The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
Full annealing
Bright annealing
Patenting
None of these
- Liquor poisoning generally occurs due to the presence of __________ in it.
- Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
- Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
- Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
- About __________ ton of coke is required in a cupola to produce one ton of casting.
- Filler material used in welding should have __________ as compared to the parent metal to be welded.
- Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding
- Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion…
- With increase in compression ratio, the volumetric efficiency of air compressor
- L.D. (Linz-Donawitz) converter is used in the production of
- __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
- __________ fluid force is not considered in the Navier-Stokes equation.
- For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other…
- Which of the following represents the correct time-temperature curve when a block of metal is heated…
- During sensible heating of humid air
- One ton of refrigeration is not equivalent to the heat removal rate of
- A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
- Silicon percentage in acid resistant cast iron is about
- In practice, the compression ratio of compression-ignition (CI) engine ranges from
- Which of the following performance characteristics of a S.I engine is not affected by the front end…
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except
- Material of construction of foundry crucible is
- Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.
- Which of the following is the most suitable material of construction for the condenser tubes, where…
- Maximum permissible sulphur content in steel is __________ percent.
- Addition of silicon to cast iron
- To improve the machinability of steel, it is generally subjected to
- Gantt charts are used for streamlining the
- Dry saturated steam can be converted into superheated steam by