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Consider the following statements regarding crystal defects: 1. In metals, a self-interstitial introduces relatively large distortions in the surrounding lattice because the atom is substantially larger than the interstitial position in which it is situated. 2. All crystalline solids do not contain vacancies and, it is possible to create such a material that is free of these defects. 3. Impurity point defects are found in solid solutions, of which there are two types: Substitutional and interstitial.  Which of the above statements is/are correct?
Which of the following defects lead to poor electropolishing of the surfaces?
Electropolishing cannot cover up which type of defects?
The market price of an article was 40% more than its cost price. Rana was going to sell it at market price to a customer, but he showed Rana some defects in the article, due to which Rana gave him a discount of 28.57%. Next day he came again and showed Rana some more defects, hence he gave him another discount that was equal to 12.5% of the cost price. What was the approximate profit/loss to Rana ?
What is correct about the removal of the President of the Municipal Council? a. He may be recalled from his office. b. The removal progress can be initiated with the signature of 2/3 members of the council. c. The removal process can be initiated with the signature of 3/4 members of the council. d. He can be recalled by a simple majority of voters. e. He can be recalled by 2/3 majority of voters, f. He can be removed by a no-confidence motion.
Consider the following statements: 1. The will be no defects in select grade timbers. 2. The codal values for strength of grade – III timber without defects may be reduced by 37.5% 3. For timber used as columns, the permissible stress in ungraded timbers is adopted with a multiplying factor of 0.50 4. In case of wind force and earthquakes, a modification factor of 1.33 adopted. Which of the above statements are correct?
Which of the following defects is not an example of type “pouring material defects”?
A cistern can be filled by two pipes in 10 and 12 min respectively. Both the pipes are opened together for a certain time but, due to defects, only 1/6th of full quantity of water flows through the former and 2/5th of the latter. The defects are detected and rectified. The cistern is filled in 3 min from that moment. How long was it before the detects were rectified?
These defects in graphene lattice are observed as line defects that are formed by chains of aligned dislocations. What are they?
Pareto chart identifies the ____________ defects not the ____________ defects.