In the cohesion-tension theory cohesion refers to the -Biology

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Description : What is the cohesion tension theory? -Biology

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Description : A solid needle placed horizontally on the surface of the water floats due to (a) Surface tension (b) Capillary action (c) Cohesion (d) Adhesion

Last Answer : Ans:(a)

Description : Soldering of two metals is possible because of the property of – (1) Viscosity (2) Osmosis (3) Cohesion (4) Surface tension

Last Answer : (3) Cohesion Explanation: Soldering is the process of joining two metals by the use of a solder alloy, and it is one of the oldest known joining techniques. It is possible because of the ... through-out the interior of substance. Soldering leads to alloy formation at the layer between two metals.

Description : The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Last Answer : (A) Surface tension

Description : The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Last Answer : (A) Surface tension

Description : Surface tension of a liquid (A) Is due to intermolecular forces of cohesion (B) Decreases with rise in temperature (C) Is responsible for the spherical shape of an isolated liquid drop (D) All (A), (B) & (C)

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

Description : Property responsible for the talcum powder to cling to the skin is the (A) Capillary action (B) Adhesion (C) Cohesion (D) Surface tension

Last Answer : Option B

Description : The process of diffusion of one liquid into the other through a semi permeable membrane is called (A) Viscosity (B) Osmosis (C) Surface tension (D) Cohesion

Last Answer : Answer: Option B

Description : The mercury does not wet the glass. This is due to the property of the liquid known as (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension

Last Answer : Answer: Option D

Description : Mercury does not wet glass. This is due to property of liquid known as (A) Adhesion (B) Cohesion (C) Surface tension (D) Viscosity

Last Answer : Answer: Option C

Description : Falling drops of water become spheres due to the property of (A) Adhesion (B) Cohesion (C) Surface tension (D) Viscosity

Last Answer : Answer: Option C

Description : Free surface of a liquid tends to contract to the smallest possible area due to force of (A) Surface tension (B) Viscosity (C) Friction (D) Cohesion

Last Answer : Answer: Option A

Description : Surface energy per unit area of a surface is numerically equal to (A) Atmospheric pressure (B) Surface tension (C) Force of adhesion (D) Force of cohesion

Last Answer : Answer: Option B

Description : Capillary action is due to the (A) Surface tension (B) Cohesion of the liquid (C) Adhesion of the liquid molecules and the molecules on the surface of a solid (D) All of the above

Last Answer : Answer: Option D

Description : The tendency of a liquid surface to contract is due to the following property (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension

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Description : The property of a fluid which enables it to resist tensile stress is known as (A) Compressibility (B) Surface tension (C) Cohesion (D) Adhesion

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Description : The property of fluid by virtue of which it offers resistance to shear is called (A) Surface tension (B) Adhesion (C) Cohesion (D) Viscosity

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Description : Soldering of two metals is possible because of the property of : (1) Viscosity (2) Osmosis (3) Cohesion (4) Surface tension

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Description : The most widely accepted theory for ascent of sap in trees is (a) capillarity (b) role of atmospheric pressure (c) pulsating action of living cell (d) transpiration pull and cohesion theory of Dixon and Jolly.

Last Answer : (d) transpiration pull and cohesion theory of Dixon and Jolly.

Description : Which of the following terms refers to muscle tension being unchanged with muscle shortening and joint motion? a) Isotonic contraction Exercises such as swimming and bicycling are isotonic. b) ... , joint, or both. d) Fasciculation Fasciculation refers to involuntary twitch of muscle fibers.

Last Answer : a) Isotonic contraction Exercises such as swimming and bicycling are isotonic.

Description : Which of the following terms refers to the ease with which a tissue stretches? Is it: a) stretch factor b) surface tension c) compliance d) ductility

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Description : What is cohesion of stamen? -Biology

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Description : What are the different types of cohesion of stamens? -Biology

Last Answer : Cohesion of stamen : Usually following types of cohesion among stamens occur.

Description : Cohesion and adhesion in the ascent of xylem sap. -Biology

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Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum Principal stress theory (d) None

Last Answer : (c) Thirdly Maximum Principal stress theory

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Last Answer : (d) None

Description : Under maximum shear stress theory, maximum shear stress is equal to (a) Allowable stress in tension (b) Allowable stress in compression (c) Allowable stress in shear (d) None

Last Answer : (c) Allowable stress in shear

Description : Under maximum principal stress theory, maximum principal stress is equal to (a) Allowable stress in tension (b) Allowable stress in compression (c) Allowable stress in shear (d) None

Last Answer : (a) Allowable stress in tension

Description : The assumption in the theory of bending of beams is:  (A) Material is homogeneous  (B) Material is isotropic  (C) Young's modulus is same in tension as well as in compression  (D) All the above 

Last Answer : (D) All the above 

Description : Pick up the correct assumption of the theory of simple bending  (A) The value of the Young's modulus is the same in tension as well as in compression  (B) Transverse section of a beam remains ... bending  (C) The material of the beam is homogeneous and isotropic  (D) All the above

Last Answer : (D) All the above

Description : According to the steel beam theory of doubly reinforced beams (A) Tension is resisted by tension steel (B) Compression is resisted by compression steel (C) Stress in tension steel equals the stress in compression steel (D) All the above

Last Answer : Answer: Option D

Description : According to steel Beam theory, stress in compressive steel is ------- stress in tension steel [ A ] less than [ B ] greater than [ C ] equal to [ D ] twice

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Description : Explain Laplace’s molecular theory of liquid & hence define surface tension. 

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Description : What does social cohesion mean ?

Last Answer : Social cohesion refers to the emotional unity by which people are connected to each other. That is to say, the social consciousness or bond in which people feel one another , help one another , is social cohesion.

Description : who emphasized the importance of social cohesion?

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Description : How adhesion and cohesion and capillary action enable water to go from the roots to the top a tall tree?

Last Answer : Water travels up a tree through small tubes called xylem. Aswater is released through the leaves of the tree, it creates anegative pressure at the top of the tree. Even though the weight ofall ... the width of thetube, which means that the xylem and stomata can draw water up andincredible distance.

Description : How can critical and creative thinking be employed to enhance political cohesion?

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Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (a) Mercury is a metal (b) The density of mercury is greater ... is greater than its adhesion with glass (d) The cohesion of water is greater than its adhesion with glass

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Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (1) Mercury is a metal (2) Density of mercury is greater than that ... is greater than its adhesion with glass (4) Cohesion of water is greater than its adhesion with glass

Last Answer : (3) Cohesion of mercury is greater than its adhesion with glass Explanation: When liquid is placed on a smooth surface like glass plate, the relative strengths of the cohesive and adhesive forces acting on ... and a surface are stronger, they will pull the liquid down, causing it to wet the surface.

Description : The oil in the wick of lamp rises due to (1) Pressure difference (2) Pheonomenon of capillarity (3) Low viscosity of oil (4) Force of cohesion

Last Answer : (2) Pheonomenon of capillarity Explanation: The oil in the wick of lamp rises due to phenomenon of capillarity. This phenomenon is called molecular property of matter.

Description : Dough kept overnight in warm weather becomes soft and spongy because of (a) absorption of carbon dioxide from atmosphere (b) fermentation (c) cohesion (d) osmosis.

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Description : Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

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Last Answer : (D) Shear stresses are generally larger than in a similar laminar flow

Description : Fluid resistance to shear depends upon its (A) Rate of transfer of molecular momentum (B) Cohesion (C) Both (A) and (B) (D) Neither (A) nor (B)

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

Description : In particular, layers have which of the following characteristics? a) Layers are by definition highly cohesive, thus satisfying the Principle of Cohesion b) Layers doesn’t support information hiding c) Layers are constrained to use only above layers d) All of the mentioned

Last Answer : Layers are by definition highly cohesive, thus satisfying the Principle of Cohesion

Description : Rise of water table in cohesion-less soils upto ground surface reduces the net ultimate bearing capacity approximately by (A) 25 % (B) 50 % (C) 75 % (D) 90 %

Last Answer : (B) 50 %