Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by
- Quartz is a __________ material.
- Which of the following phenomenon will exhibit the minimum heat transfer?
- Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
- Silicon in steel
- Dies for wire drawing are generally made of
- Coarse grained steels have
- The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral…
- __________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in…
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
- Solute atoms which cause yield point phenomenon in mild steel are/is
- Neutrons are present in all atoms except that of
- __________ metal is used as a bearing liner material.
- Magnesium is present in
- In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
- The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
- Earing is a defect found in steels after the following metal working operation.
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble…
- Which of the following pairs is not correctly matched?
- A compact estimate about the amount of materials handling between various work stations is obtained…
- The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
- The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the…
- Consideration of the creep is the most important in case of the
- Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be
- What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer…
- For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be