Which of the following is the hardest material ?

Related Mcqs:

Wrought iron is a suitable material of construction for handling _____________ solutions?

A. Dilute acidic B. Concentrated acidic C. Alkalis & alkaline D. None of these...

Anodic material used for the cathodic protection of underground buried steel pipeline is_________________?

A. Nickel or copper B. Zinc or magnesium C. Bronze D. Brass...

The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called__________________?

A. Bauschinger effect B. Hooke’s effect C. Hysteresis D. Relaxation...

Common house hold glass (i.e., soda-lime glass) is a/an _____________ material?

A. Fully crystalline B. Partly crystalline C. Amorphous D. None of these...

A bearing metal should not have___________________?

A. Enough plasticity B. Low thermal conductivity C. Low co-efficient of friction D. High toughness...