Helium has a molecular weight of 4.003. What is theweight of 2 m 3 of helium at 1 atm and 20 ° C?( a ) 3.3 N, ( b ) 6.5 N, ( c ) 11.8 N, ( d ) 23.5 N, ( e ) 94.2 N
Q: Using II-Theorem method to Express (n) in terms of dimensionless groups.Th iency (n) of a fan…
A:
Q: Q2) A) Apply the principle of dimensional analysis to the problem of a screw propeller and assume…
A:
Q: A block of wood (SG = 0.6) fl oats in fl uid X in Fig.such that 75 percent of its volume is…
A: Calculate the density of the fluid X. Weight of body = weight of fluid X displaced + weight of air…
Q: When a person ice skates, the surface of the ice actuallymelts beneath the blades, so that he or she…
A: Part a) Consider the skating edge and the water above the solid ice as a liquid between two parallel…
Q: The height H that fluid rises in a liquid barometer tubedepends upon the liquid density ρ , the…
A: Consider a function Express each of these dimensional variables in their dimensional form,
Q: A block of wood (SG = 0.6) floats in fluid X such that 75 percent of its volume is submerged in…
A: Given data: SG=0.6 Need to determine the vacuum pressure of the air in the tank.
Q: The thrust P of a propeller depends upon diameter (D); speed (u) through a fluid density (p);…
A: Given data: P = f (D,u,N,ρ,μ) To determine: The above mentioned non-dimensional correlation
Q: Incompressible air (density=1.2 kg/m3) flows around the car, if the pressure coefficient at point A…
A: Given data:
Q: ensity, p = 1.20 kg/m³ and the air dynamic viscosity, µ = 1.80 x 10$ kg/m•s. = freestream velocity,…
A:
Q: Question 3 a. For the pressure vessel containing glycerin, with piezometer attached as shown, what…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: Linear velocity profile in the liquid between infinite parallel plates as shown. u = 0.65 cp SG =…
A: as per guideline I have to solve only 3 subpart of your question . kindly repost the remaining…
Q: A gas at 20 ° C may be considered rarefi ed, deviating fromthe continuum concept, when it contains…
A:
Q: A dimensionless combination of variables that is important in the study of viscous flow through…
A: Given: The dynamic viscosity is 0.38 Ns/m2. the specific gravity is 0.91. The diameter of the pipe…
Q: For the Figure, the cover gate AB closes a circular opening 140.3 cm in diameter. The minimum mass…
A: Given data Circular opening diameter = 140.3 cm = 1.403 m h = 102 cm = 1.02 m
Q: Consider a soap bubble of diameter 3 mm. If the surface tension coefficient is 0.072 N/m and…
A: Given Data diameter=3mm radius =1.5mm=0.0015m P0=0Kpa σ=0.072 N/m
Q: The variables in a Saybolt viscometer are the time (t) required to empty a certain volume of oil of…
A: The dimensional formula for each variable is shown below.
Q: SAE 10 oil at 20 ° C fl ows between parallel plates 8 mmapart, as in Fig. P4.86. A mercury…
A: Given Oil temperature = 20 C Pressure taps = 1 m Register = 6 cm = 0.06 m To find Flow rate of oil
Q: Q4: Mass 0.7 kg used in laboratory in dead weight experimental, the gauge reading pressure 20.2 psi,…
A: Since we solve only one question at once, we will solve the first. Please submit the question again…
Q: The belt in Fig. P1.52 moves at a steady velocity V andskims the top of a tank of oil of viscosity μ…
A: This numerical is based on the Dimensional Analysis area. Dimensional Analysis technique is widely…
Q: The Stokes-Oseen formula for drag force F on a sphere of diameter D in a fluid stream of low…
A: Given data F = 3πμDV +9π16ρV2D2
Q: A 5-m-diameter balloon contains helium at 125 kPaabsolute and 15 ° C, moored in sea-level standard…
A: Given: The diameter of the ballon is d=5 m. The pressure of the helium is P=125 kPa. The temperature…
Q: A smooth sphere of diameter d is dropped into a calm ocean. Data: d = 20 cm; Sphere material's…
A: Given that, Diameter of sphere, d=20 cm,Density of sphere, ρsm=3000 kg/m3Density of sea water,…
Q: A 2.5-cm-diameter horizontal water jet with a speed of 6.4 m/s hits a wall. What is the force, F, in…
A: Find the force in wall.
Q: Q1) Under laminar conditions, the volume flow rate Q through a small triangular-section pore of side…
A:
Q: The Archimedes number, Ar, used in the flow of stratifiedfluids, is a dimensionless combination of…
A:
Q: Turbine An aircraft pulls a banner as shown below. The aircraft speed is 144 km/h. The banner is 25…
A: Write the given data. v=144 km/h=144 km/h518=40 m/sl=25 mh=4 mρ=1.2 kg/m3ν=1.6×10-5 m2/s
Q: In Bourdon Gauge experiment, if the mass of the piston is 340 gr and mass of the platform is 173 gr,…
A: Mass of piston = 340 gr Platform mass = 173 gr Absolute pressure error = 218.9 Pa
Q: The Ekman number, important in physical oceanography,is a dimensionless combination of μ , L , ρ ,…
A: The Ekman number can be represented as follows: E=fμ,L,ρ,Ω
Q: Incompressible air (density=1.2 kg/m3) flows around the car, if the pressure coefficient at point A…
A: Given data:
Q: Early mountaineers boiled water to estimate their altitude. If they reach the top and find that…
A: At h altitude water boil at 84 degree Celsius use table to find out the vapor pressure at 84 degree…
Q: Early mountaineers boiled water to estimate their altitude.If they reach the top and fi nd that…
A:
Q: A solid block, of specific gravity 0.9, floats such that 75 percent of its volume is in water and 25…
A:
Q: Incompressible air (density=1.2 kg/m3) flows around the car, if the pressure coefficient at point A…
A:
Q: A compressed-air tank holds 5 ft 3 of air at 120 lbf/in 2“gage,” that is, above atmospheric…
A: Given: The atmospheric pressure is Patm=1 atm. The gage pressure is Pgage=120 lbf/in2. The volume of…
Q: A solid cylinder of diameter D, length L, and density p, falls due to gravity inside a tube of…
A: The weight of the cylinder can be expressed as,
Q: For most gases at standard or near standard conditions, the relationshipamong pressure, density, and…
A: Given: The value of R is R=287 J/kg∙K=1716 ft∙lb/slug∙⁰R. Part (a) The expression for the perfect…
Q: Suppose a car accelerates at 6.5 m/s2. What is that in ft/hr2 ? Give your answer in scientific…
A: Acceleration = 6.5 m/s2 meter into ft :- 1 m = 3.281ft Second into hr :- 1s =0.000277778 hr
Q: Find a non-dimensionless expression relates h with the other given variables by using Buckingham…
A:
Q: The lift on a spinning circular cylinder, in a freestream with a velocity of 10m/s, is measured as…
A: Given data: V∞=10 m/sH=10,000 ft Need to compare the values of L1 and L2.
Q: b) When tested in water at 20°C flowing at 2 misAlan 8 cm diameter sphere has a measured drag force…
A:
Q: In studying sand transport by ocean waves, A. Shields in1936 postulated that the threshold…
A: Shear stress depends on gravity, particle size, density of the particle, density of water, and…
Q: When disturbed, a floating buoy will bob up and down atfrequency f . Assume that this frequency…
A: (a) The given dimensionless function: - Assume,Frequency, f=fncm,d,γWhere m is mass of buoy,d is…
Q: A flow from an injector is leading to the formation of a spray of liquid drops. The drops formed in…
A:
Q: The only possible dimensionless group that combines velocityV , body size L , fl uid density ρ , and…
A: Write the dimensions of velocity is . Write the dimensions of body size is . Write the dimensions…
Q: A 256 Hz sound wave in air (density 1.20 kg/m^3, speed of sound 344 m/s) has intensity 4.50×10^−8…
A: We know that the pressure amplitude is independent of frequency....
Q: Derive on an expression for the propeller thrust T, which depends on speed V, Dia. D, density p,…
A: It is required to derive an expression for propeller thrust which depends on speed, diameter,…
Helium has a molecular weight of 4.003. What is the
weight of 2 m 3 of helium at 1 atm and 20 ° C?
( a ) 3.3 N, ( b ) 6.5 N, ( c ) 11.8 N, ( d ) 23.5 N, ( e ) 94.2 N
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A hemispherical container, 26 inches in diameter, is filledwith a liquid at 20 ° C and weighed. The liquid weight isfound to be 1617 ounces. ( a ) What is the density of thefluid, in kg/m 3 ? ( b ) What fluid might this be? Assume standardgravity, g = 9.807 m/s 2 .A tremendous force is generated when waterfreezes into ice and expands in volume by 9.0%. Suppose a 1.000-m3cube of liquid water freezes into ice that is 1.000 m on a side by1.090 m tall. How many 68-kg students would the ice be able tolift? Determine this by calculating the amount of force on the top1.000-m2face that would be required to squeeze 1.090 m3of iceback to 1.000 m3, assuming all of the volume change occurs alongthe vertical directionWhen a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.
- For most gases at standard or near standard conditions, the relationshipamong pressure, density, and temperature is given by the perfect gasequation of state: p = ρRT, where R is the specific gas constant. For airat near standard conditions, R = 287 J/(kg · K) in the International System of Units and R = 1716 ft · lb/(slug · ◦R) in the English Engineering System of Units. Using the above information, consider the following two cases: a. At a given point on the wing of a Boeing 727, the pressure andtemperature of the air are 1.9 × 104 N/m2 and 203 K, respectively.Calculate the density at this point.b. At a point in the test section of a supersonic wind tunnel, the pressureand density of the air are 1058 lb/ft2 and 1.23 × 10−3 slug/ft3,respectively. Calculate the temperature at this point.A compressed-air tank holds 5 ft 3 of air at 120 lbf/in 2“gage,” that is, above atmospheric pressure. Estimate the energy, in ft-lbf, required to compress this air from theatmosphere, assuming an ideal isothermal process.A certain water flow at 20 ° C has a critical cavitationnumber, where bubbles form, Ca ≈ 0.25, where Ca =2( p a- p vap )/ ρ V 2 . If p a = 1 atm and the vapor pressure is0.34 pounds per square inch absolute (psia), for whatwater velocity will bubbles form?( a ) 12 mi/h, ( b ) 28 mi/h, ( c ) 36 mi/h, ( d ) 55 mi/h, ( e ) 63 mi/h
- The pilot of a Boeing 767 determines that a total of 22,300 kilograms of jet fuel is needed to fly from Montreal to Edmonton. A floatstick check finds that there is 11,133 litres of fuel already in the tanks. How much fuel, expressed in litres, must be added to the tanks? The density of jet fuel varies with temperature. For the prevailing conditions take the density of the jet fuel to be 0.803 kg/L or equivalently 1.77 lb/L.La Paz, Bolivia, is at an altitude of approximately12,000 ft. Assume a standard atmosphere. How highwould the liquid rise in a methanol barometer, assumedat 20 °C?A sea-level automobile tire is initially at 32 lbf/in2 gagepressure and 75 °F. When it is punctured with a hole that resemblesa converging nozzle, its pressure drops to 15 lbf/in2gage in 12 min. Estimate the size of the hole, in thousandthsof an inch. The tire volume is 2.5 ft2.
- Early mountaineers boiled water to estimate their altitude.If they reach the top and fi nd that water boils at 84 ° C,approximately how high is the mountain?Q2: The function relates the different variables in a capillary rise of a liquid is given by: h = f (d, g, ?, ?, ∅) where; h= capillary rise, d= tube diameter, ? = mass density, ? = surface tension; ∅ = contact angle Find a non-dimensionless expression relates h with the other given variables by using Buckingham theoremFluid mechanics, I need solutions in 15 minutes please. MCQ/Determine the horizontal and vertical components of the liquid pressure acting on the semicylindrical gate ABC, as shown in the figure. The width into the paper is 1 m. A-Fx = 257.430 kN and Fy = 59.801 kN B-Fx = 164.018 KN and Fy = 37.229 KN C-Fx = 269.894 kN and Fy = 65.526 KN D-Fx = 98.182 kN and Fy = 20.002 KN E-Fx = 234.789 kN and Fy = 52.418 kN F-Fx = 187.005 kN and Fy = 42.182 KN G-Fx = 119.956 kN and Fy = 25.550 KN H-Fx = 141.327 kN and Fy = 31.171 KN I-Fx = 288.147 kN and Fy = 69.098 KN J-Fx = 213.112 kN and Fy = 47.903 KN