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  • Question
  • The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be


  • Options
  • A. The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea
  • B. The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea
  • C. The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea
  • D. The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea

  • Correct Answer
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  • More questions

    • 1. The injection pressure in a diesel engine is about

    • Options
    • A. 10 bar
    • B. 100 bar
    • C. 150 bar
    • D. 500 bar
    • Discuss
    • 2. The discharge is __________ at critical pressure.

    • Options
    • A. zero
    • B. minimum
    • C. maximum
    • Discuss
    • 3. The heating and expanding of a gas is called thermodynamic system.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 4. The workdone in a free expansion process is zero.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The rivets are used for __________ fastenings.

    • Options
    • A. permanent
    • B. temporary
    • Discuss
    • 6. The limit of eccentricity is based upon no tension condition.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A file with 50 - 60 teeth in 25 mm is called bastard file.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Blast furnace is used to produce

    • Options
    • A. pig iron
    • B. cast iron
    • C. wrought iron
    • D. steel
    • Discuss
    • 9. In welding aluminium with TIG arc welding, alternating current is used.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 10. German silver contains

    • Options
    • A. 1% silver
    • B. 2% silver
    • C. 5% silver
    • D. no silver
    • Discuss


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