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

COMPRESSOR PROBLEM FROM CUSTOMER, OUR CUSTOMER HAD APROBLEM WITH OUR CUSTO...

OUR CUSTOMER HAD APROBLEM WITH OUR CUSTOMER ,AND ME AS AMECHANICLAL ENGINEER FOUND THE PROBLEM

What is hydraulic press, (i) Hydraulic press:   This can be used...

(i) Hydraulic press:   This can be used to lift a heavy load placed on the platform of larger piston or to press the things placed among the piston and the heavy platfor

Thormodynamics, define thormodynamics and its laws

define thormodynamics and its laws

Storage and handling of epoxy powder, Q. Storage and Handling of Epoxy Powd...

Q. Storage and Handling of Epoxy Powder? Coating materials shall be stored, handled and applied in strict accordance with procedures as outlined by the coating manufacturer, ex

What kinds of pipes are used for steam lines, Normally galvanized pipes are...

Normally galvanized pipes are not used for steam. Mild steel with screwed or welded fittings are the norm. Pressure and temperature are very significant factors to be considered in

Points of contraflexure, Points of Contraflexure: Assume M 1 , M 2 , ....

Points of Contraflexure: Assume M 1 , M 2 , . . . and M 6 be the points of contraflexure, where bending moment changes sign. To determine the position of M 2 , let a section

Calculate heat transfer through cylinder wall, Calculate Heat transfer thro...

Calculate Heat transfer through cylinder wall: Calculate change in entropy and heat transfer through cylinder walls, if 0.4m 3 o f a gas at the pressure of 10bar and 20

Employability skills, Employability skills required for effective employmen...

Employability skills required for effective employment

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