Question 1

What is hearth in a furnace?

Accepted Answer

A) the electrodes are often called hearth 
B) the walls of the furnace 
C) the bowl shaped bottom of the furnace 
D) the dome shaped roof of the furnace 
A) the electrodes are often called hearth 
B) the walls of the furnace 
C) the bowl shaped bottom of the furnace 
D) the dome shaped roof of the furnace

Question 2

A pattern is generally made up of how many pieces?

Accepted Answer

A) 1 
B) 2-3 
C) 4-5 
D) 6 
A) 1 
B) 2-3 
C) 4-5 
D) 6

Question 3

Why are flux added to the charge ( parent metal to be melted) during melting of a metal?

Accepted Answer

A) to increase carbon content 
B) to increase refractoriness 
C) to add specific oxides 
D) to remove specific oxides 
A) to increase carbon content 
B) to increase refractoriness 
C) to add specific oxides 
D) to remove specific oxides

Question 4

Which of the following chemical compound, is the most common flux added to the charge in a cupola furnace?

Accepted Answer

A) coke 
B) methane 
C) carbon dioxide 
D) limestone 
A) coke 
B) methane 
C) carbon dioxide 
D) limestone

Question 5

Flow ability increases with increase in the green strength.

Accepted Answer

A) True 
 B)False

What is hearth in a furnace?

A pattern is generally made up of how many pieces?

Why are flux added to the charge ( parent metal to be melted) during melting of a metal?

Which of the following chemical compound, is the most common flux added to the charge in a cupola furnace?

Flow ability increases with increase in the green strength.

Casting and Foundry Techniques

Casting Processes and Three Phase Induction Motors

Welding and Induction Motor Starting Methods

Welding Processes and Efficiency

Friction Welding, Defects, and Metal Forging Operations

Metal Forming Processes and Techniques

Plastic Manufacturing Processes

Casting and Moulding Processes and Properties

Three Phase Induction Motors and Welding Processes

Metal Forming

Polymer Processing Techniques

Filters

Exam 1: Pattern Making and Cupola Furnace Melting Process

What is hearth in a furnace?

A pattern is generally made up of how many pieces?

Why are flux added to the charge ( parent metal to be melted) during melting of a metal?

Which of the following chemical compound, is the most common flux added to the charge in a cupola furnace?

Flow ability increases with increase in the green strength.

Casting and Foundry Techniques

Casting Processes and Three Phase Induction Motors

Welding and Induction Motor Starting Methods

Welding Processes and Efficiency

Friction Welding, Defects, and Metal Forging Operations

Metal Forming Processes and Techniques

Plastic Manufacturing Processes

Casting and Moulding Processes and Properties

Three Phase Induction Motors and Welding Processes

Metal Forming

Polymer Processing Techniques

Filters