The only possible dimensionless group that combines velocity V, body size L, fluid density p, and surface tension coefficient o is (1) ²p. (2) DV², (3) PLVZ Lpo
Q: Calculate the Moment of 7 × F
A: Given data:-To find:- the Moment of
Q: Calculate the shear force and bending moment in each beam at sections 1-1, 2-2 and 3-3.
A:
Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…
A: Assumption :steam considered as saturated vapor at each turbine exitGiven data ideal reheat Rankine…
Q: 4.19 Determine the increase in humidity ratio due to 80 peo- ple in a dance hall if air is…
A: Latent Heat transfer from people Q = 545 Btu /hrNumber of people = N= 80Circulated rate = 1350…
Q: An axial flow compressor having eight stages and with 50% reaction design compresses air in the…
A:
Q: a) Calculate the interstage pressure ratio per stage for a two-stage compressor if the overall…
A:
Q: In thermodynamics. Which is more efficient the Diesel Cycle or the Otto cycle?
A: Otto cycle:It is the ideal cycle for spark ignition engines which has following processes…
Q: Q1/Determine magnitude of force at AG and GF members by using joint method. 10 kN 5 kN 4 m 45° G 2m…
A:
Q: A train is initially traveling along a straight track at a speed of 100 km/h. For 6 s it is…
A:
Q: A spherical balloon 9.5 m in diameter weighs 1250 N. It is filled with helium weighing 1.65 N/m3 .…
A: Write expression for volume of gas that can be filled inside the balloon.Here d is diameter of…
Q: The two forces shown act in the x-y plane of the T-beam cross section. If it is known that the…
A: The two forces shown act in the x-y plane of the T-beam cross section.If it is known that the…
Q: A horizontal nozzle discharges 0.01 m³/s of water into the air. The supply pipe's diameter (dA = 40…
A:
Q: the isometric drawing has to be in 30 degree angle or vertical
A: It is asked to describe whether the isometric drawing has to be at 30 degree angle or vertical
Q: 5. A particle moves in the x - y plane such that its position is defined by Ỹ = (3t² i +8tj) ft,…
A: The position of the particle is .The time is .
Q: 2 Problem Norm the Niner throws up a football with a speed v0 = 10 m/s and at an angle relative to…
A:
Q: 2) An object with a mass of m = 50 kg is suspended, as shown. What are the reactions (external and…
A:
Q: Problem 1: Determine the reaction force at the roller F for the frame loaded and supported as shown.…
A: According to the given data, thereis a loading structure given ABCDEF We need to findreaction at a…
Q: Problem 4 A long 1.5 km pipeline with size of 300 mm laid between two reservouirs having difference…
A:
Q: The uniform slender rod AB of weight 5 lb and length 30 in. forms an angle B = 30° with the vertical…
A:
Q: Saturated liquid water at 35[bar] undergoes an ideal throttling process to 10[bar]. The quality of…
A: According to the given dataP1=30 barP2=10 barProcess 1 to 2 is a throttling process.We need to…
Q: Three force P=150, F=300, and Q=300 KN 1- What is the vertical reaction at G? 2- What is the…
A:
Q: Q1/Replace the force and couple system acting on the member in Figure below by an equivalent…
A: The force couple system is the summation of all forces and moments at a point that produces the same…
Q: Q1) A fluid initially at 155.5 °C and 1 bar, is compressed reversibly and isothermally to a state…
A:
Q: An active suspension system of a car is to be designed, one wheel at a time. A single wheel carries…
A: Given :-m - 475 kgK - 32 kN/mc - 926 kg.s/mTo find :- Block diagram
Q: Use method of sections to determine the forces in truss members BD, CD, and CE. 1kN 2.33m 2m 2kN B…
A: The member forces .
Q: The A-36 steel wire AB has a cross-sectional area of 11 mm² and is unstretched when 0= =…
A: The A-36 steel wire AB has a cross-sectional area (A) of 11 mm² and is unstretched when thita…
Q: The beam in the figure above has a length L w 2m and is loaded with a distributed load (force per…
A:
Q: Using the general Lagrange equation, write the model for the elevator shown. Sketch the block…
A:
Q: 85. During alignment motor with existing pump Using dial Indicator. The dial Indicator is put on rim…
A: Given:Dial indicator reading after rotating is.Formula used:The expression for the shim thickness is…
Q: Water is used to cool ethylene glycol in a 60-ft-long double pipe heat exchanger made of 4-std and…
A: Given,T1 = 180oFmw = 20 lbm/secmc = 30 lbm/sect1 = 60oFFrom Copper Tubing:4 - std => IDa = 0.3279…
Q: 6. The frame ACD is supported by ball-and-socket joints at A and D and by a cable that passes…
A: The load P is
Q: 19.2 The 4-lb slender bar is 2 ft in length. It started an initial position relative to the inertial…
A: Given a slender bar inclined at an angleand having the following properties; w=4lb L=2ft…
Q: The A-36 steel wire AB has a cross-sectional area of 5 mm2 and is unstretched when θ=45.0∘ Determine…
A: Material: A-36 steelCross-sectional area: 5 mm2 = 0.005 m2Unstretched angle: θ = 45.0°when…
Q: Problem 4: Consider the flow field formed by combining a uniform flow in the positive x direction…
A: Given Data:Flow field: Combination of a uniform flow in the positive x direction and a source…
Q: Q5/ A convergent- divergent nozzle has a ratio of exit to throat areas of 1.6 (arca ratio). This…
A:
Q: You do a series of tensile tests on plates of a magnesium alloy that have been subjected to prior…
A: Given:To find:Yield strength
Q: ater, determine the spe roperty data at the indic ates. In each case, locat ato on clotahor of.
A:
Q: A circular shock absorber, as shown in the figure below, is designed to support a set of sensitive…
A: Force applied (F): 1500 NDiameter of aluminum circular bar (d1): 5 mmDiameter of hollow circular…
Q: the fluid in a pitot tube is mercury (sg = 13.6) having deflection of 30 cm. calculate the rate of…
A:
Q: If W = 550 lb, determine the force supported by members ABCD, ECF, and GBF. The force supported by…
A: In the structure shown, cable segment ED and member ECF are horizontal.If W= 550 lb,Determine the…
Q: P2: The 50-lb rectangular access door is held in the 90° open position by the single prop CD.…
A: Given:Mass = 50 lbAngle = 90 0
Q: A pipe line of length 2000 m is used for power transmission. If 110 kW power is to be transmitted…
A: The length of the pipe = 2000 mpower transmitted to the pipe, P = 110 kW =110000 Wwater pressure in…
Q: For the frame and loadings shown P=2240 KN, and F=1120 magnitude of horizontal reaction at C…
A: P=2240 KN, and F=1120Findmagnitude of horizontal reaction at Cmagnitude of horizontal reaction at A
Q: QUESTION 2 The system shown in the figure consists of two bodies and three springs that may be set…
A: Given Data:Masses and Spring Constants:Mass of the first system (M1): 85 kgMass of the second system…
Q: The 3.6-kg collar is released from rest at A and slides down the inclined fixed rod in the vertical…
A: The coefficient of kinetic friction is .The initial velocity of collar is zero.The mass of collar is…
Q: A “swing ride” is shown in the figure. For b=2.2 m , L=5 m and θ=41o ,neglect the mass of the cables…
A: Given-b=2.2 m L=5 m θ=41o Mass of (chair + person) m=25 kgTo Find-1.Radius of horizontal circle…
Q: A 10 ton screw jack with a size of 2 ¾ - 3 acme thread. Assuming =0.125 due to average quality…
A: Load, Pitch for a single thread, Pitch for a double thread,
Q: Ocean thermal energy conversion (OTEC) plants use the temperature difference in the ocean (80°F at…
A: It is asked to find the condensation coefficient based on the inside tube area
Q: Design a method for measuring the friction between a rubber seal and a syringe. (please bold answer)
A: It works on the pressure difference mechanism inside the barrel and atmosphere or dipped in the…
Q: from The water in a large tank exits through a horizontal circular pipe of diameter D=0.01m and…
A: Given:Assumption:Flow entrance to pipe is smooth and there are no minor losses.Flow in the pipe is…
Step by step
Solved in 4 steps with 43 images
- The only possible dimensionless group that combines velocityV , body size L , fl uid density ρ , and surface tensioncoeffi cient σ is( a ) L ρσ / V , ( b ) ρ VL 2 / σ , ( c ) ρσ V 2 / L , ( d ) σ LV 2 / ρ ,( e ) ρ LV 2 / σWhen fluid in a pipe is accelerated linearly from rest, itbegins as laminar flow and then undergoes transition toturbulence at a time t tr that depends on the pipe diameterD , fluid acceleration a , density ρ , and viscosity μ .Arrange this into a dimensionless relation between t trand D .A sample of powdered zinc oxide, density 5.60g/cm 3 , is allowed to settle under the accelerationof gravity, 981 cm/sec 2 , at 25 25°C. The rate ofsettling, v, is 7.30 ×10 3 cm/sec; the density ofthe medium is 1.01 g/cm 3 , and its viscosity is 1centipoise = 0.01 poise or 0.01 g/cm sec.Calculate the Stokes diameter of the zinc oxidepowder.Problem:
- A dimensionless combination of variables that is important in the study of viscous flow through pipes is called the Reynolds number, Re, defined as ???/? where, as indicated in Fig. 11, ? is the fluid density, V the mean fluid velocity, D the pipe diameter, and the fluid viscosity. A Newtonian fluid having a viscosity of 0.38 ? . ?/?² and a specific gravity of 0.91 flows through a 25‐mmdiameter pipe with a velocity of 2.6 ?/?. Determine the value of the Reynolds number using (a) SI units, and (b) BG units.Define the following dimensionless group number in fluid mechanics, a)Interpretation of force ratio, and what types of application. b)Reynolds number (Re) c)Euler number (Eu) d) Mach number (Ma) e) Weber number (We)An important parameter in certain types of fluidflow problems when a free surface is present is the Froudenumber (Fr), which can be expressed in equation form.where p is the density of the fluid, v is a velocity, L is alength, and w is the specific weight of the fluid. Show thatthe Froude number is dimensionless.
- By dimensional analysis, obtain an expression for the drag force (F) on a partially submerged body moving with a relative velocity (u) in a fluid; the other variables being the linear dimension (L), surface roughness (e), fluid density (p), and gravitational acceleration (g).Using primary dimensions, verify that the Rayleigh number is indeed dimensionless. What other established nondimensional parameter is formed by the ratio of Ra and Gr?The height H that fluid rises in a liquid barometer tubedepends upon the liquid density ρ , the barometric pressurep , and the acceleration of gravity g . (a) Arrange these fourvariables into a single dimensionless group. (b) Can youdeduce (or guess) the numerical value of your group?
- In studying sand transport by ocean waves, A. Shields in1936 postulated that the threshold wave-induced bottomshear stress τ required to move particles depends on gravityg , particle size d and density ρ p , and water density ρ andviscosity μ . Find suitable dimensionless groups of thisthe problem, which resulted in 1936 in the celebrated Shieldssand transport diagram.Under laminar conditions, the volume flow Q through asmall triangular-section pore of side length b and length Lis a function of viscosity μ , pressure drop per unit length∆p / L , and b . Using the pi theorem, rewrite this relation indimensionless form. How does the volume flow change ifthe pore size b is doubled?When fluid in a pipe is accelerated linearly from rest, it begins as laminar flow andthen undergoes transition to turbulence at a time ttr which depends upon the pipe diameter D,fluid acceleration a, density ρ, and viscosity µ. Arrange this into a dimensionless relationbetween ttr and D.