Question
Which of the following gas usually causes explosions in
coal-mines?Solution
Methane explosions occur in coal-mines when a buildup of methane gas, a by-product of coal, comes into contact with a heat source, and there is not enough air to dilute the gas to levels below its explosion point.
A branch and subsidiary are
‘Pusa Nasdar’ and ‘Pusa Chikni’ are the varieties of:
When scientist demonstrate the improved technology in the farmers’ field to increase the productivity and have higher yield and economic benefits vis ...
Which weathering process involves the breakdown of rocks by freezing and thawing of water?
The thorax is the middle section of the insect's body, and it contains the wings and legs. How many pairs of legs do insects typically have?
Consider the following statements and choose the correct statements:
(A). Sugarcane has kranz anatomy in their leaves
(B). Maize is a C�...
Given below are two statements:
Statement I: Taichung Native 1 is the first dwarf variety of rice developed by crossing.
Statement II: I...
Which soil texture class has a bulk density of approximately 1.6 g/cm³?
Which variety of Sorghum exhibits tolerance to drought and salinity?
Central Institute of Post-Harvest Engineering and Technology is located at----