Question

In: Civil Engineering

QUESTION 1 The material that has the lowest stress per unit of strain diagram is: Wood...

QUESTION 1

  1. The material that has the lowest stress per unit of strain diagram is:

Wood

Cast Iron

Concrete

High strength steel

QUESTION 2

  1. Aluminum Metals subjected to loads:

Do not exhibit a clearly defined yield point compared to steel.

Have a greater difference between tensile and yield strengths compared to steel.

Have a Modulus of elasticity one-third greater than structural steel.

Have a coefficient of Thermal expansion one-half that of structural steel.

QUESTION 3

  1. An alloying element is any element added during the manufacture of steel that is not one of four (4) non-metals. An example of an alloying element is:

Copper

Carbon

Silicon

Sulfur

QUESTION 4

  1. The addition of some metallic elements to steels affect the properties of the metal. The ability to alter the steel corrosion resistance can be effected by the elements:

Chromium, Copper, Molybdenum

Aluminum, Vanadium

Cobalt, Nickel

Lead, Tellurium

QUESTION 5

  1. An alloying element is any element added during the manufacture of steel that is not one of four (4) non-metals. An example of an alloying element is:

Lead

Carbon

Silicon

Sulfur

QUESTION 6

  1. An alloying element is any element added during the manufacture of steel that is not one of four (4) non-metals. An example of an alloying element is:

Aluminum

Carbon

Silicon

Sulfur

QUESTION 7

  1. The mechanical properties of the metal is determined by:

Grain size

Material color

Initial crystalline structure

Material uniformity


QUESTION 8

  1. Most low carbon and structural steels are usually referred to by their appropriate designation:

ASTM code

Shape code

Tensile Stress

SAE/AISI code

QUESTION 9

  1. The addition of some non-metallic elements to metals affect the properties of the metal. The addition of silicon:

Increases hardness

Promotes uniformity of grain structure

Retains malleability

Improves corrosion resistance


QUESTION 10

  1. The material that has the greatest stress per unit of strain diagram is:

Wood

High strength steel

Cast Iron

Concrete

Solutions

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