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1) The process of creating mechanisms and shapes of mechanical elements for a machine to get the desired output for a given input is called as ___ a. analysis b. innovation c. synthesis d. designing
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2) Which of the following is not a reason to design and redesign a product? a. Optimum design b. Innovation c. Appearance d. None of the above
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3) In design process, which process is followed after selecting the material? a. Selecting factor of safety b. Synthesis c. Analysis of forces d. Determining mode of failure
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4) Which design consideration deals with appearance of the product? a. Ergonomics b. Aesthetics c. System design d. Creative design
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5) The objective of considering ergonomics in machine design is to ____ 1. decrease physical stresses 2. make user adapt to the machine 3. make machine fit for the user 4. improve appearance of the product a. only 2 b. 3 and 4 c. 1 and 3 d. 1, 3 and 4
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6) Hardness of a material enables it to resist _______ a. abrasion b. penetration c. plastic deformation d. all of the above
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7) The component deforming progressively under load at high temperatures is called as a. Resilience b. Creep c. Fatigue d. All of the above
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8) Which of the following ferrous alloys can be casted into intricate shapes? a. Plain carbon steels b. Alloy steels c. Cast irons d. All of the above
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9) Which of the following is not a property of copper alloy? a. High electrical conductivity b. High thermal conductivity c. High strength d. None of the above
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10) What is the percentage of carbon in plain carbon steel? a. 60 to 80% b. Less than 1.7% c. Less than 7% d. None of the above
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