EOM-2 paper 7

31,Methane gas is also called as?,

stink damp,

Marsh gas,

choke damp,

white damp,

32,Methane can be found at?,

roof,

floor,

Any place in the roadway,

Exhaust gases of the locomotive,

33,M.S.A methanometer is worked on the principle of?,

Formation of gas cap,

Wheatstone bridge,

Infraradiation,

Optical properties,

34,Spiralaram is worked on the principle of?,

Formation of gas cap,

Wheatstone bridge,

Infraradiation,

Optical properties,

35,Ring rose detector works on the principle of?

,Formation of gas cap,

Wheatstone bridge,

Diffusion-combustion-contraction,

Optical properties,

Ans: 2, 1, 2, 1, 3