Physical properties of a permeant which influence permeability are
(A) Viscosity only
(B) Unit weight only
(C) Both viscosity and unit weight
(D) None of the above

1 Answer

Answer :

Answer: Option C

Related questions

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 : 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 : How is an electromagnet different from a permeant magnet?

Last Answer : Mainly in that the electromagnet is NOT permanent. In otherwords, it can be switched on and off.Another relevant difference isthat the electromagnet constantly requires power, at least while itis on.

Description : According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) (A) μ (B) 1/μ (C) √μ (D) μ

Last Answer : (B) 1/μ

Description : How does steroid hormone influence the cellular activities? (a) Using aquaporin channels ‘as second messenger’ (b) Changing the permeability of the cell membrane (c) Binding to DNA and forming a gene-hormone complex (d) Activating cyclic AMP located on the cell membrane

Last Answer : (c) Binding to DNA and forming a gene-hormone complex

Description : Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) ... aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

Last Answer : Answer: Option D

Description : Which of the following gradients exerts maximum influence on properties of steel? (A) Iron (B) Carbon (C) Manganese (D) Sulphur

Last Answer : Answer: Option B

Description : Which of the following properties is not necessarily desirable in the material for transformer core? A. Mechanical strength B. Low hysteresis loss C. High thermal conductivity D. High permeability

Last Answer : C) high thermal conductivity

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 : Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct? (a) 1 only (b) 2 only (c) Both 1 &2 (d) Neither 1 nor 2

Last Answer : (c) Both 1 &2

Description : The intensive properties are (A) Molar volume, density, viscosity and boiling point (B) Refractive index and surface tension (C) Both (A) and (B) (D) None of these

Last Answer : (C) Both (A) and (B)

Description : The unit of kinematic viscosity in S. I. units is (A) N-m/s (B) N-s/m2 (C) m 2 /s (D) N-m

Last Answer : Answer: Option C

Description : Poise is the unit of (A) Surface tension (B) Capillarity (C) Viscosity (D) Shear stress in fluids

Last Answer : Answer: Option C

Description : The force per unit length is the unit of (A) Surface tension (B) Compressibility (C) Capillarity (D) Viscosity

Last Answer : Answer: Option A

Description : Which of the following is the unit of kinematic viscosity? (A) Pascal (B) Poise (C) Stoke (D) Faraday

Last Answer : Answer: Option C

Description : The unit of dynamic viscosity in S.I. units is (A) N-m/s2 (B) N-s/m2 (C) Poise (D) Stoke

Last Answer : Answer: Option B

Description : Stoke is the unit of (A) Kinematic viscosity in C. G. S. units (B) Kinematic viscosity in M. K. S. units (C) Dynamic viscosity in M. K. S. units (D) Dynamic viscosity in S. I. units

Last Answer : Answer: Option A

Description : The unit of viscosity is (A) Metres² per sec (B) kg-sec/metre (C) Newton-sec per metre² (D) Newton-sec per meter

Last Answer : Answer: Option B

Description : Terzaghi's theory of one dimensional consolidation assumes (A) Load is applied in one direction (B) Coefficient of permeability is constant (C) Excess pore water drains out only in the vertical direction (D) All the above

Last Answer : Answer: Option D

Description : Consider the following statements: 1. Consolidation time increase with increasing compressibility 2. Consolidation time decreases with increasing permeability. 3. Consolidation time is dependent on the magnitude of stress increase. Which of these ... (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (b) 1 & 2 only

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 : Which of the following methods is best suited for determination of permeability of coarse-grained soils? (A) Constant head method (B) Falling head method (C) Both the above (D) None of the above

Last Answer : Answer: Option A

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 : Effective stress on soil (A) Increases voids ratio and decreases permeability (B) Increases both voids ratio and permeability (C) Decreases both voids ratio and permeability (D) Decreases voids ratio and increases permeability

Last Answer : Answer: Option C

Description : The average coefficient of permeability of natural deposits (A) Parallel to stratification is always greater than that perpendicular to stratification (B) Parallel to stratification is always less ... D) Parallel to stratification may or may not be greater than that perpendicular to stratification

Last Answer : Answer: Option A

Description : The deformation of a spring produced by a unit load is called (A) Stiffness (B) Flexibility (C) Influence coefficient (D) Unit strain

Last Answer : (B) Flexibility

Description : Effective stress is (A) The stress at particles contact (B) A physical parameter that can be measured (C) Important because it is a function of engineering properties of soil (D) All of the above

Last Answer : Answer: Option C

Description : The buoyancy depends upon the (A) Weight of the liquid displaced (B) Pressure with which the liquid is displaced (C) Viscosity of the liquid (D) Compressibility of the liquid

Last Answer : Answer: Option A

Description : Working principle of dead weight pressure gauge tester is based on (A) Pascal's law (B) Dalton's law of partial pressure (C) Newton's law of viscosity (D) Avogadro's hypothesis

Last Answer : Answer: Option A

Description : The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

Last Answer : Answer: Option D

Description : Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of elements

Last Answer : 7

Description : Materials for rain-proof coats and tents owe their water proof properties to _____? A. Surface tension B. Viscosity C. Elasticity D. Specific gravity

Last Answer : ANSWER: A

Description : Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : (1) Surface tension Explanation: Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid behaves like an elastic membrane and therefore, has a tendency to contract. This property of liquid is called Surface Tension.

Description : Penetration test determines the __________ of the grease. (A) Stiffness (B) Lubricating properties (e.g. oilness) (C) Service temperature (D) Variation in viscosity with temperature

Last Answer : (A) Stiffness

Description : Lane and Garton classification of petroleum is based on its (A) Composition (B) Specific gravity (C) Optical properties (D) Viscosity

Last Answer : (B) Specific gravity

Description : Material for rain-proof coats and tents owe their water proof properties to ----? A. Surface tension (Answer) B. Viscosity C. Specific gravity D. Elasticity

Last Answer : A. Surface tension (Answer)

Description : Which of the following properties of a fluid is responsible for offering resistance to shear? (A) Surface tension (B) Viscosity (C) Specific gravity (D) All (A), (B), and (C)

Last Answer : (B) Viscosity

Description : Purity of water can be assessed by determining one of its following properties instrumentally : (A) pH (B) Refractivity (C) Viscosity (D) Conductivity

Last Answer : (D)Conductivity

Description : Explain the following properties i) Pour point ii) Viscosity iii) Ignition quality iv) Fire point

Last Answer : i. Pour point: Pour point is the temperature below which the entire mass of fuel, solid or liquid together, freeze and thus cause flow of fuel impossible. Pour point is usually 5 to 10 °C below ... is the temperature at which the flash will sustain itself as a steady flame for at least five seconds.

Description : Materials for rain proof coats and tents owe their water proof properties to (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : Surface tension

Description : Tesla metre per ampere (T. m/A) is the unit for the measurement of (A) Magnetic susceptibility (B) Magnetic moment (C) Permeability of free space (D) Flux density

Last Answer : Option C

Description : The unit of relative permeability is (a) henry/metre (b) henry (c) henry/sq. m (d) it is dimensionless

Last Answer : (d) it is dimensionless

Last Answer : it is dimensionless.

Description : Which of the following exercises most powerful influence on the mechanical properties of steel? (A) Manganese (B) Carbon (C) Phosphorous (D) Silicon

Last Answer : (B) Carbon

Description : The coefficient of permeability of soils, is generally expressed in (A) cm/sec (B) cm/minute (C) cm2 /sec (D) cm2 /minute

Last Answer : (A) cm/sec

Description : Capacity of soil to absorb moisture, is generally known as (A) Permeability (B) Porosity (C) Infiltration capacity (D) Perviousness

Last Answer : (C) Infiltration capacity

Description : The capability of a soil mass of full width and depth to transmit water, is known  (A) Porosity  (B) Permeability  (C) Transmissibility  (D) None of these 

Last Answer : (B) Permeability 

Description : Property of earth to allow water to pass through it, is known as  (A) Perviousness  (B) Porosity  (C) Permeability  (D) Transmissibility

Last Answer : (A) Perviousness