How can you implement permeability test, Mechanical Engineering

Assignment Help:

Q. How can you implement Permeability test 

As already defined, permeability of porosity of the moulding sand is the message of its ability to permit air to flow through it. It is measured in terms of "Permeability number." In this test, a test specimen of moulding sand (50.8 mm dia. × 50.8 mm long) is placed in a tube. Time taken for 2000 cm3 of air at a pressure of 10 g/cm3  to pass through the specimen is noted. Then, the permeability number is given as:

P = V × h

p ×A× t

Where,                   P = Permeability number

V = Volume of a air passing through test

Specimen

h = Height of specimen p = Pressure of air

A = Cross-sectional area of specimen

t = time taken by air to flow through the

Specimen

Under standard conditions, the formula becomes

P   = 2000 × 5.08

10 × ?/4 × (5.08)2 × t

= 50.128/t


Related Discussions:- How can you implement permeability test

Which three principal possible in radial drilling machine, Which three prin...

Which three principal possible in radial drilling machine Between them the plain drill machine, three principal movements are possible in this type of machine, by vertical move

The percentage elongation of the metal-stress , Question 1 A metal rod h...

Question 1 A metal rod has a diameter of 8.74 mm and supports a load of 24.6 kN. Calculate the value of true stress on the rod. The diameter was measured with the load already a

Prove the bending equation, Can you give me the Prove of the bending Equati...

Can you give me the Prove of the bending Equation M/I=E/R=σ/Y

Two possible materials for casing, Two Possible Materials for Casing T...

Two Possible Materials for Casing Two possible materials for the casing would be a. Polypropylene or b. An aluminium 1/3 per cent silicon-casting alloy (LM6). Conclu

The velocity distribution in the gap is linear, A 10 kg block slides down a...

A 10 kg block slides down a smooth inclined surface as shown in Figure. Show the terminal velocity of the block if the 0.1 mm gap among the block and the surface have SAE30 oil at

the entropy change of the universe, Two insulated and identical tanks are ...

Two insulated and identical tanks are filled with nitrogen.  One tank is at 1 bar, 250 o C and the other is at 5 bar, 25 o C.  If the two tanks are connected with a pipe and the v

Work, proof of work being a path function

proof of work being a path function

Energy accelerated, Ask question EMC#Minimum 100 words accepted#

Ask question EMC#Minimum 100 words accepted#

Answer , define spring stiffness

define spring stiffness

Statics, what are the applications of statics in engineering

what are the applications of statics in engineering

Write Your Message!

Captcha
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