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Calorific value of furnace oil is about _______________ Kcal/kg?
Related MCQs
Air/gas ratio for complete combustion will be the highest for__________?
Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?
The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always__________?
A good coking coal should have high __________ content?
Gross & net calorific value is the same for__________?
Removal of hydrogen from coke oven gas __________?
Fossil fuels mean__________?
Deficiency of combustion air during combustion of a gaseous fuel__________?
Junker’s calorimeter is used to determine the calorific value of__________?
Which of the following can be made into briquettes without the use of a binder ?
Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C?
‘Mixed gas’ used in steel plants is a mixture of__________?
Preheating of combustion air is done to __________?
The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C ?
Coal containing large quantity of __________ are difficult to wash?
Narrow coke ovens as compared to wider coke ovens__________?
Bomb calorimeter is used to determine the (where, GCV – Gross Calorific Value. NCV – Net Calorific Value.) ?
‘Fuel’ can be defined as a substance which produces heat by__________?
Actual flame temperature is always lower than the adiabatic flame temperature, because there is__________?
Fuel for a fast breeder nuclear reactor is__________?
C.V. (kcal/Nm3) of gaseous fuels __________ with increase in molecular weight?
Volatile matter content of metallurgical coke may be around __________ percent?
Coking coals are invariably__________?
Ratio of primary air to secondary air increases with increase in the rank of coal, because the__________?
Oxygen required for theoretically complete combustion of 1 Nm3 methane is __________ Nm3?
Calorific value of wood gas is about __________ kcal/Nm3?
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is__________?
Ammonia content in raw coke oven gas is about __________ gm/Nm3?
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value?
For maximum discharge through a chimney, its height should be__________?
Which of the following has the highest flame speed ?
Which of the following fuels is generally not used in thermal power plant boiler firing ?
Use of excess of combustion air in the combustion of fuels results in__________?
Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the__________?
Which of the following is called “blue gas”?
Rate of low temperature oxidation of coal due to bad storage conditions__________?
Dust content in raw blast furnace gas is about __________ gm/Nm3; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use?
When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the __________ of coal?
Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec?
Bomb calorimeter is used for the determination of calorific value of the __________ fuels?
Coke ovens in steel plant are heated by __________?
Soft coke is not __________?
Percentage of hydrogen in coke oven gas may be around __________?
A coal with high ash content is undesirable, as__________?
Which of the following is the most poisonous gas ?
Gross heating value of coal is __________ the net heating value?
Which of the following accentuates clinkering trouble on furnace grate burning coal ?
Increase in ash content of blast furnace coke__________?
The difference between total carbon and fixed carbon of coal will be minimum in case of__________?
In high temperature carbonisation (as compared to low temperature carbonisation) of coal__________?
Gross heating value of coal is __________ the net heating value?
Calorific value of furnace oil is about _______________ Kcal/kg?
A. 10,000
B. 15,000
C. 5,000
D. 20,000
Correct Answer:
10,000
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Last Updated:
March 08, 2019