Most of the explosions in mines occur due to the mixing of (a) Hydrogen with oxygen (b) Oxygen with acetylene (c) Methane with air (d) Carbon dioxide with ethane
2 14665Which one of the following elements is essential for the construction of nuclear reactors?? (A) Cobalt (B) Nickel (C) Zirconium (D) Tungsten
2 13264Post New VAO Interview Questions
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