Related Questions

Softening temperature of coal ash is a measure of the __________ of coal.
Softening temperature of coal ash is a measure of the . . . . . . . . of coal.
Consider the following statements relating to Coal India Limited:1. It is designated as a 'Maha Ratna'company under the Ministry of Coal.2. It is the single largest coal producing company in the world.3. The Headquarters of Coal India Limited is located at Ranchi Jharkhand.
Which of the statements given above is/are correct?
Weight of the coal is 2g and after heating the coal sample, the weight of the coal is 1.82g. What is the % of the moisture in coal?
An O.C. mine requires 16 blocks of overburden of 3000 te each to mine 4 blocks of coal of 2000 te each. The mining cost of both overburden and coal is Rs. 50 per tonne. The cost of transportation of overburden to dump areas is Rs. 50 per tonne. Coal transportation cost to the selling point is Rs. 75 per tonne. The price of coal is Rs. 800 per tonne, If the royalty and tax to the state is Rs. 50 per tonne, the nominal profit in rupees is
Consider the following problems being faced by the Indian Coal Industry :
I. Poor quality of coal and bottlenecks in the coal movement
II. Low utilisation capacity of washeries
III. Growing dependence on the import of coking coal
IV. Administered prices
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
_____________ who argue in this way support their case by pointing to the lack of a general consensus of opinion which obtains in many parts of the field which the philosopher regards as his own; and also by ____________ out that, even within this field, there is a growing tendency ___________ the part of certain sciences to separate themselves from philosophy and _____________ independent. Thus the psychologist and the logician are sometimes very anxious to have it understood that they belong among the scientists and ___________ among the philosophers.
field, there is a growing tendency ___________ the part of certain sciences to separate
A sample of coal containing the following elements: C=90%; H=5%; ash=4%; weight of the coal burnt=0.90g; weight of the water taken=600g; water equivalent of bomb calorimeter=2000g; rise in temperature=2.48oC; fuse wire correction=10cal; cooling correction=0.02oC; acid correction=50 cal. Calculate net and GCV of coal in cal/g. Assume latent heat of steam is 580cal/g.
Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be
The temperature at which the softening of water takes place by lime soda process is ____________