Large scale fire on fuel gas line is normally extinguished by________________?

Related Mcqs:

Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?

A. Seamless & made of steel B. Heat treated before use C. Made by sand casting D. Welded steel cylinders...

Unit of surface tension in S.I. unit is_________________?

A. Watt/m B. Joule/m2 C. Newton/m2 D. Joule/m...

Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?

A. Wood’s metal B. Babbitt metal C. Monel metal D. Duralumin...

Which of the following is an acidic constituent of B.F. slag ?

A. SiO2 B. FeO C. MgO D. CaO...

Ammonia leakage in the refrigeration system is detected by_________________?

A. Sulphur stick, which on detection gives white smoke B. Using chemical reagents C. Its smell D. Soap solution...