Engineering

Mechanical EngineeringQ&A LibraryAn annulus of narrow clearance causes a very largepressure drop and is useful as an accurate measurementof viscosity. If a smooth annulus 1 m longwith a = 50 mm and b = 49 mm carries an oil flow at0.001 m3/s, what is the oil viscosity if the pressuredrop is 250 kPa?Start your trial now! First week only $4.99!*arrow_forward*

Question

An annulus of narrow clearance causes a very large

pressure drop and is useful as an accurate measurement

of viscosity. If a smooth annulus 1 m long

with a = 50 mm and b = 49 mm carries an oil flow at

0.001 m^{3}/s, what is the oil viscosity if the pressure

drop is 250 kPa?

Tagged in

Engineering

Mechanical Engineering

Find answers to questions asked by students like you.

Q: The jib crane supports a load of 750 lb from the trolly which rides on the top of the jib. Determine...

A: Click to see the answer

Q: A steel penstock has a 750-mm outer diameter, a 12-mm wall thick-ness, and connects a reservoir at A...

A: Given data: Outer diameter of penstock, d0 = 750 mm Thickness of the penstock, t = 12 mm Density of ...

Q: A grist mill of the 1800s employed a waterwheel that was 14 m high; 480 L/min of water flowed onto t...

A: Given: The height of the water wheel is H=14 m. The volume flow rate of the water on the wheel is V=...

Q: *14-76. The spring has a stiffness k = 50 N/m and an unstretched length of 0.3 m. If it is attached ...

A: Given Data: The stiffness of the spring is k = 50 N/m. The unstretched length of the spring is t = ...

Q: Oil [μ = 0.1 kg/(m . s), SG = 0.9] fl ows through a 50-mlongsmooth 8-cm-diameter pipe. The maximum p...

A: Given: The specific gravity of the oil is S =0.9 The dynamic viscosity of the oil is µ=0.1 kg/m.s Th...

Q: For the bracket and loading of Prob. 4.7, determine the smallest distance a if the bracket is not to...

A: When bracket is not to move, the reaction force at A will be zero i.e. the bracket will be in equili...

Q: A compressed liquid may be approximated as a saturated liquid

A: Any fluid is considered as a compressed fluid if it is at a temperature lower than the saturation ...

Q: Water in a horizontal channel accelerates smoothly overa bump and then undergoes a hydraulic jump, a...

A: Given data: *The height of the water at the point 1 is y1=1 m. *The height of the water at the point...

Q: The cable has a specific weight g (weight/volume) and cross-sectional area A. Assuming the sag s is ...

A: Given Data: Weight per volume of the cable is: g (weight/Volume)

Q: 5-7 Locate the center of gravity for the five particles shown in Fig. 5-5 if WA- 15 lb, Wg = 24 lb, ...

A: Click to see the answer

Q: A bolt located 50 mm from the center of an automobile wheel is tightened by applying the couple show...

A: Given data: Distance from the centre, d = 50 mm Time, t = 0.10 s Mass of wheel, m = 19 kg Radius of ...

Q: 3-11 Detormine the forces in cables A and B if block Wof Fig. P3-11 weighs 350 Ib.

A:

Q: 7-14. The boom DF of the jib crane and the column DE have a uniform weight of 750 N/m. If the hoist ...

A: Draw the free-body diagram of the section AF.

Q: The solid shaft is subjected to the distributed and concentrated torsional loadings shown. Determine...

A: Draw the free body diagram of the loaded shaft and find the reaction torque at C. Take the clock wi...

Q: For the frame and loading shown, determine the components of the forces acting on member CFE at C am...

A: Drawing the FBD of the figure, Taking moment about D,

Q: A fan is to accelerate quiescent air to a velocity of 8 m/s at a rate of 9 m3 /s. Determine the mini...

A: Given: The velocity of the quiescent air is v=8 m/s The volume rate of the quiescent air is V=9 m3/s...

Q: Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ/h. Determ...

A: Given: The temperature of the thermal reservoir is T1=1500 K. The temperature of the environment is ...

Q: Four tugboats are bringing an ocean liner to its pier. Each tugboat exertsa 5000-lb force in the dir...

A: Given: The force exerts by tugboats, F = 5000 lb (a) The free body diagram for the tug boats is give...

Q: 4-14. The man uses the hand truck to move material up the step. If the truck and its contents have a...

A: Given data: The truck and its contents have a mass is m=50 kg. The centre of gravity is G. Apply e...

Q: The aluminum rod BC (G= 26 GPa) is bonded to the brass rod AB(G= 39 GPa). Knowing that each rod is s...

A: Given data: *The torque on the rod is T=100 Nm. *The diameter of the aluminium and brass rod is d=12...

Q: For the series/parallel pipe system shown below find the missing discharges Q, Q, and the head loss ...

A: Click to see the answer

Q: Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75 ...

A: Given, P1=7 MPa T1=500°C V1= 45m/s P2 = 100 kPa=0.1Mpa V2= 75 m/s W=5 MW=5000 KW ηisentropic= 77%=0....

Q: Oil at 20°C is flowing through a vertical glass funnel that consists of a 20-cm-high cylindrical res...

A: Given: The diameter of pipe = 1 cm The height of cylindrical reservoir = 20 cm The height of the pip...

Q: P39. If column AB is made from high strength pre-cast concrete and reinforced with four 20 mm diamet...

A: Given data: Load applied , P = 350 kN. Diameter of steel rods, d = 20 mm Length , l = 3m Calculat...

Q: 17-105. If the coefficient of static friction between the 50-lb roller and the ground is u, = 0.25, ...

A: Click to see the answer

Q: A self-priming centrifugal pump is used to pump water at 25°C from a reservoir whose surface is 2.2 ...

A: The data given is, Diameter, D = 26 mm = 0.026 m Length, L = 2.8 m Total minor losses, KL = 0.85 + ...

Q: Express Newton’s first, second, and third laws.

A: Newton’s 1st law of motion: This law can also be called as law of inertia. It states that an object ...

Q: The reservoirs in Fig. contains water at 208C. If thepipe is smooth with L = 4500 m and d = 4 cm, wh...

A: The temperature of the water in the reservoir is T=208 C. The length of the pipe is L=4500 m. The di...

Q: Consider a typical centrifugal liquid pump. For each statement, choose whether the statement is true...

A: (a) At the point of maximum volume flow rate (V̇), the net head of the pump will be zero since the n...

Q: A ship is 150 m long and has a wetted area of 5000 m2.If it is encrusted with barnacles, the ship re...

A: For seawater at 20ºC , take p=1025 kg/m3 v=0.00107 Kg/m.s. Convert 15kn=7.72 m/s. Now determine the...

Q: Steam is compressed by an adiabatic compressor from 0.2 MPa and 150°C to 0.8 MPa and 350°C at a rate...

A: Click to see the answer

Q: The solid shaft has a linear taper from rA at one end to rB at the other. Derive an equation that gi...

A: Draw the schematic diagram of the shaft.

Q: A gas initially at a subsonic velocity enters an adiabatic diverging duct. Discuss how this affects ...

A: (a) When a gas is flowing at the subsonic velocity and passed through a diverging duct, its velocity...

Q: Knowing that the allowable normal stress for the steel used is 160 MPa, select the most economical S...

A: Given data: *The allowable normal stress of the steel is σall=160 MPa. *The load applied at the poin...

Q: A double-tank system in Fig. has two identical convergingnozzles of 1-in2 throat area. Tank 1 is ver...

A: Given data: Initial temperature, T0 = 5200R Pressure at point 1, P1 = 100 lbf/in2 Throat area of con...

Q: Explain dimensional analysis to me please

A: Dimensional analysis is the analysis of relationship between different physical quantities. The dime...

Q: Show that the volume expansion coefficient of an ideal gas is B=1/T, where T is the absolute tempera...

A: Assumption Pressure is constant ( P = C ) We know that change in volume due to thermal expansion i...

Q: A Carnot refrigeration cycle is executed in a closed system in the saturated liquid–vapor mixture re...

A: Given data

Q: A 1.62-oz golf ball is hit with a golf club and leaves it with a velocity of 100 mi/h. We assume tha...

A: Click to see the answer

Q: Gasoline at 20°C flows at 105 m3/h in a 10-cm-diameterpipe. We wish to meter the flow with a thin-pl...

A: Given data: The discharge of the gasoline is Q=105 m3/h. The diameter of the pipe is d=10 cm. The pr...

Q: For the beam and loading shown, determine the range of the distance a for which the reaction at B do...

A: Assuming reaction RB positive when directed upwards Taking net moment about D

Q: Define the coefficient of performance of a heat pump in words. Can it be greater than unity?

A: It is a mathematical approach which explains the work-ability of the heat pump. It depends on the wo...

Q: Water at 20°C flows past a 1-m-diameter circular cylinder.The upstream centerline pressure is 128,50...

A: Given data as per the question The diameter of pipe = 1 m Centerline pressure = 28500 pa For water a...