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
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
Last Answer : Answer: Option D
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
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 : 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 : 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 : Connecting rod of two stroke engine is subjected to A. Compressive load B. Tensile load C. Both compressive and tensile load D. None of the above
Last Answer : A. Compressive load
Description : Connecting rod of four stroke engine is subjected to A. Compressive load B. Tensile load C. Both compressive and tensile load D. None of the above
Last Answer : C. Both compressive and tensile load
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 : Property of a fluid by which its own molecules are attracted is called (A) Adhesion (B) Cohesion (C) Viscosity (D) Compressibility
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 : 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 : 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 : 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 : 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 : 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 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 : 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 : Falling drops of water become spheres due to the property of (A) Adhesion (B) Cohesion (C) Surface tension (D) Viscosity
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 : The tendency of a liquid surface to contract is due to the following property (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension
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
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
Last Answer : Cohesion of mercury is greater than its adhesion with glass
Description : When frequency of occurrence of overload is less and magnitude of overload is also less than safety device used is a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive
Last Answer : a) Safety jump clutch
Description : When frequency of occurrence of overload is less but the mangnitude of overload is large than safety device used is: a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive
Last Answer : b) Shear device
Description : raft increases with increase in forward speed for most of the implement, mainly due to a) More rapid acceleration of any soil particles that is moved appreciably b) More working width c) Increased working depth d) Draft decreases with increase in speed of implement
Last Answer : a) More rapid acceleration of any soil particles that is moved appreciably
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 : Total force exerted upon the implement by a power unit called a)pull. B) draft C)side draft. D)unit draft
Last Answer : a)pull
Description : Force ( including rolling resistance friction ) that acts upon the stabilising surfaces such landslide and sole of bottom are called a) Useful soil resistance b) Parasitic force d) Draft of implement. d) Pull of implement
Last Answer : b) Parasitic force
Description : Forces which a tool must overcome in cutting, breaking and moving the soil is called a) Useful soil resistance b) Parasitic force c) Draft of implement d) Pull of implement
Last Answer : a) Useful soil resistance
Description : When the helical compression spring is subjected to axial compressive force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Last Answer : (D) Torsional shear stress
Description : When the helical extension spring is subjected to axial tensile force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Description : If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. (A) Compressive force (B) Tensile force (C) Shear force (D) Bending moment
Last Answer : (A) Compressive force
Description : On the sea shore structures, the water wave impact causes (A) Direct compressive force due to its horizontal component (B) Shear force due to deflected vertical force (C) Compressive force due to collapse of the wave (D) All of the above
Last Answer : (D) All of the above
Description : illage tool moving with uniform velocity is subjected to A)force of gravity. B)pull of power source C)soil reaction. D)all of the above
Last Answer : D)all of the above
Description : One of the main advantages of disc brakes over drum brakes is that the disc brake : U. Can stop a vehicle in a shorter distance V. Is more heat resistant W. Weighs less than drum brakes X. Requires less pedal force to stop the vehicle
Last Answer : . Requires less pedal force to stop the vehicle
Description : Dynamic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : b) Force
Description : Kinematic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : a) Motion
Description : Geometric similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : c) Length
Description : A slat mould board scours better than a solid mould board because of smaller contact area resulting in a) Reduction of adhesive force b) Increase in soil pressure c) Both (a) and (b) d) None of the above
Last Answer : c) Both (a) and (b)
Description : Under a given set of operating conditions, the designer and operator has some control of a)Useful soil resistance b) Parasitic Force c)Draft of implement d) Pull of implement
Last Answer : b) Parasitic Force
Description : A Tillage implement moving at a constant velocity is subjected to a) Force of gravity b) Soil force (resistance) c) Pull of mower d) All of the above
Last Answer : d) All of the above
Description : Planters differ from a seed drill in respect of- (A) kind of power transmission system (B)kind of metering mechanism (C)kind of furrow opener used (D)all of the above
Last Answer : (B)kind of metering mechanism
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)