Nusselt number/Biot number varies
Inversely with thermal conductivity
Directly with heat transfer co-efficient
Directly with thermal conductivity
Inversely with the dimension of the solid
- The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
- Babbitt lining is used on brass/bronze bearings to increase the
- The most important requirement for aluminium industry is the availability of cheap
- For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation…
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
- Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
- At absolute zero temperature, for any reaction involving condensed phases
- Fahrenheit and Centigrade scales have the same readings at
- at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of…
- Tin based white metals are used, where bearings are subjected to
- One ton of refrigeration is not equivalent to the heat removal rate of
- Carbon supply in pack carburising process is in the form of
- Which one is neutral in character?
- With increase in compression ratio, the volumetric efficiency of air compressor
- About __________ ton of coke is required in a cupola to produce one ton of casting.
- Blow off cock is provided in steam boiler to
- The main constituent of bones is
- __________ test is the appropriate test to determine whether a material is ductile or brittle.
- Austempering process results in the formation of __________ structure.
- The co-ordination number in simple cubic structure is
- 'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable…
- __________ wire is never used for making the heating element.
- Hot extrusion process is not used for making
- __________ of austenite decreases the hardenability in steel.
- Dew point temperature always gives an indication of the __________ of the moist air.
- Joule-Thomson co-efficient is the ratio of
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- Super conduction in metals is observed at a temperature of __________ °K.
- The activity co-efficient of the solute in a dilute solution
- Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.