Materials and Construction

Chilled iron castings are__________________?

Byadmin March 10, 2019August 27, 2021

Chilled iron castings are__________________?

A. Easily machinable
B. Soft on surface
C. Highly wear resistant
D. None of these

Materials and Construction

Purity of electrical grade aluminium should be ≥ _____________ percent?

Purity of electrical grade aluminium should be ≥ _____________ percent?

A. 95
B. 99.5
C. 85
D. 90

Read More Purity of electrical grade aluminium should be ≥ _____________ percent?
Materials and Construction

The fermenter used for the production of ethyl alcohol from molasses is made of________________?

The fermenter used for the production of ethyl alcohol from molasses is made of________________?

A. Wood
B. Concrete
C. Copper bearing steel
D. Porcelain

Read More The fermenter used for the production of ethyl alcohol from molasses is made of________________?
Materials and Construction

Addition of tungsten to steel imparts___________________?

Addition of tungsten to steel imparts___________________?

A. Magnetic properties
B. Cutting hardness
C. Corrosion resistance
D. Ductility

Read More Addition of tungsten to steel imparts___________________?
Materials and Construction

Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?

Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?

A. Nuts
B. Bolts
C. Chisels
D. Studs

Read More Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
Materials and Construction

A magnetic material becomes ____________ above the Curie temperature?

A magnetic material becomes ____________ above the Curie temperature?

A. Ferromagnetic
B. Diamagnetic
C. Paramagnetic
D. None of these

Read More A magnetic material becomes ____________ above the Curie temperature?
Materials and Construction

Tempering of steel is done to make it_________________?

Tempering of steel is done to make it_________________?

A. Brittle
B. Hard
C. Rollable
D. Soft

Read More Tempering of steel is done to make it_________________?

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