md elements 1001

Moment of inertia is also called:

• Modulus of elasticity

• Weep strength

• Radius of gyration

• None of these

The property that characterizes a material ability to be drawn into a wire is known as:

• Elasticity

• Plasticity

• Utility

• Ductility

What is the lightest known metal?

• Steel

• Mercury

• Aluminum

• Chromium

It indicates how many times a volume of material is heavier than an equal volume of water.

• Specific gravity

• Specific volume

• Specific weight

• Specific density

Nickel - Chromium - Molybdenum steel designation SAE

• 81 xx

• 74 xx

• 94 xx

• 64 xx

A carbon content in the range of ___ in steel readily responds to heat treatment.

• 0.35 to 0.40% C

• 0.28 to 0.30% C

• 0.18 to 0.25% C

• 0.12 to 0.15% C

Material having a high electrical resistance and should not be used as conductor of electrical current.

• Copper

• Magnesium

• Iron

• Nickel

Stress relieving is also ___ for the purpose of reducing the internal stress of steel material / metal.

• Quenching

• Normalizing

• Tempering

• Drawing

soluble in the presence of high temperature iron used in specific cases, usually in finishing operations.

• Ceramic tools

• Diamonds

• High speed steel

• Aluminum

An alloy that improves strength of steel at high temperature application.

• Tungsten

• Molybdenum

• Chromium

• All of these