The substance used as a smoke screen in warfare is___________________?

Related Mcqs:

The refrigerant freon-12 is chemically_______________________?

A. CCl2F2 B. CCl3F C. CClF3 D. CCl4F...

The best lubricants for a machine working at high temperature & load is_________________?

A. Grease B. Solid lubricant C. Animal oils D. Mineral oils...

Out of the following, the ________________ pipe has the least corrosion resistance?

A. Mild steel B. Copper C. Cast iron D. Wrought iron...

Hydro-cyclone is a____________________?

A. Crusher B. wet classifier C. Dry classifier D. Magnetic separator...

Tempering of a material does not improve its____________________?

A. Machinability B. Toughness C. Internal stress level D. Softness...