Casting, Forming and Welding I Practice Test 5

1. Which of the following materials has superior strength and rigidity at high elevated temperature?

2. Ring gates retain slag.

3. To achieve useful strength of the material at temperatures of 1000-1600 ⁰C, what should be the melting point temperature of the material?

4. Which of the following terms is modified in the integrated energy balance equation for non-uniform velocity distribution?

5. Which of the following materials require a longer pouring time?

6. Incoming air pressure and quantity in cupola furnace are controlled by which of the following element?

7. When do we need more number of risers during casting?

8. Which of the following gate is also called as ‘drop gate’?

9. Which of the following reasons stand for the crumbling of green sand mould?

10. In solidification of a riser, which of the following cannot be used for insulation?