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MCQs 1: Economic cutting speed is minimum if geometric ratio is _________

minimum maximum equal to economic cutting speed none of the above
Answer Explanation

MCQs 2: Maximum and minimum diameter of a shaft to be machined is 100 mm and 80 mm respectively. What is the maximum spindle speed if cutting velocity is 40 m/min?

120 r.p.m 127 r.p.m 160 r.p.m. 636 r.p.m.
Answer Explanation

MCQs 3: A machine tool has minimum speed of 100 r.p.m. How many speed steps are required by it to achieve speed of 200 rpm? (Geometric progression ratio = 1.06)

11 12 13 14
Answer Explanation

MCQs 4: Which discharge method provides only intermediate discharge for low speed flat belt conveyor?

Plow discharge Tripper discharge Both a. and b. None of the above
Answer Explanation

MCQs 5: Which of the following belt conveyors have low volume carrying capacity?

Flat belts Troughed belts Both a. and b. None of the above
Answer Explanation

MCQs 6: Which of the following methods is most efficient method of design of experiments (DOE)?

Factorial design Fractional factorial design Taguchi method All of the above
Answer Explanation

MCQs 7: What will be the number of tests required in an experiment to obtain maximum information based on factorial design if, number of levels and number of factors are 2 and 5 respectively?

32 25 10 None of the above
Answer Explanation

MCQs 8: In which of the following designs, system provides its minimum critical function even after failure of the component?

Fail passive design Fail active design Fail operational design None of the above
Answer Explanation

MCQs 9: Selection of welding process does not depend on ___________

thickness of material availability of equipments economics of the process none of the above
Answer Explanation

MCQs 10: Which of the following parameters are to be considered for parts with non rotational symmetry in machining process?

Avoid long parts Avoid tin parts Machined surfaces should be parallel to each other and with the base All of the above
Answer Explanation

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