Cassiterite is an ore of
Tin
Lead
Molybdenum
Chromium
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- The main reducing agent in iron blast furnace is
- Carbon is present in the form of __________ in grey cast iron.
- Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
- __________ wire is never used for making the heating element.
- Spark plug is provided in a/an
- Laser is a device to produce
- Which of the following has the least value of ultimate tensile strength (UTS)?
- Identify the correct statement with reference to the extractive metallurgy of aluminium.
- The mechanism involved in the removal of metal in drilling operation is by
- M10 index of coke indicates its
- Earing is a defect found in steels after the following metal working operation.
- Which of the following is the correct nature of shear stress distribution along the cross section in…
- Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
- Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
- Cold chisel & hammers are made of
- Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.
- The most serious manufacturing defect from fracture toughness point of view is
- The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer…
- Recrystallisation temperature of steel is __________ °C.
- Screws are specified by their __________ diameters.
- Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
- In multipass welds, shot peening is done after each pass to
- Liquor poisoning generally occurs due to the presence of __________ in it.
- Direct conversion of thermal energy to electrical energy is facilitated by the
- Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
- Pick out the correct combination about the role of various additives used in polymers.
- Cassiterite is an ore of
- Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
- Addition of __________ to steel does not help in improving its machinability.
- Carbon supply in pack carburising process is in the form of