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
A small square region inside a larger square is shaded. The diagonal of the larger square is three times the diagonal of the small square in length. What fraction of the area of the larger square is not shaded?
A 1/9
B 1/3
C 2/3
D 8/9
Defining green banking is relatively easy. It means promoting environment -friendly practices and reducing your carbon footprint from your banking activities. This comes in many forms : using online banking instead of branch banking; paying bills online, opening up CDs (certificates of deposit) and money market accounts at online banks instead of large multi-branch banks. A green bank takes the biggest steps to support local green initiatives. Any combination of the above personal banking practices can help the environment. In this respect, online banks and smaller community banks have better track records than larger banks .However, these larger banks may be induced to go green . According to the passage, larger, multi -branch banks .
A can never become green banks .
B can become green banks if they reduce the number of branches and eliminate the use of paper .
C can become green banks if they can greatly reduce or eliminate carbon footprint form their banking activities.
D can become green banks if they support local green initiatives
Which of the following is not an advantage of fluidisation from transfer operation point of view?
A Intimate contact of the fluid with all parts of the solid particles
B Lower fluid pumping power requirement
C Minimisation of temperature variation
D Prevention of particle seggregation
Minimum fluidisation velocity for a specific system depends upon the
A Particle size
B Fluid viscosity
C Density of both the particle & the fluid
D All of the above
In continuous fluidisation
A Solids are completely entrained
B The pressure drop is less than that for batch fluidisation
C There is no entrainment of solids
D Velocity of the fluid is very small
Minimum porosity for fluidisation is
A That corresponding to static bed
B That corresponding to completely fluidised bed
C The porosity of the bed when true fluidisation begins
D Less than that of the static bed
With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity
A Widens
B Squeezes
C Does not change
D Unpredictable from the data
The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
A Isotactic
B Saturation
C Inversion
D Throttling
The sum of two numbers is 56. If three times of the smaller number is one-half of the larger number, what is the larger number?
A 16
B 7.5
C 4
D 48

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