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  • Question
  • Collapsible tubes for tooth paste are produced by __________ extrusion.


  • Options
  • A. direct
  • B. indirect
  • C. impact
  • D. none of these

  • Correct Answer
  • impact 


  • More questions

    • 1. __________ is a copolymer.

    • Options
    • A. Nylon-66
    • B. Polyrophylene
    • C. PVC
    • D. Poly tetra flouro ethylene
    • Discuss
    • 2. Petroleum deposits are detected by the.

    • Options
    • A. oil seepage at the surface of the earth.
    • B. measuremet of density, elasticity and magnetic & electric properties of the rock in the crust of the earth.
    • C. age & nature of rocks inside the crust of the earth.
    • D. all (a), (b) and (c)
    • Discuss
    • 3. Hole diameter of the seive trays in the distillation column ranges from __________ mm.

    • Options
    • A. lto3
    • B. 4 to 8
    • C. 3 to 12.5
    • D. 12.5 to 18.5
    • Discuss
    • 4. Nylon-6 is a

    • Options
    • A. polyamide
    • B. thermosetting resin
    • C. polyester
    • D. none of these
    • Discuss
    • 5. Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, ? = yield strength and E = modulus of elasticity)

    • Options
    • A. E
    • B. ?
    • C. ?/E
    • D. E/?
    • Discuss
    • 6. Stamp mills are generally used for crushing

    • Options
    • A. iron ores
    • B. gold ores
    • C. talc
    • D. diamond
    • Discuss
    • 7. Molar heat capacity of water in equilibrium with ice at constant pressure is

    • Options
    • A. 0
    • B. ?
    • C. 1
    • D. none of these
    • Discuss
    • 8. The OH- concentration in a solution having pH value 3 is

    • Options
    • A. 10-3
    • B. 10-10
    • C. 10-11
    • D. 10-13
    • Discuss
    • 9. Collapsible tubes for tooth paste are produced by __________ extrusion.

    • Options
    • A. direct
    • B. indirect
    • C. impact
    • D. none of these
    • Discuss
    • 10. __________ heat exchanger is also known as 'hair pin type' exchanger,

    • Options
    • A. Double pipe
    • B. Finned
    • C. Plate type
    • D. Regenerative
    • Discuss


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