Description : Solid particles separation based on the difference in their flow velocities through fluids is termed as the (A) Clarification (B) Classification (C) Elutriation (D) Sedimentation
Last Answer : (B) Classification
Description : Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for ... a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature
Last Answer : (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs
Description : For flow of fluids through packed bed, the superficial velocity is (A) Less than the average velocity through channels (B) More than the average velocity through channels (C) Dependent on the pressure drop across the bed (D) Same as the average velocity through channels
Last Answer : (A) Less than the average velocity through channels
Description : For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) (A) μ (B) 1/μ (C) √μ (D) 1/√μ
Last Answer : (B) 1/μ
Description : A mixed flow centrifugal pump (A) Employs such an impeller, through which the flow is a combination of radial & axial flow (B) Mixes the two fluids before pumping them (C) Pumps the two fluids separately and then mixes them (D) Employs impellers in both the radial & axial directions
Last Answer : (A) Employs such an impeller, through which the flow is a combination of radial & axial flow
Description : Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the ... (A) Increase (B) Decrease (C) Remain unchanged (D) Data insufficient to predict relative pressure drop
Last Answer : (B) Decrease
Description : Froude number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Last Answer : Answer: Option C
Description : Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Last Answer : Answer: Option B
Description : Mach number is significant in (A) Supersonics, as with projectiles and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through ... gravity force, and wave making effects, as with ship's hulls (D) All of the above
Last Answer : Answer: Option A
Description : During metamorphonism, changes in the bulk composition of a rock occur primarily as a result of _____? a) Increase in pressure b) Increases in temperature c) Reaction with hydrothermal fluids d) All of these
Last Answer : Increase in pressure
Description : The property to flow is unique to fluids. Which one of the following statements is correct ? -Maths 9th
Last Answer : NEED ANSWER
Last Answer : (c) Gases and liquids behave like fluids. Both gases and liquids tend to flow due to less force of attraction between their particles. Also, they require vessel to keep them. Solids do not flow.
Description : Fluids flow with zero viscosity is called?
Last Answer : Super fluids eg : Honey; Coaltar; Glycerine etc
Description : When both the fluids flow concurrently in an absorber, the slope of the operating line is (A) -ve (B) +ve (C) 1 (D) -1
Last Answer : (A) -ve
Description : A 2-4 heat exchanger involves (A) Only counter-flow of fluids (B) Only parallel-flow of fluids (C) Both counter and parallel-flow of the fluids (D) Smaller pressure drop compared to 1-2 exchanger
Last Answer : (C) Both counter and parallel-flow of the fluids
Description : In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is (A) Minimum (B) Maximum (C) Zero (D) Infinity
Last Answer : (C) Zero
Description : LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface ... Parallel (B) Mixed (C) Counter flow (D) Same in either 'a', b' or 'c'
Last Answer : (D) Same in either 'a', b' or 'c'
Description : Dittus-Boelter equation used for the determination of heat transfer coefficient is valid (A) For fluids in laminar flow (B) For fluids in turbulent flow (C) When Grashoff number is very important (D) For liquid metals
Last Answer : (B) For fluids in turbulent flow
Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.
Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.
Description : The Stoke's stream function applies to the (A) Irrotational flow only (B) Ideal/non i viscous fluids only (C) Cases of axial symmetry (D) None of these
Last Answer : (C) Cases of axial symmetry
Description : Pick out the wrong statement. (A) The shear stress at the pipe (dia = D, length = L) wall in case of laminar flow of Newtonian fluids is (D/4L). ∆p (B) In the equation, T. gc = k. ... to motion (D) With increase in the Mach number >0.6, the drag co-efficient decreases in case of compressible fluids
Last Answer : (D) With increase in the Mach number >0.6, the drag co-efficient decreases in case of compressible fluids
Description : The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids
Last Answer : (D) All compressible fluids
Description : Momentum transfer in laminar flow of fluids results due to the (A) Viscosity (B) Density (C) Velocity gradient (D) None of these
Last Answer : (C) Velocity gradient
Description : Potential flow is the flow of (A) Compressible fluids with shear (B) Compressible fluids with no shear (C) Incompressible fluids with shear (D) Incompressible fluids with no shear
Last Answer : (D) Incompressible fluids with no shear
Description : Boundary layer exists in flow (A) Of real fluids (B) Over flat surfaces only (C) In pipes only (D) Of ideal fluids only
Last Answer : (A) Of real fluids
Description : The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids (A) Having high viscosities (B) Moving at low velocities (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Pick out the correct statement pertaining to transition/ entrance length in fluid flow. (A) The length of entrance region of pipe, in which full development of fluid flow takes place such that velocity profile does not change ... pipe of diameter 'd' is equal to 50 D (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle
Last Answer : (B) Pitot tube
Description : Which of the following facilitates close control of flow of fluids? (A) Gate valve (B) Globe valve (C) Butterfly valve (D) Check valve
Last Answer : (B) Globe valve
Description : Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position. (A) Horizontal (B) Vertical (C) Inclined (D) Any
Last Answer : (D) Any
Description : Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type (A) Parallel flow with equal heat capacities (B) Counter ... (C) Counter flow with unequal heat capacities (D) Parallel flow with unequal heat capacities
Last Answer : (B) Counter flow with equal heat capacities
Description : The continuity equation is connected with (A) Open channel/pipe flow (B) Compressibility of fluids (C) Conservation of mass (D) Steady/unsteady flow
Description : Recuperated will be more efficient if the flow path of hot and cold fluids is in: a) Co-current mode b) Counter current mode c) Cross current mode d) Cone of the above
Last Answer : Counter current mode
Description : What m is a type of materials that let heat flow through it easily?
Last Answer : metal
Description : What type of rock fairly soft rocks that may break and crumble easily is?
Last Answer : Feel Free to Answer
Description : Health officials keep saying ebola is 100% contracted through bodily fluids why is that?
Last Answer : It can survive outside the body for a long time and when people are sick with it they are leaking body fluids all over like gangbusters. It can enter through mucous membranes. That's why it ... but not airborne by the strict medical definition. Practically speaking I think we can call it airborne.
Description : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill membrane (b) Oral membrane ( c) Anal me
Last Answer : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill ... and (c) only D. (b) and (c) only
Description : Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the (A) Less corrosion problems (B) Flexibility possible in the baffle arrangement (C) Low pressure drop (D) High heat transfer co-efficient
Last Answer : (B) Flexibility possible in the baffle arrangement
Description : Which of the following best describes a form? (a) Form enables people to enter or view data in a database easily -Technology
Last Answer : (a) The form enables people to enter or view data in a database easily.
Description : What is a Rock that does not allow water to flow through is called what?
Last Answer : the impermeable layer
Description : which of the following accurately describes the flow of energy through ecosystems? -General Knowledge
Last Answer : The percentage of the original energy from producers that's available to the consumer is quite small. -accurately describes the flow of energy through ecosystems.
Description : Which of the following describes the Gabbro? (A) fine-grained, dark-colored igneous rock poor in silica (B) Coarse-grained, dark-colored igneous rock poor in silica (C) Fine-grained, dark-colored igneous rock rich in silica (D) Coarse -grained, dark-colored igneous rock rich in silica
Last Answer : Coarse-grained, dark-colored igneous rock poor in silica
Description : What is it called when tar is hard to pour because it doesn't flow easily?
Last Answer : The tar is said to be viscous.
Description : Drinking hot beverages - What is the typical temperature when fluids enter our stomach?
Last Answer : If you make tea with boiling water, figure that by the time you drink it, it’s cooled down (but is still hot) to maybe 150 degrees F? Maybe 130F?
Description : What? 1956 ad: Pepsi Cola is the choice drink of mental patients when forced fluids are indicated.
Last Answer : Love those old ads. I’d walk a mile for a camel. Most doctors recommend Kent cigarrettes.
Description : How many days of eating pineapple are required to change the flavor of certain body fluids?
Last Answer : Generally it takes about 12 to 24 hours for any change to occur. All men have a semen taste that is exclusive to them, but the major complaint on sperm taste is normally always the same: It ... day or not! http://ezinearticles.com/?Sperm-Taste---10-Simple-Tips-For-Better-Tasting-Semen&id=164106
Description : A tough physics/fluids question?
Last Answer : 27m?
Description : What do pineapples do to a man's organ/the fluids emanating from it?
Last Answer : Changes the taste, and to a lesser extent the smell. :)