The gas used in a refrigerator in order to cool the water is________?
A. Ammonia
B. Carbon dioxide
C. Methane
D. Oxygen (more…)
B. Carbon dioxide
C. Methane
D. Oxygen (more…)
B. field strength
C. inductance
D. flux density (more…)
B. An alloy of copper and Lead
C. An alloy of aluminium and tin
D. An alloy of copper and sulphur (more…)
A. 600 Rs
B. 800 Rs
C. 12000 Rs
D. 1000 Ra