding in a ball mill (A) Wet grinding achieves a finer product size than dry grinding (B) Its capacity decreases with increasing fineness of the products (C) Grinding cost and power requirement increases with increasing fineness of the products (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability (A) Increases by 25 % (B) Increases by 50 % (C) Increases by 33.3 % (D) Decreases by 33.3 %

Last Answer : (B) Increases by 50 %

Description : Which of the following statements regarding red soils of India is/are correct? 1. The colour of the soil is-red due to ferric oxide content. 2. Red soils are rich in lime, humous and potash. 3. They are porous and have friable ... OS2011] (a) 1 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3

Last Answer : Ans: (b)

Description : Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Last Answer : [ C ] Strength of concrete decreases as age increases

Description : Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio ( ... (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Last Answer : C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux

Description : Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs ... be compacted to a very high density as compared to fine grained soils (D) All the above

Last Answer : Answer: Option D

Description : Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Last Answer : (D) All the above

Description : Select the correct statement. (A) Coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay (B) Coefficient of compressibility of an over-consolidated clay ... (C) Coefficient of compressibility is constant for any clay (D) None of the above

Last Answer : Answer: Option A

Description : Select incorrect statement from the following [ A ] With passage of time, the strength of cement decreases [ B ] With passage of time, the strength of cement increases [ C ] After a period ... cement reduces to 50% [ D ] The concrete made with storage deteriorated cement; gains strength with time.

Last Answer : [ B ] With passage of time, the strength of cement increases

Description : Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is ... the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Last Answer : Answer: Option D

Description : Select the correct statement. (A) More the value of group index, less thickness of pavement will be required (B) More the value of CBR, greater thickness of pavement will be required (C) Minimum and maximum values of group index can be 0 and 20 respectively (D) All of the above

Last Answer : Answer: Option C

Description : Under which climatic conditions do the laterite soils develop ? (a) Wet tropical Climate (b) Hot and dry Climate (c) Cold temperature Climate (d) Mediterranean type of Climate

Last Answer : Ans: (a)

Description : Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity ... Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following:  (A) If ports are closed, the dry intake towers will not have any water  (B) Even if ports are closed, the wet intake tower will have water ... to reservoir level  (C) No buoyant force acts on wet intake towers  (D) All the above 

Last Answer : (D) All the above 

Description : Select the correct statement. (A) A uniform soil has more strength and stability than a nonuniform soil (B) A uniform soil has less strength and stability than a nonuniform soil (C) Uniformity ... (D) Uniformity coefficient of a poorly graded soil is more than that of a well graded soil

Last Answer : Answer: Option B

Description : Pick up the correct statement from the following: (A) The object of classifying soils is to arrange them into groups according to their properties and behaviour (B) A soil classification system is ... first category of soil classification is based on grain size of the soil (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The low voltage porcelain is prepared by wet process (B) The high voltage porcelain is prepared by dry process (C) The low voltage porcelain is prepared by dry process (D) None of the above

Last Answer : Answer: Option C

Description : Compressibility of sandy soils is (A) Almost equal to that of clayey soils (B) Much greater than that of clayey soils (C) Much less than that of clayey soils (D) None of the above

Last Answer : (C) Much less than that of clayey soils

Description : Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located ... water table is just at the base of the footing, no reduction factor is used (D) None of these

Last Answer : (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used

Description : Wet grinding in a revolving mill __________ as compared to dry grinding. (A) Gives less wear on chamber walls (B) Requires more energy (C) Increases capacity (D) Complicates handling of the product

Last Answer : (C) Increases capacity

Description : Coefficient of discharge of an ogee spillway (A) Depends on depth of approach and upstream slope (B) Depends on downstream apron interference and downstream submergence (C) Remains constant (D) Both (A) and (B

Last Answer : Answer: Option D

Description : Select the incorrect statement. Effective angle of shearing resistance (A) Increases as the size of particles increases (B) Increases as the soil gradation improves (C) Is limited to a maximum value of 45° (D) Is rarely more than 30° for fine grained soil

Last Answer : (C) Is limited to a maximum value of 45°

Description : Curved twisted blades are specially suited for m. Minimum tillage of trashy land at shallow depths n. Dried hard soils o. Cutting and pulverisation in wet sticky clay soil p. For operating on the sides of plant bed

Last Answer : p. For operating on the sides of plant bed

Description : shaped blades are best suited for i. Minimum tillage of trashy land at shallow depths j. Dried hard soils k. Cutting and pulverisation in wet sticky clay soil l. Working under normal field conditions

Last Answer : i. Minimum tillage of trashy land at shallow depths

Description : Hook type blades best suited for e. Minimum tillage of trashy land at shallow depths f. Dried hard soils g. Cutting and pulverisation especially in wet sticky clay soil h. Working under normal field conditions

Last Answer : f. Dried hard soils

Description : Buoyant force (A) For non-symmetrical bodies is not vertical (B) Depends on the depth of the submergence of the floating body (C) Depends on the weight of the floating body (D) None of these

Last Answer : (C) Depends on the weight of the floating body

Description : When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the (A) Partial pressure of water vapour is less than the total pressure (B) Humidity is < 100% & dew ... Dew point temperature of air has not reached & air is not saturated fully (D) Air is fully saturated

Last Answer : (D) Air is fully saturated

Description : The quantity of seepage of water through soils is proportional to (A) Coefficient of permeability of soil (B) Total head loss through the soil (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option D

Description : The black cotton soil (A) Undergoes volumetric changes (B) Swells excessively when wet (C) Shrinks excessively when dry (D) All the above

Last Answer : Answer: Option D

Description : Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -Geography

Last Answer : (a) Laterite soil. Two states where this soil is found are Karnataka and Orissa. (b) Two characteristics of red soil are : (i) It does not retain water as it is porous. (ii) It is ... of plant remains, animal manure and dead animals is called humus. It makes the soil fertile, porous and light.

Description : Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Last Answer : Name two states where this type of soil is found. (i) Laterite soil (ii) Orissa and Karnataka.

Description : Name the Soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Last Answer : Laterite Soil; Kerala and Karnataka.

Description : During percussion drilling (A) Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole (B) Caving or mixing of strata are caused in soft soils or ... The soil to a considerable depth below the bottom of the hole gets disturbed (D) All the above

Last Answer : Answer: Option D

Description : With the increase in the amount of compaction energy (A) Optimum water content increases but maximum dry density decreases (B) Optimum water content decreases but maximum dry density increases ( ... and maximum dry density increase (D) Both optimum water content and maximum dry density decrease

Last Answer : Answer: Option B