md elements 1901

Modulus of resilience is:

• The same as the modulus of elasticity

• A measure of a material's ability to store strain energy

• The reciprocal of the modulus of elasticity

• A measure of the deflection of a member

The modulus of elasticity in shear is commonly called:

• Bulk modulus

• Deformation

• Modulus of rigidity

• Young modulus

What device on a lathe machine used for carrying the revolving spindie?

• Head stock

• Header

• Head suction

• None of these

What are valence electrons?

• The outershell electrons

• Electrons with positive charge

• The electrons of the complete quantum shells

• The K-quantum shell electrons

Which type of load that is applied slowly and is never removed?

• Uniform load

• Static load

• Equilibrium load

• Impact load

In molecules of the same composition, what are variations of atomic arrangements known as?

• Monomers

• Polymers

• Isomers

• Crystal system

Refers to the actual stress the material has when under load.

• Allowable stress

• Ultimate strength

• Factor of safety

• Working stress

In a specification schedule is used when the pipe specified as "schedule 80", the pipes corresponds to the:

• "Extra Standard" Weight

• Internal Pressure

• Allowable Stress

• "Old Standard" Weight

A _____ member that carries loads transverse to its axis.

• Column

• Structure

• Frame

• Beam

Which of the following describes diffusion in a crystal structure?

• It is not possible

• It occurs only in alloys, never in pure crystal

• It often uses an exchange or vacancy mechanism

• It occurs primarily as a result of mechanical work