Pyrometallurgy is also known as

What is the size of lumber when it is cure from the log?

Alloys steel that we use in construction usually belong to the group of alloys that combine with carbon to carbides.

What property of wood affects its nail holding power?

The process of blowing finely divided air currents through a bath of molten iron contained in a converter to remove impurities by oxidation is called

What are the 3 principal axes of wood?

The use of chemical reagents such as carbon monoxide, can be used in refining metal

What is the degrading result caused by oxidation of metals? (One Word)

It is possible to make steel alloys with increased strength, toughness, and corrosion resistance that can be used in construction

Tree Classification based on the growth from the center out by adding concentric layer

How many Board feet are there in 4 pieces of 2”x4”x16”?

In visual stress grading of lumber, the problem in identifying wood species have prompted designers to use what percentage stress grade?

The labels for MSG groups are based on what allowable stress

In which ore classification can iron be extracted?

Which steel has the lowest carbon content?

What is an alloy of iron and carbon?

The central core of the log that is composed of inactive cells and serves only as a mechanical support

The two tyes of furnaces that account for virtually all primary steel production are ____ furnace and ____ furnace.

It is possible to make cast iron malleable by undergoing a special annealing treatment after casting.

Plywood is usually available in what size?

The term used for material associated with ore that has no commercial value

What is the term used for a rock that contains sufficient minerals with important elements including metals that can be economically extracted from the rock?

The term used referring to cracks between and parallel to annual rings of lumber

If the specific gravity is 0.57 and the moisture content is 16%, what is the density of the wood in kg.m^3

What is the most common composite that are made of veneers glued together?

What is the progressive fracture of metal under repeated load?

According to the NSCP, what is the value of the modulus of elasticity that can be adopted for steel in MPa

Seasoned lumber has many advantages over green lumber such as:

What is the process of heating steel above the critical temperature range, holding it at that temperature for the proper period of time, ad then slowly cooling?

The carbon content if this steel is from 0.3% to to 0.6%. Example of this are the reinforcing steel bars

The grade of steel reinforcing bar is based on property of steel

Shrinkage of wood starts when the moisture content is below what alue?

The unit of measure used for a piece of wood 1 ft x 1 ft x 1 in

What is the principal element of ferrous metals?

In Tension Testing metal bars, what do you call the stage when the metal appears to exhibit increase in strength after yielding?

What is the most undesirable impurity of steel?

The value of the area under the straight lineor elastic portion of the stress-strain curve of metal is called the modulus of

The continuous ring of reproductive tissu located between the sapwood and the inner layer of the bark

What is the method of seasonng wood by heating to remove moisture using warm moist air or superheate steam?

The Maximum Stress in the stress-strain curve of metal

What are the typical characteristics of metal?

What is the term used for metal coating by hot-dipping in zinc?

What are the basic quenching media of steel?

what property of wood affect its strength and shrinkage?

List at least one wood composite that was discussed in class

Plywood is a non-engineered wood product

What is the term used for stress that will cause rupture at. given time and temperature, and usually at high temperature?

Warping of lumber due to distortion in which the edge is convex or concave longitudinal

Which are defect of lumber?

The impurity may be beneficial to steel at small quantities (0.3%-1.0%) but detrimental at larger quantities (1.5% and above)

The Cemical Component of wood that acts as bonding agent which glues cells together

What is the Characteristic of metal that allows it to resist scratches or surface cuts?

What do you call the charcteristics of metal to resist impact without permanent deformation?

Which is not a main operation in metal production?

Cracks on lumber going all the way through its thickness, commonly at the ends

Which are false about wood

The characteristic of metal to change shape by pounding or hammering

Ways to prevent oxidation of metal may be done by

Which among listed are wood preservatives?

Which among those listed below are the processes of extracting metal from the ore?

Which amonglisted are insects that cuse wood deterioration

The Term used for wood that has been rough sawn and cut to length, typically in standard increments, such as 2”x4”x8”, to be used in construction