Answer the following statement(s) true (T) or false (F)

Prefinished strip flooring should be sanded after installation.


ANS: F

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What side of the joint is the weld to be made on based on the welding symbol shown in Figure 1?

a. Arrow side
b. Other side
c. Both sides
d. None of the above

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On a winder stairway, the winder tread width at a point 12" from the narrower end of the winders must be _____.

a. at least 9" b. two-thirds the tread width in the straight portion of the stairway c. 10"-12" d. equal to the tread width in the straight portion of the stairway

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A 2 kg block of iron is to be dropped from the roof of a tall building. The initial temperature of the iron is 25oC, and the height of the building is 150 m.

(a) Assuming that the block is insulated and ignoring the effects of the atmosphere, determine the final temperature of the iron when it comes to rest on the ground. (b) Develop a computer model for this problem, and plot the final temperature of the iron that would be expected for building heights ranging from 10 m to 500 m. Given: Fe; m = 2 kg; T1 = 25oC; z1 = 150 m; z2 = 0 m Assume: Q = W = ?KE = 0; The iron is an incompressible substance with constant specific heats: c = 0.447 kJ/kg-K = 447 J/kg-K What will be an ideal response?

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The majority of the bees in a colony are drones

Indicate whether the statement is true or false

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