Awooden cylinder of length l and cross-sectional area a is partially submerged in a liquid with the axis of the cylinder oriented straight up and down. the density of the liquid is rhol. if the length of the cylinder that is below the surface of the liquid is d. a. what is the buoyant force that the liquid exerts on the cylinder? (ignore the small buoyant force exerted by the air on the part of the cylinder above the surface of the b. if the cylinder floats in the position described in the previous part, what is the density of the cylinder? (ignore the small buoyant force exerted by the air on the part of the cylinder above the surface of the liquid.)

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

it becomes positively charged by charging it