The safe height (h) to diameter D. ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than _________________?

Related Mcqs:

Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?

A. It is unsuitable for concentrating those liquids, which form a scale or deposit salt B. It is suitable for process, in which the final product is a liquor instead of solid C. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres D. … Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?Read More...

At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally ?

A. Higher B. Lower C. Same D. Unpredictable...

A cylindrical pressure vessel of volume 6 πm3 has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to________________?

A. 5 mm B. 6 mm C. 8 mm D. 10 mm...

The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?

A. < 30 B. < 7 C. > 7 20 < 50...

Excessive liquid gradient on a tray may result in the______________________?

A. Maldistribution of gas B. Back trapping C. Gas blowing beneath cap skit D. All A., B. and C....