Related Questions

A circular flower bed has diameter 4m. The flower bed is increased so that the diameter is now 12m. How many times larger is the new flower bed?
A 9
B 3
C 32
D 8
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
A d = 0.445 a
B d = 0.557 a
C d = 0.775 a
D None of these
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.
A Less than
B More than
C Same as
D None of these
When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed.
A Spouted
B Sluggish
C Boiling
D Teeter
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
A microfilm
B microfiche
C film card
D COM
E None of the above
The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
A Equal to
B Twice
C Thrice
D One-half
Slugging occurs in a fluidised bed, if the bed is
A Narrow
B Deep
C Both A & B
D Neither A nor B
For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is
A More
B Less
C Equal
D Independent of porosity
Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?
A 15
B 20
C 25
D 30
Son's age is now one-third of father's age. In twelve years from now son's age will be one half of the father's age . What is the son's age in years now ?
A 6
B 10
C 24
D 12

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