Describe dry and wet parting materials, Mechanical Engineering

Assignment Help:

Q. Describe Dry and wet parting materials?

Dry parting materials: These are applied by dusting. These include : charcoal, ground bone and limestone, lycopodium(a yellow vegetable matter), tripolite(a silicate rock), ground nut shells, Talc(Magnesium silicate,3MgO,4SiO2.H2O)and Calcium phosphate.

Wet parting materials: These are not used with wooden patterns, but are used mostly in machine moulding when metal patterns are used. They are wax based preparation, petroleum jelly mixed with oil, paraffin and stearic acid.


Related Discussions:- Describe dry and wet parting materials

Basic requirements of a control scheme of steam generators, Q. Basic requir...

Q. Basic requirements of a control scheme of steam generators? The basic requirements of a control scheme are: • Master steam pressure control by feedback to the water flow

Determine the heat addition, Describe carburetion. What are the basic diffe...

Describe carburetion. What are the basic different air-fuel mixture on which an engine can be operated ? Write a short note on sterling cycle. In an engine working on inlet pres

Dynamic Force Analysis, How to determine Forces and Torque of slider crank ...

How to determine Forces and Torque of slider crank mechanism?

Stress and strain, Draw and also explain the stress strain diagram for the ...

Draw and also explain the stress strain diagram for the following materials a) Copper b) Ductile Materials c) Rubbers and Elastomers and d) Brittle materials.

Evaluate the support required by body on plane, Evaluate the Support requir...

Evaluate the Support required by body on plane: A body having weight 50KN rests in limiting equilibrium on rough plane, whose slope is 30º. The plane is raised to a slope of

Define edm machine under varying cutting condition, EDM Machine under varyi...

EDM Machine under varying Cutting Condition a) All the experiments have been conducted on a Z numerically controlled (NC) oil die- sinking EDM Machine. b) The EDM Machine is

Introduction to basic troubleshooting of motorcycle , INTRODUCTION: Previo...

INTRODUCTION: Previously, you studied about the repairing some parts of a motorcycle. In this unit, we shall mainly emphasise on the troubleshooting of the basic problems. This un

Boiler, What is scale formation in case of a boiler

What is scale formation in case of a boiler

Explain the height adjustment and extension of augers, Normal 0 ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

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