Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.
Hot rolled mild
Cold rolled mild
Forged
Machinable stainless
- Blow off cock is provided in steam boiler to
- Pick out the wrong statement.
- Water hammer is caused in steam carrying pipelines, because of
- Carbon is present in the form of __________ in grey cast iron.
- The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer…
- Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
- Normalising of a casting does not
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
- Methyl orange indicator turns
- The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________…
- Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
- The rolling process cannot be used to produce
- Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
- A compact estimate about the amount of materials handling between various work stations is obtained…
- Which of the following metals reacts violently with water?
- Powder metallurgy technique is used in the production of __________ tools.
- Iron content in Indian iron ore is about __________ percent.
- Secondary hardening in steels arises out of the
- If Reynolds number is greater than 1, then the
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
- Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
- What happens, when SO2 is passed through a solution of H2S in water?
- Specific __________ is a dimensionless quantity.
- Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative…
- Pick out the wrong statement
- The transition temperature at which all the ferromagnetic materials become paramagnetic materials is…
- Transformer cores are normally made from
- Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling…
- Tumbling is the process of improving the __________ of the materials/parts.
- Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.