1. The density of air DC shaft 1.2 and the height of motive column is 12 m what is the NVP in kg/m2.
2. EMCOR CO detection and monitoring system weight in . . . . . . . . kg.
3. The mixture of gases emanting from the strata of the coal mine contains ethane etc.
4. . . . . . . . . sign is to be used when pressure gauge records vaccum.
5. The frame along with thermometer is whirled at . . . . . . . . rpm.
6. The cooling power calculated is called wet if there is
7. Most commonly used dust in mins through at the world for stone dusting is of
8. The quantity of air in ventilating district the minimum should be . . . . . . . . m3 per person employed in largest shift and more than . . . . . . . . m3/min per daily ton out put.
9. Oxygen deficiency monitor made in Lucknow in
10. OXD-2M instrument alarm is adjustable from . . . . . . . . of O2 content.
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