Timber is a natural product and every natural product has some imperfection. Most of the defects in timber cause weakness of other sorts of difficulties. State FIVE (5) main types of defect in timber with an appropriate illustration.

Q: In the course of your internship at a development company you are asked to make a technical…

A: The composite T-section  to give the maximum moment of inertia along x-x can be formed as shown in…

Q: What are the effects of defects in wood and what causes these defects?

A: Following are the effects of defects in wood: It reduces the economic value of wood. It decreases…

Q: What are the main types of engineered wood products?

A: Engineering wood are made up of softwood and hardwood with bonded strands, veneers, lumber and other…

Q: Briefly describe why engineered wood is stronger and has better properties than natural wood.

A: Natural wood is composed of bundles of long fibers that are effectively water-carrying tubes.…

Q: Briefly describe the chemical composition of wood.

A: Wood is defined as an organic material that is found in the stem and roots of trees.It is fibrous…

Q: Discuss the anisotropic nature of wood. How does this phenomenon affect the performance of wood?

A: ANISOTROPIC is the property of substance due to which their is variation in physical property in…

Q: a) Describe two (2) types of timber product and its usage b) Seasoning is very important to achieve…

A:

Q: Based on your understanding of timber in construction, answer the followings: Why timber is…

A: Timber may be defined as the building/construction material used for various purposes due to its…

Q: What is Moisture content of wood? What is the relationship between shrinkage and moisture content.

A: Moisture content is defined as the ratio of weight of water to weight of solid. Moisture content of…

Q: Explain why steel used to construct a steel framed highway bridge structure requires a high degree…

A: Steel is an alloy of iron and carbon containing less than 2% carbon and 1% manganese and small…

Q: Collect a variety of samples of wood species used in construction and conduct various tests, such…

A: Solution: Timber is one of the most used wood species that us used in construction.

Q: List and discuss about the five main types of defects in timber

A: As per the company guidelines we are asked to answer only one question at a time, so please ask the…

Q: b) Discuss the following physical properties in the design of timber in the application of civil…

A:

Q: Hardwood advantages and disadvantages.

A: Hardwood is obtained from broadleaved tress. example : Mahogany, Oak, Teak  etc   Advantage of…

Q: Problem: In ASTM D198 where it determines the flexure properties of wood such as modulus of rupture,…

A:

Q: Discuss the grading of timber for structural purposes in civil and construction engineering

A: structural grading is done on the basis of  strength of the timber  The higher the number of F grade…

Q: Identify the different grades and different wood used in the philippines

A: Another idea of ​​the complexity of Filipino wood flowers is possible can be found in the statement…

Q: A wood specimen was subjected to bending until failure by applying a loadin the middle of its span.…

A: (a) It is required to plot the graph between load and deflection.

Q: Explain the difference between softwood and hardwood.

A: Softwood is the wood produced from gymnosperms such as larches, pines, and spruces, among others.

Q: defected timber cannot be used for construction. write short notes on defects in timber due to…

A: Defected timbers cannot be used for construction as they are not strong enough to take up the loads…

Q: A block of wood with uniform horizontal section float in water with 25 cm projecting above the…

A:

Q: What is the size factor for bending of 4x6 dimension lumber? CF=_______

A: 1.3

Q: a tank containing liquid with sg = 2.34 was put on a weighing scale and registered a total weight of…

A: Given data-

Q: Since lumber is a naturally formed material, its orthotropic qualities mean that its strength varies…

A: Lumber: Lumber or timber is a widely used construction material from ancient days. The quality of…

Q: c) Discuss the non-isotropic characteristics of wood.

A: Wood or timber is one of the most used naturally occurring building materials in the world. It has…

Q: A rectangular block of wood floats in water with 2 inches projecting above the water surface. When…

A: Given data in question  Rectangular block Depth above the fluids Specific gravity of glycerine  To…

Q: A block of wood with a density of 35.3lb/ft^3 floats in a liquid with 3/4 of its volume submerged.…

A:

Q: What are the two main classes of wood? What is the main use of each class?State the names of two…

A: The two principal wood teams are within the exogenous cluster. They are. Hardwood Softwood

Q: What are the main advantages of engineered wood products over natural-timber members?

A: Engineered wood, also known as mass timber, composite wood, man-made wood, or produced board, refers…

Q: Q) what are the effects of defects in wood and what causes these defects?

A: - various effects of defective wood are : 1- Loss of strength 2- Foul smell 3- Twisted fibre 4-…

Q: Discuss the application of plywood in the construction industry

A: The thin sheets cut from the wood logs are called as veneers. The veneers used for making the…

Q: Why are the actual dimensions of lumber different from the nominal dimen-sions? Explain.

A: The woods are harvested from the forest in the form of logs and then these logs are cut into…

Q: What are the main advantages of engineered wood products over natural-tim-ber members?

A: Engineered wood is also known as composite wood that is manufactured by fixing together strands,…

Q: List the three grading methods that are used for wood.

A: Grading is the process of grouping various types of wood in one or more groups according to their…