Assume no frictional losses and recognize that the pressure

Assignment Help Mechanical Engineering
Reference no: EM13620423

The volume flow rate of metal into a mold is .025m^3/min. The top of the sprue has a diameter of 20mm and its length is 200mm. Recall, g=9.81m/s^2.

Assume no frictional losses and recognize that the pressure at the top and bottom of the sprue is atmospheric.

Assume to prevent aspiration, the sprue opening should be such that it is the same required by flow continuity.

(A) What diameter should be specified at the bottom of the sprue to prevent aspiration?

(B) What is the resultant velocity and Reynolds number at the bottom of the sprue is the metal being cast is aluminum with viscosity of .004Ns/m^2 and density of 2700kg/m^3. From the Reynolds number, describe the flow of the metal in terms of laminar/turbulent flow.

Reference no: EM13620423

Questions Cloud

A stone of mass m is tied to one end of a string ans is : a stone of mass m is tied to one end of a string ans is rotated with constant angular vel. w. the length of the string
What changes have occurred in the human service sector that : what changes have occurred in the human service sector that have made government and private contributors more
A sample of 40 children with chronic bronchitis are studied : peak expiratory flow pef is a measure of a patientotildes ability to expel air from the lungs. patients with asthma or
The three forms of the research or alternative hypothesis : the three forms of the research or alternative hypothesis area. high low and neutralb. increased decreased or changedc.
Assume no frictional losses and recognize that the pressure : the volume flow rate of metal into a mold is .025m3min. the top of the sprue has a diameter of 20mm and its length is
Multivariable methods can account for variables that are : multivariable methods can account for variables that are not known during the course of the study?a. trueb.
Two independent samples require a dichotomous outcomes : two independent samples require a dichotomous outcomes variablea. trueb.
Two identical capacitors are connected in parallel to an : two identical capacitors are connected in parallel to an ac generator that has a frequency of 650 hz and produces a
Mr davidson should prepare his 2013 tax filings in early : mr. davidson plans to buy a new house in october 2013. the sale price of the house is 436000. he plans to pay 20 down

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Compute the mass rate of cold water required in kgmin if

a geothermal vapor compression heat pump maintains the inside air supply of a building at 30 degc and operates with the

  Calculate the required heat transfer to or from the reactor

it is highly desirable to make benzene from ethane from shale gas in a continious vapor-phase reaction3c2h6 --gt c6h6

  How to calculate the adiabatic flame temperatures

how to calculate the adiabatic flame temperatures from the injection pressures during choked conditions.

  A rankine cycle steam plant operates between the pressures

a rankine cycle steam plant operates between the pressures of 15 mpa and 6 kpa. steam exiting the boiler is 550 degrees

  Explain temperature effect on materials

Temperature Effect on Materials (i) A hollow cylinder of aluminium 1 m long with a 40 mm outside diameter is at a temperature of 20 °C. What is the change in length and circumference of the cylinder when it is cooled to â?'25 °C

  If solar radiation is incident on the spacecraft at a rate

would a flagpole made of steel or aluminum freeze ones tongue to it faster? why? thermal conductivity 2. the outer

  If an ice cube one inch on a side is placed in the box and

the walls of an insulated lunch box are made of inch-thick styrofoam with a thermal conductivity of 0.05wmk. if an ice

  Define geometric angle of attack

Geometric angle of attack, The Piper Cherokee has a wing area of 170 ft2 and a wing span of 32 ft. Its maximum gross weight is 2450 lbs. The wing uses a NACA 65-415 airfoil, which has a lift slope of 0.10331deg^-1 and alpha(L=0)= -3.0deg. Assume th..

  Describe the high speed machining of steel

Describe the machinability evaluation criteria, is it a quantitative or qualitative evaluation and describe the High Speed Machining of Steel/Iron or Aluminium

  An electric moter drivers an axial fan assuming that the

an electric moter drivers an axial fan assuming that the desired air velocity 65degree f existing the fan is 50mph and

  Estimate the diameter of an aluminum atom given that the

estimate the diameter of an aluminum atom given that the density is 2.7 gramscubic centimeter and the atomic mass is

  Calculate assume constant specific heat of cp024 btulbmr

consider an ideal simple gas turbine cycle. for a net power output of 10000 horse power an inlet air temperature of

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd