Answer / anil kamat

wax

Answer / plnde

wax

Answer / karthick

the material is wax

Answer / amit k. singh

The pattern material used in investment casting is wax
which is later removed by heating the mould.

Answer / rodrigo

Most investment casting pattern materials are a blend of
waxes, resins and fillers among other stuff based on the
dimensional stability, dewaxability and surface adhesion to
primary coat.

what is anneling process ?

1 Answers   John Deere, L&T,

1. What will happen if the armature rheostat is not in maximum position while starting the motor? 2. What will happen if the armature resistance is in minimum position and the eld resistance is in maximum position while starting the motor? 3. How do you reverse the direction of rotation of a DC motor? 4. If the armature connection and the eld connection both are reversed, does the direction of rotation of the motor reverse?

2 Answers  

13. What are the different types of fits

2 Answers   Amul,

Which reactor uses primary coolant as fluoride salts of lithium, beryllium, thorium and uranium ?

0 Answers  

Tell me about a suggestion you have made

1 Answers   Petro Star Mount,

what is mist lubrication?give examples where it is used?

1 Answers  

Distinguish between creep and fatigue.

0 Answers  

List the different devices and components of main switchboard.

0 Answers   RRB,

When is the maximum load on the lift/elevator,during ascending or descending?Explain.

5 Answers   MN Dastur, SPL,

why we are maintain boiler ph 9.0,not maintain 10.0 or 11?

2 Answers  

Why is a condensor used in a rankine cycle?

8 Answers   BARC, Bhavini,

What will be the cause of the loose compression in a cylinder?

1 Answers   RRB,