mie unit 6

What is a method to test without damaging the object?

• Crash test

• Non-destructive testing

Answer explanation

Non-destructive testing is a method that evaluates the properties of an object without causing any damage, making it ideal for assessing materials and structures while preserving their integrity.

What do you call a device that heats water?

• Boiler

• Oven

Answer explanation

A device that heats water is called a boiler. Unlike an oven, which cooks food, or a pump and valve, which control fluid movement, a boiler specifically heats water for various applications.

What is the term for a person who creates new things?

• Designer

• Inventor

Answer explanation

An inventor is specifically defined as a person who creates new things, often through innovative ideas and designs. While builders, designers, and engineers may also create, their roles are more focused on construction, aesthetics, or application.

What is a 3D shape with flat surfaces called?

• Cylinder

• Face

Answer explanation

A 3D shape with flat surfaces is called a 'face'. Each flat surface of a polyhedron is a face, while edges are the lines where two faces meet, and vertices are the points where edges meet.

What is the process of making something larger?

• Cool

• Expand

Answer explanation

The process of making something larger is called 'expand'. This term specifically refers to increasing size, volume, or scope, making it the correct choice among the options provided.

What do you call a test that checks how strong something is?

• Operation

• Crash test

Answer explanation

A crash test specifically evaluates the strength and safety of materials or structures under stress, making it the correct term for a test that checks how strong something is.

What is the design software for creating 2D and 3D models?

• Market

• CAD

Answer explanation

CAD, which stands for Computer-Aided Design, is the software specifically used for creating both 2D and 3D models, making it the correct choice among the options provided.

What is a safe way to check the inside of an object?

• X-ray

• Pump

Answer explanation

An X-ray is a safe and effective method to see inside objects without opening them, as it uses radiation to create images of internal structures. Other options like valves, ovens, and pumps do not provide internal visibility.

What do you call the main power supply in a building?

• Component

• Mains

Answer explanation

The main power supply in a building is commonly referred to as the 'mains'. This term encompasses the electrical supply that powers various devices and systems within the structure.

What is the term for a first model of a product?

• Device

• Prototype

Answer explanation

The term 'prototype' refers to the first model of a product, serving as a preliminary version to test and refine ideas before final production. Other options like 'version' and 'invention' do not specifically denote a first model.