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MCQs 1: Which of the following photographic papers is used in sulphur printing technique?

Bronze bromide paper Copper bromide paper Silver bromide paper None of the above
Answer Explanation

MCQs 2: The rule used to determine composition of various phases in a phase diagram is _____

Gibb's phase rule Lever rule Both a. and b. None of the above
Answer Explanation

MCQs 3: The process of lowering the temperature of a liquid below its freezing point is known as _____

supercooling undercooling both a. and b. none of the above
Answer Explanation

MCQs 4: Which of the following is an etching reagent used for carbon steels?

Nitric acid Picric acid Both a. and b. None of the above
Answer Explanation

MCQs 5: Eutectoid steel contains _____

0.4 % Carbon 0.8 % Carbon 1.2 % Carbon 2.2 % Carbon
Answer Explanation

MCQs 6: The mixture of α-ferrite and cementite is called as _______

Ledeburite Pearlite Both a. and b. None of the above
Answer Explanation

MCQs 7: Which of the following neutral elements neither form carbides nor cause graphitization?

Aluminium Chromium Cobalt Copper
Answer Explanation

MCQs 8: Which of the following alloying elements prevent formation of austenite in high chromium steels?

Boron Carbon Manganese Titanium
Answer Explanation

MCQs 9: Which of the following alloying elements are deoxidizers?

Aluminium Silicon Both a. and b. None of the above
Answer Explanation

MCQs 10: Which of the following phase is obtained as the end product, after complete heat treatment cycle in austempering process?

Austenite Bainite Martensite Pearlite
Answer Explanation

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