Which of the following metals cannot be hot worked at room temperature ?

Related Mcqs:

Chlorine acts as a bleaching agent only in the presence of ______________________?

A. Dry air B. Pure oxygen C. Moisture D. Sunlight...

Materials having ________________ lattice structure are usually the most ductile ?

A. Body centred cubic (bcc) B. Hexagonal close packed (hcp) C. Face centred cubic (fcc) D. None of these...

Which of the following metals reacts violently with water ?

A. Mercury B. Sodium C. Calcium D. Magnesium...

Fahrenheit and Centigrade scales have the same readings at _____________________?

A. -55° B. -40° C. -33° D. -58°...

Which of the following is not a charge material for cupola ?

A. Limestone B. Iron scrap C. Iron ore D. Pig iron...