logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Mechanical Operations See What Others Are Saying!
  • Question
  • Pick out the wrong statement.


  • Options
  • A. Cummulative analysis for determining surface area is preferred over differential analysis, because of the assumption that "all particles in a simple fraction equal in size" is not needed for cummulative anslysis unlike differential anlaysis.
  • B. A gate diagram is a plot of cummulative percent by weight undersize vs. the reciprocal of diameter, in which the area beneath the curve represents the surface.
  • C. Capacity of crusher in choke feeding is increased.
  • D. Rolling of pebbles/balls from top to bottom of the heap in tumbling mills is called 'cascading and throwing of the balls through the air to the toe of the heap is called 'cataracting'.

  • Correct Answer
  • Capacity of crusher in choke feeding is increased. 


  • More questions

    • 1. Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

    • Options
    • A. more
    • B. less
    • C. same
    • D. cither (a) or (b); depends upon the I.D. of the pipe
    • Discuss
    • 2. Aniline point of the diesel is a measure of its __________ content.

    • Options
    • A. aromatic
    • B. paraffin
    • C. olefin
    • D. naphthene
    • Discuss
    • 3. Dry powdery solid materials are transported by a __________ conveyor.

    • Options
    • A. belt
    • B. bucket
    • C. screw
    • D. none of these
    • Discuss
    • 4. Size reduction does not occur due to compression in case of

    • Options
    • A. rod mills
    • B. gyratory crushers
    • C. jaw crushers
    • D. smooth roll crushers
    • Discuss
    • 5. Thorium can be converted into U-233 in a __________ reactor.

    • Options
    • A. liquid metal cooled
    • B. fast breeder
    • C. thermal
    • D. swimming pool
    • Discuss
    • 6. A rivetted joint does not fail by __________ of rivets.

    • Options
    • A. tearing
    • B. shearing
    • C. tearing of the plate across a row
    • D. none of these
    • Discuss
    • 7. The synthetic fibres produced from __________ are known as rayon.

    • Options
    • A. lignin
    • B. cellulose
    • C. polyamides
    • D. ethylene glycol
    • Discuss
    • 8. A/an __________ is used for changing the direction of a pipeline.

    • Options
    • A. elbow
    • B. union
    • C. flange
    • D. disc compensator
    • Discuss
    • 9. Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

    • Options
    • A. 1 - 2
    • B. 15 - 20
    • C. 50 - 60
    • D. 80 - 85
    • Discuss
    • 10. The ratio of volume of an atom to that of its nucleus is

    • Options
    • A. 1012
    • B. 10-12
    • C. 10-8
    • D. 108
    • Discuss


    Comments

    There are no comments.

Enter a new Comment