Q201
Open questionIf the voltage range below . . . . . . . ., methanometer of D6 will give faulty reading.
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Mining Engineering · all questionsMine Ventilation
Mine Ventilation
practice.
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440
Questions
11/22
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Q202
Open questionIncubation period of singareni coal field is
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Q203
Open questionThe given mass of gas is subjected to a change of pressure and temperature at one and the same time called
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Q204
Open questionFor every 5% black damp corresponding to . . . . . . . .% of reduction in the O2 percentage.
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Q205
Open questionCO in the air turns the light yellow of potassium palladium sulphate to . . . . . . . .
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Q206
Open questionWhat is the ignition temperature of CO.
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Q207
Open questionThe weight of AFD . . . . . . . . with battery.
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Q208
Open questionThe ratio to the kata factor to time in seconds for alcohol to fall from upper mark to lower mark called
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Q209
Open questionA blotting paper soaked in lead acetate changes its colour to black in the presence of . . . . . . . . gas.
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Q210
Open questionColour of nitrous fumes are
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Q211
Open questionThe production of CO in mine may be due to
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Q212
Open questionThe specific gravity of methane.
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Q213
Open questionWet kata for sedentary workers is
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Q214
Open questionThe lag of ignition of CH4 is increase with
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Q215
Open questionBleader ventilation is for the control of
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Q216
Open questionThe limits of explosibility of methane is explained in this diagram.
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Q217
Open questionGL 60 flame safety lamp detects.
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Q218
Open questionThe absolute temperature is also known as
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Q219
Open questionA pitot tube should be used in conjuction with sensitive . . . . . . . .
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Q220
Open questionThe weight of D6 methanometer . . . . . . . .
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