Out of the following, the alloy which has equal percentage of constituents, is
White metal
Gun metal
Duralumin
Constantan
- The elastic strain in copper is due to the
- Out of the following, the __________ pipe has the least corrosion resistance.
- In electrical resistance welding, distortion results from the use of improper
- Milk is fat dispersed in water. It is an example of
- Ferromagnetic materials owe their properties to __________ inner sub-shells.
- Water hammer is caused in steam carrying pipelines, because of
- Addition of silicon to cast iron
- In condensers used in thermal power plants, steam is normally used in shell side and cooling water on…
- Out of the following, which will fracture most readity, when hit with a hard hammer?
- Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
- One ton of refrigeration is not equivalent to the heat removal rate of
- The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
- Coarse grained steels have
- On being hit with a hammer, __________ will readily fracture.
- Vernier calipers cannot be used to measure the
- The amount of different substances produced, when the same quantity of electricity is passed through…
- Change in volume of metals from absolute zero temperature to their melting points is
- An atom bomb works on the principle of
- __________ of austenite decreases the hardenability in steel.
- To counteract the bad effects of strain hardening on a cold formed part, it must be
- Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
- Basic open hearth furnace (BOF) is not used for producing __________ steel.
- Which of the following materials has the poorest electrical conductivity?
- In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres…
- Which of the following mainly decides the current to be employed is arc welding?
- A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change.…
- The phenomenon occurring during explosion of a hydrogen bomb is
- If a solid is compressed adiabatically in its elastic range, its __________ remains constant
- Pick out the wrong statement about coating/electroplating of metals.
- A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.