Direct Hardening Can Be Performed on Steel Containing at Least

question 63

Multiple Choice

Direct hardening can be performed on steel containing at least ____ percent of carbon.

• A) 0.1
• B) 0.2
• C) 0.3
• D) 0.4

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Definitions:

Nephron

The functional unit of the kidney, responsible for filtering blood and producing urine.

Proximal Convoluted Tubule

Part of the nephron that extends from the glomerulus to the descending limb of the loop of Henle.

Collecting Duct

Straight tubule that extends from the cortex of the kidney to the tip of the renal pyramid. Filtrate from the distal convoluted tubes enters the collecting duct and is carried to the calyces.

Excretory Organ

Organs involved in the removal of waste products and excess substances from the body, including kidneys, liver, lungs, and skin.