Fill in the following blank with a suitable word: The amount of heat produced by burning a unit mass of a fuel completely is known as its __________ value.
The amount of heat produced by burning a unit mass of a fuel completely is known as its Calorific value.
Explanation
Calorific value of a fuel is defined as the amount of heat produced when 1 gram of a fuel undergoes complete combustion with oxygen. Its SI unit is kJ/kg.
Related Articles Fill in the blanks with suitable words:(a) A fuel must be heated to its……… before it starts burning.(b) The most common supporter of combustion around us is……………..(c) Fire produced by burning oil cannot be controlled by…………………….(d) A liquid fuel used in homes is………(e) The amount of heat evolved when 1kg of a fuel is burnt completely is called its…………………..(f) The substance which vaporize during, give…………………..(g) Burning of wood and coal causes……………. of air.
The total amount of heat produced by a fuel having a calorific value of 20kJ/kg was found to be 50,000 joules. How much fuel was burnt?
Fill in the blanks.(a) Burning of wood and coal causes _____ of air.(b) A liquid fuel, used in homes is ______(c) Fuel must be heated to its ______ before it starts burning.(d) Fire produced by oil cannot be controlled by ______
In an experiment, 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.
In an experiment, 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 1,80,000 kJ. Calculate the calorific value of the fuel.
Fill in the following blank with a suitable word:When light is reflected, the angles of incidence and reflection are ________.
What is the amount of heat when calorific value is 150000 and amount of fuel is 5
Which of the following produces more heat (per unit mass) on burning?Coal or LPG
Fill a suitable number in the blank.$-30 + ..... = -14$.
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that(a) food is not cooked completely (b) the fuel is not burning completely(c) fuel is wet(d) fuel is burning completely.
Fill in the following blank with a suitable word:Ohm's law states a relation between potential difference and _______
Fill in the following blanks with suitable words:(a) Chemical equations are balanced to satisfy the law of _____. (b) A solution made in water is known as an ____ solution and indicated by the symbol ____.
Name the unit in which the calorific value of a fuel is expressed.
About 60 kg of fuel was completely burnt for an experiment. The amount of heat energy was found to be 1,80,000 kJ. Calculate the calorific value of the fuel.
Fill in the blank: Shining bodies are _____ of radiant Heat
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