Related Questions

The sensitivity of a bubble tube can be increased by
A increasing the diameter of the tube
B decreasing the length of bubble
C increasing the viscosity of liquid
D decreasing the radius of curvature of tube
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the
A Allowable gas velocity through the slots
B Plate spacing
C Diameter of the column
D All of the above
A delivery car went from Candleford to Lark Rise and back at an average speed of23 miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?
A 13
B 34
C 12
D 23
A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the distance from Candle ford to Lark Rise is 1 mile, and the trip back took half as much time as the trip there, what was the average speed of the delivery cart on the way to Lark Rise?
A 1/3
B 3/4
C 1/2
D 2/3
Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury)
A d
B $$\frac{1}{{\text{d}}}$$
C $$\sigma $$
D $$\frac{l}{\sigma }$$
With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will
A Decrease
B Increase
C Remain unchanged
D Depend upon the characteristics of liquid
The rise or depression of liquid in a tube due to surface tension will increase in size of tube will
A Increase
B Remain unaffected
C May increase or decrease depending on the characteristics of liquid
D Decrease
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will
A increase
B remain unaffected
C may increase or decrease depending on the characteristics of liquid
D decrease
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.
A Sodium chloride
B Sodium carbonate monohydrate
C Anhydrous sodium sulphate
D Hypo
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.
A Less than
B 1.25-1.50 times
C 2.5 times
D One-fourth of

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