Question

When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

a.

pool

b.

nucleate

c.

transition

d.

film

Answer: (d).film

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)

Q. Stefan-Boltzman law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C, T = absolute temperature in ° K )

Q. The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is

Q. Among liquids, water has a comparatively high value of thermal conductivity, due to its

Q. Reynold's analogy states that (where, St = Stanton number f = friction factor)

Q. For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is

Q. The sum of reflectivity and absorptivity for an opaque body is equal to

Q. The film thickness for laminar film condensation on vertical surface __________ from top to bottom.

Q. What is the steam economy in case of a single effect evaporator system ?

Q. If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length

Q. jH factor for heat transfer is not a function of the __________ number.

Q. The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by

Q. The energy radiated from a surface Q at absolute temperature T is related as

Q. A 2-4 heat exchanger involves

Q. In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always

Q. With increase in temperature, the thermal conductivity of steel

Q. Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids ?

Q. The main function of baffles provided in a shell and tube heat exchanger is to

Q. 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a

Q. A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter 'd'. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!