NCFE Engineering Vocabulary Quiz

A mix of metals, like steel or brass, used to make strong parts.

• Alloy
• Polymer
• Composite
• Plywood

Answer explanation

An alloy is a mixture of metals that combines their properties for specific uses.

Using liquid pressure to move things, like in a car's brakes.

• Hydraulics
• Pneumatics
• Mechanics
• Electronics

Answer explanation

Hydraulics uses the force of liquids to control mechanical systems.

A unit for measuring brightness, used in lighting design.

• Lumen
• Candela
• Watt
• Kelvin

Answer explanation

Candela measures the intensity of light emitted in a specific direction.

A unit for measuring amounts of substances in reactions.

• Mole
• Candela
• Kilogram
• Meter

Answer explanation

A mole is a standard unit for measuring the quantity of a substance.

The "oomph" an object has due to its mass and speed.

• Velocity
• Acceleration
• Momentum
• Inertia

Answer explanation

Momentum is the product of an object's mass and velocity.

How well a material springs back to shape after squishing.

• Plasticity
• Malleability
• Elasticity
• Ductility

Answer explanation

Elasticity is a material's ability to return to its original shape after deformation.

How easily heat moves through a material.

• Thermal conductivity
• Electrical conductivity
• Thermal expansion
• Specific heat

Answer explanation

Thermal conductivity measures how well a material conducts heat.

Metals with iron, like steel, used for strong structures.

• Non-ferrous Metal
• Ferrous Metal
• Alloy
• Composite

Answer explanation

Ferrous metals contain iron and are known for their strength and durability.

Plastics that can be melted and reshaped many times.

• Thermoset
• Elastomer
• Thermoplastic
• Composite

Answer explanation

Thermoplastics can be heated and remolded multiple times without losing their properties.

Mixing materials, like fiberglass, for combined strengths.

• Alloy
• Polymer
• Ceramic
• Composite materials

Answer explanation

Composite materials are made by combining two or more materials with different properties.