Presence of nickel & chromium in steel does not raise its
Elastic limit
Machining properties
Ductility
Resilience
- Water hammer is caused in steam carrying pipelines, because of
- Transformer cores are normally made from
- __________ is the hardest material out of the following.
- The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
- The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
- __________ of air does not increase with increase in temperature.
- The activity co-efficient of the solute in a dilute solution
- In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
- Sudden fall of atmospheric pressure by a large amount is an indication of the
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as
- Oxygen cylinders used for autogenous (cutting/welding) purposes are
- Screws are specified by their __________ diameters.
- __________ is a special constituent of chlorophyll without which photosynthesis is not possible.
- The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a…
- __________ test can be termed as the semidestructive test.
- Joule-Thomson co-efficient is the ratio of
- Maraging steels derive their strength from the following mechanism:
- Materials having __________ lattice structure are usually the most ductile.
- __________ the exhaust gas is an indication of the incomplete combustion of fuel.
- The main reducing agent in iron blast furnace is
- Heat required to raise the temperature of a body by 1 °C is called its
- The product (s) of roasting of a sulphide ore is (are)
- Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
- Pick out the wrong statement.
- Addition of silicon to cast iron
- Increasing sulphur content in pig iron tends to make it
- Consideration of the creep is the most important in case of the
- Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
- Materials having resistivity ranging from 1 to 100 ohm. cm is termed as