For grinding of softer materials, the grinding wheel should have __________ grain size.
Finer
Coarser
Medium
Any type of
- __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it…
- Euler number is defined as the ratio of inertia force to __________ force.
- Pick out the correct statement about the condensation.
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- Which of the following is the most suitable abrasive for grinding high tensile strength materials?
- Baffles provided on the shell side of a shell and tube heat exchanger are meant for
- High speed steel tools retain their hardness upto a temperature of __________ °C.
- Fibre glass is a composite material of
- __________ pipe is the most suitable for carrying sanitary drainage.
- The most abundant metal present in the earth's crust is;
- Which of the following materials has the least scrap value?
- Fatigue resistance of a material is measured by the
- Electrometallurgical methods of metal extraction is normally used for those metals
- CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because…
- Removal of non-condensable from steam or other vapour is termed as the __________ process.
- Powder metallurgy process does not make metal powder by
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
- Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
- Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
- Wood is a/an __________ material.
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding
- Alloy powder manufactured by the following process have spherical shapes.
- The main charge in blast furnace is usually
- The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
- Laser welding is widely employed in the __________ industries.
- The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
- __________ can replace tungsten in high speed steel.
- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C…
- __________ is the most important element, which controls the physical properties of steel.