Out of the following the refractive index is the highest for
Glass
Diamond
Brine
Kerosene
- The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
- Coating provided on the electrodes used in the arc welding is not expected to
- Steel produced from phosphatic iron is __________ in nature.
- Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
- Eutectoid composition of carbon steel at room temperature is
- Pick out the wrong statement.
- Cementite is in the lamellar form in the __________ phase of steel.
- The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
- Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
- Constituents of stellite are
- Wrought iron does not have
- Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
- In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb…
- Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
- __________ is not a case hardening process.
- The condition of diffraction from a crystal is given by
- Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- Transformer cores are normally made from
- Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
- Temper brittleness of a material can be fairly detected by the __________ test.
- A material is capable of resisting softening at high temperature, because of its property termed as
- Galvanic corrosion cannot be prevented by
- Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
- Material of construction of foundry crucible is
- Which of the following phenomenon will exhibit the minimum heat transfer?
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- Triple point of water is
- Which of the following relationships is correct for relating the three elastic constants of an isotropic…