The coefficient of curvature for a well graded soil, must be between
(A) 0.5 to 1.0
(B) 1.0 to 3.0
(C) 3.0 to 4.0
(D) 4.0 to 5.0

1 Answer

Answer :

(B) 1.0 to 3.0

Related questions

Description : Which of the following statements is correct? (A) Uniformity coefficient represents the shape of the particle size distribution curve. (B) For a well graded soil, both uniformity coefficient and coefficient of ... if it has most of the particles of about the same size (D) None of the above

Last Answer : Answer: Option D

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 : The coefficient of curvature is defined (A) D60/D10 (B) D10/D60 (C) D30 ²/D60 D10 (D) D10 ²/ D30 D60

Last Answer : (C) D30 ²/D60 D10

Description : Which of the following is a measure of particle size range? (A) Effective size (B) Uniformity coefficient (C) Coefficient of curvature (D) None of the above

Last Answer : Answer: Option B

Description : Define coefficient of uniformity and coefficient of curvature. Calculate Cu and Cc if D10 = 0.90 mm, D30 = 1.18 mm, D60 = 2.30 mm.

Last Answer : Coefficient of uniformity: It is the ratio of D60 to D10 values of soil from particle size distribution curve, called as coefficient of uniformity. Coefficient of curvature: It is the ratio of square of D30 to product of D10 and D60 values of coefficient of curvature.

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 : For a poorly graded sub-grade soil, thickness of sub-base, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 30 cm

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The directions of plumb lines suspended at different points in a survey are not strictly parallel (B) In surveys of small extent, the effect of ... of large extent, the effect of curvature of the earth must be considered (D) All the above

Last Answer : (D) All the above

Description : The void ratio of (A) Single size coarse aggregate is roughly 0.45 (B) Graded coarse aggregate is roughly 0.040 (C) Fine aggregate is roughly 0.45 (D) All the above

Last Answer : Answer: Option D

Description : Two observation wells penetrating into a confined aquifer are located 1500 m apart in the direction of flow. Heads of 50 m and 25 m are indicated at these two observation wells. If the coefficient of permeability for the ... well to another is (a) 75 days (b) 750 days (c) 1200 days (d) 3000 days

Last Answer : (b) 750 days

Description : The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2 , the coefficient of compressibility is (A) 0.01 (B) 0.02 (C) 0.05 (D) 0.001

Last Answer : (A) 0.01

Description : Skempton's pore pressure coefficient B for saturated soil is (A) 1 (B) Zero (C) Between 0 and 1 (D) Greater than 1

Last Answer : Answer: Option A

Description : If fineness modulus of sand is 2.5, it is graded as (A) Very fine sand (B) Fine sand (C) Medium sand (D) Coarse

Last Answer : Answer: Option B

Description : For ensuring quality of concrete, use (A) Single sized aggregates (B) Two sized aggregate (C) Graded aggregates (D) Coarse aggregates

Last Answer : (C) Graded aggregates

Description : Pick up the incorrect statement from the following: (A) In properly graded aggregates, bulk density is more (B) In single size aggregates, bulk density is least (C) In single size aggregates, bulk density is maximum (D) None of these

Last Answer : Answer: Option C

Description : If a grading curve is horizontal between the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain (A) 20 mm particles (B) 10 mm particles (C) 4.75 mm particles (D) All the above

Last Answer : Answer: Option D

Description : If th fineness modules of sand is 3, then the sand is graded as (a) Very fine sand (b) Fine sand (c)Medium sand (d) Coarse sand

Last Answer : (d) Coarse sand

Description : S1 and S2 are the draw downs in an observation well at times t1 and t2 after pumping. For  discharge Q and coefficient of transmissibility T, the relationship, is  (A) S2 - S1 = (2.3Q/ ) log10 (t2/t1)  (B) S2 - S1 ... - S1 = (2.3Q/4 ) loge (t2/t1)  (D) S2 - S1 = (2.3Q/4 ) loge (t1/t2

Last Answer : (B) S2 - S1 = (2.3Q/4 ) log10 (t2/t1) 

Description : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a small cavity in order to get a virtual image magnified

Last Answer : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a ... order to get a virtual image magnified `5` times ?

Description : To create an enlarged real image using a concave mirror, the object must be placed: w) beyond the center of curvature. x) between the center and the focus. y) at the focus. z) closer than the focus.

Last Answer : ANSWER: X -- BETWEEN THE CENTER AND THE FOCUS.

Description : Coefficient of consolidation of a soil is affected by (A) Compressibility (B) Permeability (C) Both compressibility and permeability (D) None of the above

Last Answer : (C) Both compressibility and permeability

Description : Uniformity coefficient of a soil is (A) Always less than 1 (B) Always equal to 1 (C) Equal to or less than 1 (D) Equal to or greater than 1

Last Answer : (D) Equal to or greater than 1

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 : Coefficient of compressibility is (A) Constant for any type of soil (B) Different for different types of soils and also different for a soil under different states of consolidation (C) Different for ... of consolidation (D) Independent of type of soil but depends on the stress history of soil

Last Answer : Answer: Option B

Description : If Cv is the coefficient of consolidation, is the time and is drainage path of one dimensional consolidation of soil, the time factor Tv, is given by (A) Tv = d²/Cv t (B) Tv = t²/d²Cv (C) Tv = Cv3 /d²t (D) Tv = Cv t/dt

Last Answer : Answer: Option D

Description : Coefficient of permeability of soil (A) Does not depend upon temperature (B) Increases with the increase in temperature (C) Increases with the decrease in temperature (D) None of the above

Last Answer : Answer: Option B

Description : The coefficient of compressibility of soil, is the ratio of (A) Stress to strain (B) Strain to stress (C) Stress to settlement (D) Rate of loading to that of settlement

Last Answer : Answer: Option B

Description : Tractive coefficient of a Crawler truck in loose soil is (a) Less than that of rubber tyre tractors (b) More than that of rubber tyre tractors (c) Same as that of rubber tyre tractors (d) Nearly zero

Last Answer : (d) Nearly zero

Description : The combined effect of curvature and refraction over a distance kilometres is (A) 67.2 L2 mm (B) 76.3 L2 mm (C) 64.5 L2 mm (D) None of these

Last Answer : (A) 67.2 L2 mm

Description : The graded-index multimode optical fiber has a core diameter of _____ nm. ∙ a. 0.5 ∙ b. 0.05 ∙ c. 0.0005 ∙ d. 5

Last Answer : ∙ a. 0.5

Description : If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of  elasticity stress and the depth of the neutral axis at section, then  (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F

Last Answer : (C) M/I = E/R = E/Y

Description : The method of finding out the difference in elevation between two points for eliminating the  effect of curvature and refraction, is  (A) Reciprocal levelling  (B) Precise levelling  (C) Differential levelling  (D) Flying levelling 

Last Answer : (A) Reciprocal levelling 

Description : Designation of a curve is made by:  (A) Angle subtended by a chord of any length  (B) Angle subtended by an arc of specified length  (C) Radius of the curve  (D) Curvature of the curve 

Last Answer : (C) Radius of the curve 

Description : Horizontal distances obtained tacheometerically are corrected for  (A) Slope correction  (B) Temperature correction  (C) Refraction and curvature correction  (D) All the above 

Last Answer : (C) Refraction and curvature correction

Description : In reciprocal levelling, the error which is not completely eliminated, is due to  (A) Earth's curvature  (B) Non-adjustment of line of collimation  (C) Refraction  (D) Non-adjustment of the bubble tube 

Last Answer : (C) Refraction 

Description : The radius of curvature of the arc of the bubble tube is generally kept (A) 10 m (B) 25 m (C) 50 m (D) 100 m

Last Answer : (D) 100 m

Description : The sensitiveness of a level tube decreases if (A) Radius of curvature of its inner surface is increased (B) Diameter of the tube is increased (C) Length of the vapour bubble is increased (D) Both viscosity and surface tension are increased

Last Answer : (D) Both viscosity and surface tension are increased

Description : If is in kilometres, the curvature correction is (A) 58.2 L2 mm (B) 64.8 L2 mm (C) 74.8 L2 mm (D) 78.4 L2 mm

Last Answer : (D) 78.4 L2 mm

Description : The curvature of the earth's surface, is taken into account only if the extent of survey is more than (A) 100 sq km (B) 160 sq km (C) 200 sq km (D) 260 sq km

Last Answer : (D) 260 sq km

Description : Refraction correction (A) Completely eliminates curvature correction (B) Partially eliminates curvature correction (C) Adds to the curvature correction (D) Has no effect on curvature correction

Last Answer : (B) Partially eliminates curvature correction

Description : In geodetic surveys higher accuracy is achieved, if (A) Curvature of the earth surface is ignored (B) Curvature of the earth surface is taken into account (C) Angles between the curved lines are treated as plane angles (D) None of these

Last Answer : (B) Curvature of the earth surface is taken into account

Description : The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube

Last Answer : (A) Increasing the diameter of the tube

Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these

Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

Description : Bending moment at any section in a conjugate beam gives in the actual beam (A) Slope (B) Curvature (C) Deflection (D) Bending moment

Last Answer : (C) Deflection

Description : Surface tension (A) Acts in the plane of the interface normal to any line in the surface (B) Is also known as capillarity (C) Is a function of the curvature of the interface (D) Decreases with fall in temperature

Last Answer : Answer: Option A

Description : Pick up the incorrect statement from the following. The super-elevation on roads is (A) Directly proportional to width of pavement (B) Directly proportional to velocity of vehicles (C) Inversely proportional to acceleration due to gravity (D) Inversely proportional to the radius of curvature

Last Answer : Answer: Option B

Description : Minimum radius of curvature of National Highways or State highways in hill region free from snow, is kept (A) 60 m (B) 50 m (C) 33 m (D) 30 m

Last Answer : Answer: Option B

Description : If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be (A) 60/R (B) 70/R (C) 75/R (D) 80/R

Last Answer : Answer: Option C

Description : The radius of curvature provided along a transition curve, is (A) Minimum at the beginning (B) Same throughout its length (C) Equal to the radius of circular curve (D) Varying from infinity to the radius of circular curve

Last Answer : Answer: Option D

Description : In an ideal transition curve, the radius of curvature (A) Is constant (B) At any point is directly proportional to its distance from the point of commencement (C) Is inversely proportional to the radius of main curve (D) Is directly proportional to the radius of main curve

Last Answer : Answer: Option C