Methanol Section: One Question per Day – Material Knowledge, 2016.03.02
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Methanol Section: One Question per Day – Material Knowledge. 2016.03.02: The ( ) of a material is expressed by the impact energy required to create a notch of a certain shape in that material using a hammer. (A) Ductility (B) Plasticity (C) Hardness (D) Strength 2. Plasticity refers to the property of metal materials to undergo ( ) deformation. (A) Elasticity (B) Plasticity (C) Compression (D) Tension 3. The code for Class A steel is ( ). (A) “D” (B) “A” (C) “B” (D) “C”. 4. Carbon steel can be classified according to its uses as ( ). (A) Carbon structural steel and high-quality carbon steel (B) Carbon structural steel and carbon tool steel (C) Carbon tool steel and high-quality carbon steel (D) Carbon structural steel, carbon tool steel, and high-quality carbon steel Answer: A B B B
1. The (A) of a material is expressed by the impact energy used to create a notch of a certain shape in the specimen by hammering. (A) Ductility (B) Plasticity (C) Hardness (D) Strength 2. Plasticity refers to the property of metal materials to undergo (B) deformation. (A) Elasticity (B) Plasticity (C) Compression (D) Tension 3. The code for Class A steel is (B). (A) “D” (B) “A” (C) “B” (D) “C” 4. Carbon steel can be classified by use into (B). (A) Carbon structural steel and high-quality carbon steel (B) Carbon structural steel and carbon tool steel (C) Carbon tool steel and high-quality carbon steel (D) Carbon structural steel, carbon tool steel, and high-quality carbon steel
Methanol Section: One Question per Day – Material Knowledge. 2016.03.02 1. The (C) of a material is expressed by the impact energy required to create a notch of a certain shape in the sample using a hammer. (A) Ductility (B) Plasticity (C) Hardness (D) Strength 2. Plasticity refers to the property of metal materials to undergo (B) deformation. (A) Elasticity (B) Plasticity (C) Compression (D) Tension 3. The code for Class A steel is (B). (A) “D” (B) “A” (C) “B” (D) “C” 4. Carbon steel can be classified by use into (D ). (A) Carbon structural steel and high-quality carbon steel (B) Carbon structural steel and carbon tool steel (C) Carbon tool steel and high-quality carbon steel (D) Carbon structural steel, carbon tool steel, and high-quality carbon steel
1、A 2、B3、B4、B