Gratings is associated with the measurement of
Linear displacement
Concavity/convexity
Surface texture
Flatness
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- Sub zero treatment of steel is done to
- The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
- __________ of hard alloy and tool steel is done to make it easily machinable.
- An alloy of Fe - 0.4 % C is
- The approximate height of a blast furnace having a useful volume of 2000 m3 is about __________ metres
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
- What is the value of entropy at 273°K?
- Maximum permissible air velocity in pipelines is about __________ metre/second.
- Multistage compression of air as compared to single stage compression offers the advantage of
- Hot extrusion process is not used for making
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
- The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
- The main reducing agent in iron blast furnace is
- The mechanism which changes the value of manipulated variable in response to the output signal from…
- Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
- The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
- Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.
- Carbon supply in pack carburising process is in the form of
- Silicon crystal can be converted to p-type semiconductor by doping with
- Tip of the match stick contains a mixture of
- Limestone is added in the blast furnace (during pig iron manufacture) to
- Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
- __________ is the hardest material out of the following.
- Atomic __________ is a whole number for an element.
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- Pick out the wrong statement.
- The trace metal present in insulin is
- Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- For an ideal gas, Cp - Cv is