Explain sand and moulding sands, Mechanical Engineering

Assignment Help:

Q. Explain Sand and moulding sands?

Sand according to the amount of clayey matter they contain, the moulding sands are classified as:

• Silica sand: Up to 20% clay.
• Lean or weak sand: 2 to 10% clay
• Moderately strong sand: 10 to 20% clay
• Strong sand: Up to 30% clay
• Extra strong sand: Up to 50% clay.

There are three types of sand used for making moulds: natural, synthetic and chemically coated.


Related Discussions:- Explain sand and moulding sands

Process of corrosion in bfw tank, Q. Process of Corrosion in BFW Tank? ...

Q. Process of Corrosion in BFW Tank? The feed to the BFW Tank is hot and will be flashing when it enters the tank. The vapours will be corrosive when the tank is open to atmosp

Determine tension in the rope - motion of lift, Determine tension in the ro...

Determine tension in the rope: An elevator cage of mineshaft, weighing 8KN when, is lifted or lowered by means of wire rope. Once man weighing 600N entered it and lowered wit

Vibration, A bump/impact test is a simple technique used to determine a str...

A bump/impact test is a simple technique used to determine a structure’s natural frequency. Sketch a typical time wave response curve of such a test, then label the impact point an

Find out deflection under the load, Find out Deflection under the load: ...

Find out Deflection under the load: A beam of span 4 m is subject to a point load of 20 kN at 1 m from the left support and a Udl of 10 kN/m over a length of 2 m from the righ

Compute the force in the rod, Compute the force in the rod: A rod ABC ...

Compute the force in the rod: A rod ABC rotating at 20 rpm about a vertical axis through A, supports a ball of mass 10 kg at its lower end. It is fixed in position by the rod

Alternating current -fundamentals of electricity , Alternating Current ( A...

Alternating Current ( AC ) : The electricity whose direction changes at regular interval is known as alternating current. I

Show the coating application, Q. Show the Coating Application? Immediat...

Q. Show the Coating Application? Immediately following surface preparation, the cleaned pipe shall be uniformly preheated by a non-contaminating method to the application tempe

Locomotive boilers, advantages and disadvantages of locomotive boilers

advantages and disadvantages of locomotive boilers

Theoretical results-conventional priority rules, Theoretical Results I...

Theoretical Results In the particular machine case, several theoretical results are identified or can be derived: (a) If each operation can be scheduled such that everyone

MRP 1, Advantages and disadvantages

Advantages and disadvantages

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