Question 1

The direction of rmf when a single phase supply is given to stator of three phase induction motor is?

Accepted Answer

A) zero 
B) ns 
C) 2ns 
D) -ns 
A) zero 
B) ns 
C) 2ns 
D) -ns

Question 2

Which defect is caused due to the conversion of moisture to steam because of the heat of molten metal?

Accepted Answer

A) blow holes 
B) open blows 
C) air inclusions 
D) cold shut 
A) blow holes 
B) open blows 
C) air inclusions 
D) cold shut

Question 3

CO2 moulding is a kind of sand moulding, but it is not economical than the green sand moulding.

Accepted Answer

A) True 
 B)False

Question 4

Two three phase induction motors A and B are identical in all respects except that motor A has a larger air-gap than motor B. Which motor will have better full-load power factor?

Accepted Answer

A) a 
B) b 
C) both a and b 
D) neither a nor b 
A) a 
B) b 
C) both a and b 
D) neither a nor b

Question 5

Which of the following moulds or moulding is also known as sodium silicate process.

Accepted Answer

A) shell moulding 
B) permanent moulding 
C) slush moulding 
D) CO2 moulding 
A) shell moulding 
B) permanent moulding 
C) slush moulding 
D) CO2 moulding

The direction of rmf when a single phase supply is given to stator of three phase induction motor is?

Which defect is caused due to the conversion of moisture to steam because of the heat of molten metal?

CO₂ moulding is a kind of sand moulding, but it is not economical than the green sand moulding.

Two three phase induction motors A and B are identical in all respects except that motor A has a larger air-gap than motor B. Which motor will have better full-load power factor?

Which of the following moulds or moulding is also known as sodium silicate process.

Pattern Making and Cupola Furnace Melting Process

Casting and Foundry Techniques

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 3: Casting Processes and Three Phase Induction Motors

The direction of rmf when a single phase supply is given to stator of three phase induction motor is?

Which defect is caused due to the conversion of moisture to steam because of the heat of molten metal?

CO2 moulding is a kind of sand moulding, but it is not economical than the green sand moulding.

Two three phase induction motors A and B are identical in all respects except that motor A has a larger air-gap than motor B. Which motor will have better full-load power factor?

Which of the following moulds or moulding is also known as sodium silicate process.

Pattern Making and Cupola Furnace Melting Process

Casting and Foundry Techniques

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

CO₂ moulding is a kind of sand moulding, but it is not economical than the green sand moulding.