Materials and Construction Archives

Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?

Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?

A. Ultimate tensile strength (U.T.S.)
B. Endurance limit
C. Elastic limit
D. None of these

Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________? Read More »

Materials and Construction

Cast iron is having very high ___________________?

Materials and Construction / admin

Cast iron is having very high ___________________?

A. Proximity between its elastic limit and ultimate breaking strength
B. Ductility
C. Tensile strength
D. All A., B. and C.

Cast iron is having very high ___________________? Read More »

Materials and Construction

Lead pipe is_____________________?

Materials and Construction / admin

Lead pipe is_____________________?

A. Especially resistant to solutions containing H2SO4
B. Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
C. Having very low elastic limit resulting in permanent deformation from either mechanical or
thermal strain
D. All A., B. and C.

Lead pipe is_____________________? Read More »

Materials and Construction

The crystal structure of most of the common metals is_____________________?

Materials and Construction / admin

The crystal structure of most of the common metals is_____________________?

A. Orthorhombic
B. Cubic
C. Hexagonal
D. None of these

The crystal structure of most of the common metals is_____________________? Read More »

Materials and Construction

Spark plugs are made of______________________?

Materials and Construction / admin

Spark plugs are made of______________________?

A. High alumina ceramic
B. Metallic carbides
C. Corundum
D. Carborundum

Spark plugs are made of______________________? Read More »

Materials and Construction

In cold working of metal as compared to its hot working____________________?

Materials and Construction / admin

In cold working of metal as compared to its hot working____________________?

A. Cracks and blow holes are eliminated
B. Ductility and impact strength improves
C. Appreciable strain hardening is produced
D. Yield stress, hardness and fatigue strength is not at all affected

In cold working of metal as compared to its hot working____________________? Read More »

Materials and Construction