Hardness is a very important property of the metals and has a wide variety of meanings. It embraces many different properties such as resistance to wear, scratching, deformation and machinability etc. It also means the ability of the metal to cut another metal.
The hardness is usually expressed in numbers which are dependent on the method of making the test.
51) Which one of the following properties offers resistance to abrasion
Answer is:
Hardness
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2018 (Set - 1) with Answer Key
Answer is:
Ductility
Explanation:
Ductility is a property of a material enabling it to be drawn into wires.
Malleability is a property of a material enabling it to be drawn into thin sheets.
Answer is:
Pipe vice
Explanation:
Pipe vice is used for holding sections of metal, tubes and pipes.
Answer is:
Universal vice
Explanation:
Universal vice can be set at any desired angle in both horizontal and vertical planes.
Answer is:
Least count
Explanation:
Least Count of an instrument is the smallest measurement that can be taken using an instrument. In other words, it is the smallest change an instrument can measure.
