__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
Mach
Reynolds
Froude
Weber
- Which of the following is the largest quantum of pressure?
- Baffles provided on the shell side of a shell and tube heat exchanger are meant for
- Which of the following processes follows the hardening process for reducing the hardening strains &…
- Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point…
- The most suitable material for die casting is
- Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
- Percentage of argon (by volume) in dry atmospheric air is about
- Large scale fire on fuel gas line is normally extinguished by
- Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
- Secondary hardening in steels arises out of the
- The swift cup test evaluates the following property of a sheet metal.
- Corona discharge is related to the operation of a/an
- Hot extrusion of aluminium is done in the temperature range of __________ °C.
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- As per international norms, the maximum permissible value of noise level in the industrial environment…
- Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
- Lap joints are preferred over butt joints in soldering/brazing, because these joints are
- For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
- Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
- __________ of air does not increase with increase in temperature.
- Tesla metre per ampere (T. m/A) is the unit for the measurement of
- Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil,…
- The most important consideration, while designing the refrigeration system of an aircraft is that the…
- Glass reacts with
- Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
- The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
- Out of the following, the best material capable of withstanding shock & vibration without the danger…
- Increase in the entropy of a system represents the
- The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation…