Question 1

What is the function of slag hole in a cupola furnace?

Accepted Answer

A) to tap the slag generated 
B) to generate the slag 
C) to allow outflow of gases 
D) all of the mentioned 
A) to tap the slag generated 
B) to generate the slag 
C) to allow outflow of gases 
D) all of the mentioned A

Question 2

For melting of cast iron, which of the following furnace is used?

Accepted Answer

A) rotary furnace 
B) cupola furnace 
C) pit furnace 
D) electric furnace 
A) rotary furnace 
B) cupola furnace 
C) pit furnace 
D) electric furnace B

Question 3

The is responsible for the impact strength in the molding sand.

Accepted Answer

A) aggregates 
B) refractoriness 
C) impurities 
D) permeability 
A) aggregates 
B) refractoriness 
C) impurities 
D) permeability A

Question 4

Which of the following is not used for the formation of the molding sand?

Accepted Answer

A) silica sand 
B) binders 
C) additives 
D) coal 
A) silica sand 
B) binders 
C) additives 
D) coal

Question 5

Binding property of the sand increases because of the property.

Accepted Answer

A) cohesiveness 
B) collapsibility 
C) flow ability 
D) permeability 
A) cohesiveness 
B) collapsibility 
C) flow ability 
D) permeability

Question 6

Machining allowance does not depend on which of the following factor?

Accepted Answer

A) solidifying contraction 
B) machining method 
C) shape and size of casting 
D) casting method 
A) solidifying contraction 
B) machining method 
C) shape and size of casting 
D) casting method

Question 7

Which of the following metal has a melting point of about 1537oC and latent heat of fusion 65.0 cal/g?

Accepted Answer

A) nickel 
B) copper 
C) zinc 
D) iron 
A) nickel 
B) copper 
C) zinc 
D) iron

Question 8

The adhesiveness and cohesiveness are the same properties of the molding sand.

Accepted Answer

A) True 
 B)False

Question 9

What is draft allowance also known as?

Accepted Answer

A) shake allowance 
B) contraction allowance 
C) taper allowance 
D) rapping allowance 
A) shake allowance 
B) contraction allowance 
C) taper allowance 
D) rapping allowance

Question 10

Molding sand can withstand chemical reactions on it and prove it to be beneficial for the casting formation.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is/are the advantage(s) of an Induction Furnace?

Accepted Answer

A) higher yield 
B) cleaner melting 
C) compact installation 
D) all of the mentioned 
A) higher yield 
B) cleaner melting 
C) compact installation 
D) all of the mentioned

Question 12

Why is sand bed prepared for melting of metal in Cupola furnace?

Accepted Answer

A) it provides a refractory bottom 
B) it soaks the moisture from the metal 
C) it conducts the heat faster and uniformly 
D) none of the mentioned 
A) it provides a refractory bottom 
B) it soaks the moisture from the metal 
C) it conducts the heat faster and uniformly 
D) none of the mentioned

Question 13

How much does the distortion allowance vary?

Accepted Answer

A) 1mm to 10mm 
B) 2mm to 20mm 
C) 1mm to 15mm 
D) 2mm to 15mm 
A) 1mm to 10mm 
B) 2mm to 20mm 
C) 1mm to 15mm 
D) 2mm to 15mm

Question 14

Ferrous metals need more allowance than non-ferrous metals.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) tuyeres 
B) tapping spout 
C) wind box 
D) blast pipe 
A) tuyeres 
B) tapping spout 
C) wind box 
D) blast pipe

Question 16

How does pattern vary in size with casting?

Accepted Answer

A) pattern is larger in size 
B) casting is larger in size 
C) both have same size 
D) size depends on other factors 
A) pattern is larger in size 
B) casting is larger in size 
C) both have same size 
D) size depends on other factors

Question 17

The following figure depicts which allowance?

Accepted Answer

A) machining allowance 
B) shrinkage allowance 
C) draft allowance 
D) shake allowance 
A) machining allowance 
B) shrinkage allowance 
C) draft allowance 
D) shake allowance

Question 18

A pattern is shaken by striking it with a wooden piece. A negative allowance is provided for this. Which allowance is it?

Accepted Answer

A) machining allowance 
B) rapping allowance 
C) distortion allowance 
D) contraction allowance 
A) machining allowance 
B) rapping allowance 
C) distortion allowance 
D) contraction allowance

Question 19

The property ensures the removal of excess sand in the mould box.

Accepted Answer

A) adhesiveness 
B) cohesiveness 
C) green strength 
D) compressive strength 
A) adhesiveness 
B) cohesiveness 
C) green strength 
D) compressive strength

Question 20

A pattern carries which allowance for internal and external surfaces?

Accepted Answer

A) shrinkage allowance 
B) machining allowance 
C) distortion allowance 
D) draft allowance 
A) shrinkage allowance 
B) machining allowance 
C) distortion allowance 
D) draft allowance

What is the function of slag hole in a cupola furnace?

For melting of cast iron, which of the following furnace is used?

The is responsible for the impact strength in the molding sand.

Which of the following is not used for the formation of the molding sand?

Binding property of the sand increases because of the property.

Machining allowance does not depend on which of the following factor?

Which of the following metal has a melting point of about 1537oC and latent heat of fusion 65.0 cal/g?

The adhesiveness and cohesiveness are the same properties of the molding sand.

What is draft allowance also known as?

Molding sand can withstand chemical reactions on it and prove it to be beneficial for the casting formation.

Which of the following is/are the advantage(s) of an Induction Furnace?

Why is sand bed prepared for melting of metal in Cupola furnace?

How much does the distortion allowance vary?

Ferrous metals need more allowance than non-ferrous metals.

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

How does pattern vary in size with casting?

The following figure depicts which allowance?

A pattern is shaken by striking it with a wooden piece. A negative allowance is provided for this. Which allowance is it?

The property ensures the removal of excess sand in the mould box.

A pattern carries which allowance for internal and external surfaces?

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 the function of slag hole in a cupola furnace?

For melting of cast iron, which of the following furnace is used?

The is responsible for the impact strength in the molding sand.

Which of the following is not used for the formation of the molding sand?

Binding property of the sand increases because of the property.

Machining allowance does not depend on which of the following factor?

Which of the following metal has a melting point of about 1537oC and latent heat of fusion 65.0 cal/g?

The adhesiveness and cohesiveness are the same properties of the molding sand.

What is draft allowance also known as?

Molding sand can withstand chemical reactions on it and prove it to be beneficial for the casting formation.

Which of the following is/are the advantage(s) of an Induction Furnace?

Why is sand bed prepared for melting of metal in Cupola furnace?

How much does the distortion allowance vary?

Ferrous metals need more allowance than non-ferrous metals.

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

How does pattern vary in size with casting?

The following figure depicts which allowance?

A pattern is shaken by striking it with a wooden piece. A negative allowance is provided for this. Which allowance is it?

The property ensures the removal of excess sand in the mould box.

A pattern carries which allowance for internal and external surfaces?

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