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1) What is the effect of temperature on stiffness of a metal? a. Temperature has no effect on stiffness of a metal b. As temperature increases stiffness of metal decreases c. As temperature increases stiffness of metal increases d. None of the above
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2) What is meant by malleability? a. Metals undergo plastic deformation under compressive stresses b. Metals can be drawn into wires c. Both a. and b. d. None of the above
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3) What is meant by ductility? a. Metals can be drawn into sheets b. Metals undergo elastic deformation under tensile loads c. Metals undergo plastic deformation under tensile loads d. All of the above
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4) Which of the following statements is/are true? a. In tensile specimens necking is observed in brittle fractures b. Cup and cone formation characterizes ductile fractures c. Stress in brittle fractures increases during cracking d. All the above
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5) Erichsen cupping test is known as a. creep test b. torsion test c. fatigue test d. formability test
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6) During radiography test, which region absorbs less radiation and transmits more? a. Low and high density regions absorb and transmit same amount of radiation b. High density region c. Low density region d. None of the above
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7) Which test is used to determine dimensions of any object? a. Ultrasonic test b. Torsion test c. Eddy current test d. All of these tests can be used to determine dimensions of any object
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8) Eddy current test is used to detect a. cracks b. hardness c. conductivity d. All of the above
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9) In which type of test the capillary action principle is used? a. Probe test b. Bend liquid test c. Dye penetrant test d. None of the above
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10) Which test can be performed without skilled labour? a. Dye penetrant testing b. Visual testing c. Ultrasonic testing d. Magnetic particle test
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