3 years ago

Andy is a carpenter and wants to make various articles using engineered wood. Which of these wood types can he use?

Engineering

2 answers:

Anna71 [15]3 years ago

6 0

Your awnser is plywood

Assoli18 [71]3 years ago

3 0

Answer:

It is plywood, particle board, and fiberboard. I did it and got them all right.

Explanation:

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Answer:

Communication is simply the act of transferring information from one place, person or group to another. Every communication involves (at least) one sender, a message and a recipient.

Explanation:

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2 years ago

Which of the following is the class of ingredient which is the base for most baked items?

Ierofanga [76]

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2 years ago

The basic barometer can be used to measure the height of a building. If the barometric readings at the top and the bottom of a b

Levart [38]

Answer:

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Explanation:

Pb = 695 mmHg

Pt = 675 mmHg

Pb - Pt = 20 mmHg

Calculate dP:

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3 years ago

What are the height and width of scissors?

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2 years ago

An inventor claims to have devised a cyclical power engine that operates with a fuel whose temperature is 750 °C and radiates wa

Phantasy [73]

Answer:

Yes

Explanation:

Given Data

Temprature of source=750°c=1023k

Temprature of sink =0°c=273k

Work produced=3.3KW

Heat Rejected=4.4KW

Efficiency of heat engine(η)= $\frac{Work produced}{Heat supplied}$

and

Heat Supplied ${\left (Q_s\right)}=Work Produced(W)+Heat rejected\left ( Q_r \right )$

${Q_s}=3.3+4.4=7.7KW$

η= $\frac{3.3}{7.7}$

η=42.85%

Also the maximum efficiency of a heat engine operating between two different Tempratures i.e. Source & Sink

η=1- $\frac{T_ {sink}}{T_ {source}}$

η=1- $\frac{273}{1023}$

η=73.31%

Therefore our Engine Efficiency is less than the maximum efficiency hence the given claim is valid.

5 0

3 years ago