Cementite is in the lamellar form in the __________ phase of steel.
Martenistic
Bainitic
Pearlitic
Ferritic
- While the bin cards are used in the effective stores management, the queuing theory is associated with…
- Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air…
- A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K…
- Fog is an example of colloidal system of
- With increase in impurities in metals, their corrosion resistances
- For grinding of softer materials, the grinding wheel should have __________ grain size.
- The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
- Laser welding is widely employed in the __________ industries.
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point…
- What is the value of included angle of a triangular notch for maximum discharge?
- Methyl orange indicator turns
- Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
- Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed…
- Chromium molybdenum steel cannot be welded using __________ welding.
- The product out from a cupola is called
- Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel &…
- With increase in steam pressure, its specific volume decreases
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
- Materials having __________ lattice structure are usually the most ductile.
- Photographic plates are coated with
- Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
- Case hardening is not done by
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- Super conduction in metals is observed at a temperature of __________ °K.
- Out of the following, the most malleable material is
- Recrystallisation temperature of steel is __________ °C.
- Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________…
- Fire in fuel gas pipelines is extinguished most effectively by
- Hydrogen in liquid steels is dissolved