Colour comparator is used to measure the
pH value
Electrode potential
Colour intensity
None of these
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- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- Often earing defects are found during deep drawing operation, because the
- Nusselt number/Biot number varies
- __________ wire is never used for making the heating element.
- Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
- Which of the following terminology is used for the temperature at which new grains are formed in a metal?
- LVDT used for displacement measurement is a/an __________ transducer.
- Identify the correct statement with reference to the extractive metallurgy of aluminium.
- Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat…
- Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- __________ of test specimens is not involved in any hardness testing method.
- Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
- Principal alloying element in Elinvar (used for making hair springs for watches) is
- One of the methods of purification of leach liquor is ion exchange, which involves
- Basicity of the slag in Indian blast furnace is in the range of
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- Wavelength of radiation emitted by a body depends on the __________ of its surface.
- At absolute zero temperature, for any reaction involving condensed phases
- The product out from a cupola is called
- Faraday's law of electrolysis is related to the
- On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the…
- Stainless steel is welded with difficulty because of
- Consideration of the creep is the most important in case of the
- Tumbling is the process of improving the __________ of the materials/parts.
- The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log…
- As the fluid flow rate increases, the float of the Rotameter
- __________ the exhaust gas is an indication of the incomplete combustion of fuel.
- Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at…
- The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…