What is the difference between earlywood and latewood? Describe each.

Q: The strength of timber is maximum in a direction a) parallel to the grains b) perpendicular to the…

A: In a direction parallel to grain strength of timber is maximum whereas  In a direction perpendicular…

Q: classifications of the wood according to the Grain

A: The texture of the grain determines what kind of wood it is. A wood has an open, porous texture.…

Q: In what ways does moisture affect wood?

A: Answer The following way the moisture content affects the wood The moisture content is directly…

Q: How does the seasoning of timber help? A. It increases the weight of timber B. It improves the…

A: Seasoning of timber means removing moisture from newly falling tree up to desired limit . Seasoning…

Q: /hich of the following is the hardest wood? a) Babul C) Teak (b) Chir (d) Shisham

A: A good timber should be hard i.e it should offer resistance when it is being penetrated by another…

Q: Difference between hardwood grades and softwood grades.

A: The wood used for structural purposes is known as timber or lumber. We cannot use every wood as…

Q: The state at which bound water in wood is at maximum known as O a. hysteresis O b. EMC O C. O d. MC…

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Q: 3. A simple lab test for specific gravity, G, on two samples of lumber indicate that sample A has G…

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Q: What is the size factor for compression of 2x4 dimension lumber? CF=_______

A: The Timber Size Factor is among the variables that take into consideration the concept that timber…

Q: The standard unit measurement for solid lumber is _____

A: Board foot  The standard unit measurement for solid lumber is Board foot

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

A: The following figure shows the Load Deflection Relationship for the specimen.

Q: (c) In general, wood has greater specified strength for compression perpendicular to grain than that…

A: In general, wood has 30% greater specified strength for compression perpendicular to grain than that…

Q: E value of Southern Pine Timber is 12 GPa 14 GPa 16 GPa 13 GPa

A: E value of southern pine timber is Options :-a) 12 Gpab) 14 Gpac) 16 Gpad)13 Gpa

Q: True or false: As a perfectly elastic material, wood recovers from applied load rapidly. Select one:…

A: Perfectly elastic material : It can be defined as a type of body which regains its original shape…

Q: A short round wood column with an actual diameter of 250 mm is to be constructed. If the failure…

A: The given data is as follows: Diameter of column=250 mmFailure stress=29.6 MPaFactor of safety=1.3

Q: A beam will support a combination of dead, live, and earthquake loads. The Load Duration Factor for…

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Q: Locate the centroid (x̅, y̅)of the following composite areas

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Q: ix- The abrasion value is the highest in: a) Flakey aggregates b) Angular aggregates c) Rounded…

A: Note- Since we only answer up to 3 sub-parts, we’ll answer the first3. Please resubmit the question…

Q: What are major synthetic-resin varnishes?

A: The synthetic varnish replaces the natural varnishes. Followings are the major varnishes:

Q: When designing a wood column, which of the following adjustment factors should be estimated in order…

A: Design of wood columns mainly uses adjustment factors to calculate and then helps in determining…

Q: In general, wood is dried to _____ percent moisture for typical structural application rather than…

A: Wood is a natural, renewable and versatile material, which has been used by humans for various…

Q: If a wood beam is designed for use at 2 months event only, should the designer increase or decrease…

A: normal application -a typical load duration of 10 years is used in the design of wood structures

Q: Determine the following if it is true or false The wood grains on bending test is subjected to…

A: 1. False Wood grains in bending test are subjected to both tensile and compressive stresses. The…

Q: Select the correct statement from the following: An "under-reinforced" beam condition results in a…

A: Brief concept introduction- (1) Under-reinforced beam- This beam has lower % of steel than the…

Q: Contrast the advantages of manufactured composites with those of wood. Give instances of situations…

A: 1. Advantages of composites: It's light in weight It requires less supporting structure It has…

Q: Hardwood advantages and disadvantages.

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

Q: Compare the benefits of engineered composites to those of timber. Give examples of applications in…

A: The use of engineered composite materials is becoming more and more popular in modern construction…

Q: Question 13 Which one of the following statements regarding durability is FALSE? O a. Use class 5…

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Q: y-axis Figure 1 Note: Each square ind

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Q: What factors make wood more flexible in the longitudinal direction? a. low moisture content O b.…

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Q: Submerge samples of interior and exterior plywood in water. Apply pressure continuously until…

A: Yes, few plywood gives us very impressive results. But it always depends on the method used to…

Q: 3. List and discuss the five main types of defects in timber.

A: Five Main Types of Defects in Timber:    Defects in Timber is mainly caused due to  Natural Forces…

Q: A simple lab test for specific gravity (SG), on two samples of timber indicate that sample A has…

A: * More the Specific Gravity less will be  the molecular distance in  timber and thus it closely…

Q: Mechanical properties of timber are generally NOT dependent on: a. wood moisture content O b.…

A: This question is related to Timber from Building material from Civil Engineering. This is multiple…

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

A: 1.3