Explore topic-wise MCQs in Foundry.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Foundry knowledge and support exam preparation. Choose a topic below to get started.

1.

Limestone removes sulphur from cast iron.

A. True
B. False
Answer» B. False
Discussion
2.

In the foundry, the electric furnaces cannot operate for high temperatures.

A. True
B. False
Answer» C.
Discussion
3.

_____________ protects molten metal from atmosphere in the foundry.

A. Pattern
B. Mould
C. Slag
D. Refractories
Answer» D. Refractories
Discussion
4.

IN_THE_FOUNDRY,_THE_ELECTRIC_FURNACES_CANNOT_OPERATE_FOR_HIGH_TEMPERATURES.?$

A. True
B. False
Answer» C.
Discussion
5.

Limestone_removes_sulphur_from_cast_iron.$

A. True
B. False
Answer» B. False
Discussion
6.

_____________ protects molten metal from atmosphere in the foundry?

A. Pattern
B. Mould
C. Slag
D. Refractories
Answer» D. Refractories
Discussion
7.

The melting point of the flux is _________

A. Low
B. High
C. Room Temperature
D. Critical
Answer» B. High
Discussion
8.

The flux used in the foundries to make castings of magnesium alloys are ________

A. Potassium Chloride
B. Barium Chloride
C. Magnesium Oxide
D. Potassium Chloride, Barium Chloride and Magnesium Oxide
Answer» E.
Discussion
9.

Charcoal is the prime material used in copper-alloy foundry.

A. True
B. False
Answer» B. False
Discussion
10.

The source of energy that keeps the furnace the cleanest is __________

A. Electricity
B. Water
C. Air
D. Sunlight
Answer» B. Water
Discussion
11.

Anthracite coal is used to melt the metals in foundry.

A. True
B. False
Answer» B. False
Discussion
12.

The metals that are used in foundries are obtained in which of the following sources?

A. Oxides
B. Sulphides
C. Carbonates
D. Aldehydes
Answer» E.
Discussion
13.

Ore is _________ to make it suitable for foundry processes.

A. Smelted
B. Melted
C. Extracted
D. Refined
Answer» B. Melted
Discussion