firedamp वाक्य
उदाहरण वाक्य
मोबाइल
- In the first half of the 19th century there were many disasters, many caused by firedamp and inadequate ventilation.
- He reasoned that a lamp in a chimney could create a sufficient updraft that firedamp would not penetrate down the chimney.
- Previous experimenters had used coal gas ( chiefly carbon monoxide ) incorrectly, believing it to be the same as firedamp.
- If firedamp is drawn into the flame it will burn more brightly and if the proportions are correct may even detonate.
- Such an incident occurred at Nicholson Pit in 1856 on a lamp being used by an overman to test for firedamp.
- Later models had graduated shields by which the deputy could determine the concentration of firedamp from the heightening of the flame.
- On 1 October 1895 five men including the colliery manager and undermanager died at Shakerley Colliery after an explosion of firedamp.
- An explosion caused by firedamp, after poor ventilation allowed a build-up of flammable gas, killed 31 miners.
- An explosion of firedamp, ignited by a safety lamp, in 1858 cost the lives of 25 men and boys.
- In 1860, Rouquayrol became concerned with mine safety problems related to firedamp ( flammable natural gases in coal mines ).
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