Unit 3.00 Understand Manufacturing Processes (1)

Alloys are a mixture of:

• copper and aluminum

• carbon and graphite

• two or more metals

• iron and steel

All corners on cast parts are:

• angled at 45 degrees

• chamfered

• filleted or rounded

• squared

What is the next step in the manufacturing process for a metal part that has been cleaned up and machined?

• assembly

• casting

• rough forming

• welding

Manufacturing materials for production are divided into what three general categories?

• metal, plastic, and inorganic materials

• metal, steel, and biomaterials

• rubber, sheet metal, and organic materials

• rubber, plastic, and organic materials

The best tool to measure the outside diameter of a cylinder is the:

• inside spring caliper

• machinist steel ruler

• metric scale

• Vernier caliper

The process where various parts are put together to complete the product is known as the:

• rough forming

• assembly

• finishing

• patenting

What is the fusion or joining of two pieces of metal by means of heat, with or without the application of pressure?

• casting

• forging

• extruding

• welding

The process of changing the properties of metals by heating and cooling is referred to as:

• refrigeration

• heat-treating

• refurbishing

• hard-treating

Controlling and operating machines by means of preprogrammed, coded, tool-cutting instructions is called

• Computer Numerical Control

• Computer Numbering Code

• Coded Notation Center

• Computer Numerical Counter

What is a disadvantage of CNC machines?

• high up-front costs

• labor-intensive

• poor productivity

• poor product quality