Materials and Construction

Question: Anodic material used for the cathodic protection of underground buried steel pipeline is [A]. nickel or copper [B]. zinc or magnesium [C]. bronze [D]. brass Answer: Option B Explanation: No answer description available for this question.

Question: Aqueous nitric acid is stored in __________ vessel. [A]. plain carbon steel [B]. stainless steel [C]. cast iron [D]. thermosetting plastic material Answer: Option C Explanation: No answer description available for this question.

Question: Ammonium chloride solution is stored/ treated in __________ vessels/pipes. [A]. plain carbon steel [B]. stainless steel [C]. rubber or durmet-20 lined [D]. lead Answer: Option C Explanation: No answer description available for this question.

Question: Brine solution is stored/treated in __________ lined vessels/pipes. [A]. rubber [B]. lead [C]. glass [D]. nickel Answer: Option D Explanation: No answer description available for this question.

Question: Liners of a ball mill are never made of [A]. lead [B]. alloy steel [C]. rubber or ceramic material [D]. cast iron Answer: Option A Explanation: No answer description available for this question.

Question: Ceramic materials fabrication can not be done by [A]. welding [B]. slip casting [C]. extrusion [D]. plastic pressing Answer: Option A Explanation: No answer description available for this question.

Question: Ceramic materials [A]. are exemplified by clay and mica. [B]. are poor electrical conductors due to lack of free electrons. [C]. never exhibit polymorphism. [D]. all (a), (b) and (c). Answer: Option D Explanation: No answer description available for this question.

Question: Cermets are used for making [A]. cutting tools [B]. abrasives [C]. both (a) & (b) [D]. neither (a) nor (b) Answer: Option C Explanation: No answer description available for this question.

Question: Combination of metals and ceramics are called [A]. metalloy [B]. cermets [C]. pellets [D]. non-crystalline ceramics Answer: Option B Explanation: No answer description available for this question.

Question: Babbit metal is not a [A]. tin base alloy [B]. white metal [C]. lead base alloy [D]. pure metal Answer: Option D Explanation: No answer description available for this question.