A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?

Related Mcqs:

The crystal structure of most of the common metals is_____________________?

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

Which of the following has no effect on the carbide forming tendency in steels ?

A. Molybdenum B. Phosphorus C. Chromium D. Vanadium...

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...

Centrifugal pump made of pyrex or glass can’t be used to pump___________________?

A. Milk and fruit juices B. Alkaline solutions C. Dilute H2SO4 at room temperature D. Brine...

The ‘bomb’ in the bomb calorimeter is made of___________________?

A. Molybdenum stainless steel B. Mild steel C. High silicon iron (14% Si) D. Copper...