Engineering Principles Quiz

What is the purpose of abbreviations and notation used on engineering drawings?

• To make the drawings look more complex

• To simplify and standardize communication

• To confuse those not familiar with engineering

• To increase the cost of production

What is a new approach to product specification; but it builds on existing tools, and particularly the use of datums, geometrical tolerancing and surface texture tolerancing.

• geometrical product specification (GPS).

• Global positioning system (GPS).

• geological positioning system (GPS).

• General positioning specification (GPS).

How do carbon and alloying elements affect the properties of carbon and low alloy steels?

• They have no effect on the properties

• They improve the strength and hardness

• They reduce the ductility

• They increase the corrosion resistance

What are the causes of corrosion in materials?

• Exposure to high temperatures

• Exposure to chemicals

• Exposure to oxygen and moisture

• Exposure to mechanical stress

Which of them is not inspection equipment?

• Code or Serial number

• Records

• Checklists

• Work permit

What is the purpose of heat treatment?

• To increase the strength of materials

• To improve the ductility of materials

• To modify the microstructure of materials

• All of the above

Tempering is done after quenching to:

• Increase hardness

• Decrease toughness

• Increase ductility and toughness

• Decrease strength

Which heat treatment process involves heating the material to a temperature below the transformation range, holding it at that temperature, and then cooling it in still air?

• Annealing

• Normalizing

• Quenching

• Tempering

Which of the following is a disadvantage of rapid cooling (quenching)?

• Increased hardness

• Reduced distortion

• Increased risk of cracking

• Improved machinability

Which of the following is NOT a common quenching medium?

• Water

• Oil

• Air

• Liquid nitrogen