Description : 18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree
Last Answer : A
Description : Property of a fluid by which its own molecules are attracted is called (A) Adhesion (B) Cohesion (C) Viscosity (D) Compressibility
Last Answer : Answer: Option B
Description : Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called (A) Adhesion (B) Cohesion (C) Viscosity (D) Compressibility
Last Answer : Answer: Option A
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
Last Answer : Answer: Option D
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 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
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
Description : The tendency of a liquid surface to contract is due to the following property (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension
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 : 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
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
Description : Which one of the following statements is correct ? a) For water at 100o Celsius at sea level, the vapour pressure is equal to atmospheric pressure b) Surface energy (or tension) is caused by ... it both in static and in dynamic conditions d) Air is 50,000 times more compressible than water
Last Answer : c) Viscosity of a fluid is the property exhibited by it both in static and in dynamic conditions
Description : If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be (A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable
Description : The volumetric change of the fluid caused by a resistance is known as (A) Volumetric strain (B) Volumetric index (C) Compressibility (D) Adhesion
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 : Falling drops of water become spheres due to the property of (A) Surface tension of water (B) Compressibility of water (C) Capillarity of water (D) Viscosity of water
Description : The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called (A) Surface tension (B) Compressibility (C) Capillarity (D) Viscosity
Description : Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the (A) Force of adhesion (B) Force of cohesion (C) Force of friction (D) Force of diffusion
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 : Soldering of two metals is possible because of the property of : (1) Viscosity (2) Osmosis (3) Cohesion (4) Surface tension
Last Answer : Cohesion
Description : Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable ... to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress
Description : The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone (A) Compressive stress (B) Shear stress (C) Bond stress (D) Tensile stress
Description : The purpose of reinforcement in pre-stressed concrete is (A) To provide adequate bond stress (B) To resist tensile stresses (C) To impart initial compressive stress in concrete (D) All of the above
Description : The shear resistance of a soil is constituted basically of the following component. (A) The frictional resistance to translocation between the individual soil particles at their contact point (B) To the ... (C) Cohesion and adhesion between the surfaces of the soil particles (D) All the above
Description : A liquid would wet the solid, if adhesion forces as compared to cohesion forces are (A) Less (B) More (C) Equal (D) Less at low temperature and more at high temperature
Description : …. is the property of a material which enables it to resist plastic deformation.
Last Answer : …. is the property of a material which enables it to resist plastic deformation. (A) elasticity (B) plasticity (C) hardness (D) ductility
Description : The force per unit length is the unit of (A) Surface tension (B) Compressibility (C) Capillarity (D) Viscosity
Description : The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called (A) Density of liquid (B) Specific gravity of liquid (C) Compressibility of liquid (D) Surface tension of liquid
Description : The variation in the volume of a liquid with the variation of pressure is called its (A) Surface tension (B) Compressibility (C) Capillarity (D) Viscosity
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
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
Description : Ceramic compounds as compared to metallic compounds (A) Crystallise faster (B) Resist greater tensile stress at room temperature (C) Have higher melting temperature (D) Are better conductor of electricity at higher temperature
Last Answer : Option C
Description : Cohesion and adhesion in the ascent of xylem sap. -Biology
Last Answer : answer:
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 : 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
Last Answer : Ans:(c)
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 rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion
Last Answer : (d) cohesion and adhesion.
Description : Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B
Description : The force that holds two particles of the different kind together is called as a) Adhesion c) Shear force b) Cohesion d) Compressive
Last Answer : a) Adhesion
Description : The force that holds two particles of the same kind together is called as a) Adhesion c) shear force b) cohesion d) compressive
Last Answer : b) cohesion
Last Answer : Cohesion of mercury is greater than its adhesion with glass
Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending
Last Answer : [ C ] The strain at different points in the section will be same
Description : Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : When the steel bars are embedded in concrete. The concrete after setting, adheres to the surface of the bars and thus resist any force that tends to pull or push this road. The intensity of this adhesive force is called. (a) Bond stress (b) Shear stress (c) Compressive stress (d) All of these
Last Answer : (a) Bond stress
Description : In turbulent flow, the (A) Fluid particles move in an orderly manner (B) Momentum transfer is on molecular scale only (C) Shear stress is caused more effectively by cohesion than momentum transfer (D) Shear stresses are generally larger than in a similar laminar flow
Last Answer : (D) Shear stresses are generally larger than in a similar laminar flow
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 : A fluid in equilibrium can't sustain (A) Tensile stress (B) Compressive stress (C) Shear stress (D) Bending stress
Description : The fluid property which matters for falling rain drops to acquire spherical shape is its (A) Pressure (B) Height of descend (C) Viscosity (D) Surface tension
Last Answer : (D) Surface tension