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Consider the following statements regarding corrosion of ceramic material: 1. Ceramic materials are much better suited to withstand most of these environments for reasonable time periods than are metals. 2. Corrosion of ceramic materials generally involves simple chemical dissolution, in contrast to the electrochemical processes found in metals. 3. Ceramic materials are not frequently used because of their non-resistance to corrosion. Which of the above statements is/are correct?
Ceramic nanoparticles are classified into three groups – ceramic nanoparticles, ceramic nanoscaffolds and ceramic nanoclays.
A car driver's income consists of his salary and tips. His salary is Tk. 50 a week. During one week his tips were 5/4 of his salary. What fraction of his income for the week came from tips?
A waiter's salary consists of his salary and tips. During one week his tips were 5/4 of his salary. What fraction of his income came from tips ?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, vitrified, and often completely amorphous.  B: A ceramic is a solid material comprising an inorganic compound of metal or metalloid and non- metal with ionic or covalent bonds. C: Most often, fired ceramics are either vitrified or semi-vitrified as is the case with earthenware, stoneware, and porcelain. D: Common examples of ceramic are earthenware, porcelain, and brick.
The classical method of production of cemented carbide tips is ________
Symptoms of which mineral deficiency in which tips are almost colorless covered with a sticky gelatinous material that causes tips to adhere to one another?
What is true for Kalpakkam Fast Breeder Reactor?
1. In it, only natural uranium is used as a fuel.
2. In it, Plutonium carbide and natural uranium carbide mixture are used as a fuel.
3. More than 200 M Watt atomic electricity would be produced from it.
Choose the correct answer:
Ceramic tips for the cutting tool are prepared from __________ powder.
Hybrid nanospheres with this ceramic quantum dots possess efficient sensitivity and high selectivity that is used for donating and real time detecting nitric oxide. Which ceramic particle is it?