__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
Stellite
High speed steel
Cermet
Alnico
- Annealing of cast iron
- When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
- In the diving apparatus, helium is used along with oxygen, because it is
- __________ is not used as the control rod material in a nuclear reactor.
- Which of the following is an example of stress corrosion?
- Pearlite comprises of
- Which of the following equipments is used for liquid dispersion?
- Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
- __________ test can be termed as the semidestructive test.
- The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
- More than 95% of __________ is present in corundum.
- A reduction in thermal resistance during heat transfer does not occur in the
- __________ is used for tying the steel columns to concrete foundation.
- A form of stress corrosion failure termed as 'season cracking' is generally observed in
- Multistage compression of air as compared to single stage compression offers the advantage of
- Which of the following is an unconventional source of energy?
- Use of flux during soldering is done to
- The order of a chemical reaction
- High speed steel tools retain their hardness upto a temperature of __________ °C.
- Between 230 and 370°C, blue brittleness is caused in mild steel because of the
- Spherical shape of mercury droplets is due to its
- __________ remains constant during the adiabatic cooling of moist air.
- Filler material used in welding should have __________ as compared to the parent metal to be welded.
- __________ is the most important element, which controls the physical properties of steel.
- Which of the following gases cause global warming?
- Which of the following heat treatment processes is usually applied to castings?
- Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
- Calorific value of __________ are almost same.
- Increase in the entropy of a system represents the
- Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…