Calorific value, Biology

Assignment Help:

Calorific value is one of the most important characteristics of a fuel. It judges the efficiency of fuel.

Calorific value is defined as "the total quantity of heat liberated, when a unit mass or volume of the fuel is burnt completely."

Units of heat

1.      Calories: amount of heat required to raise the temperature of 1 gm of water by 10C is known as calorie.

2.      Kilo-calorie (kcal): amount of heat required to raise the temperature of 1 kg of water by 10C is known as kilo-calorie.

                                            1 kcal = 1000 cal.

3.      Centigrade heat unit (C.H.U): it is defined as the amount of heat required to raise the temperature of 1 pound (lb) of water by 1 0C.

4.      British thermal unit (B.Th.U) : it is defined as the amount of heat required to raise the temperature of 1 pound (lb) of water by 1 0F (degree Fahrenheit).

Calorific value can be expressed in two ways.

1.      Higher calorific value,

2.      Lower calorific value.

 

 


Related Discussions:- Calorific value

Explain matching energy intake to energy expenditure, Explain Matching ener...

Explain Matching energy intake to energy expenditure? To be in energy balance, an athlete needs to consume about the same number of calories that he or she expends on a daily

Draw a diagram of external view of a human brain, Draw a diagram of externa...

Draw a diagram of external view of a human brain. Label:- frontal lobe, temporal lobe, occipital lobe and cerebellum.

How do dioxins enter the human diet, Normal 0 false false f...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Are environmental phenotypical changes, Are environmental phenotypical chan...

Are environmental phenotypical changes transmitted to the offspring? Changes caused on phenotypes by the environment are not transmitted to the offspring (unless their primary

Chara, Assighments of chara

Assighments of chara

Effects of solid waste pollution, The improper handling and transfer of the...

The improper handling and transfer of the solid wastes results in various health and environmental hazards, such as: 1.      Spoilage of landscape: Municipal wastes heap up o

What is eucalyptus dive, To verify the effect of intra-specific competition...

To verify the effect of intra-specific competition on the growth of saplings of Eucalyptus dives, an experiment was designed in which two sets of pots were used. In the first set o

What is community ecology explain their characterstics, What is Community E...

What is Community Ecology explain their characterstics? Community Ecology: In ecological terms, a community consists of an assemblage of all of the populations living and int

Define the potassium ion impermeability, At 1 AM, an impermeable membrane s...

At 1 AM, an impermeable membrane separates a 1 liter solution of 2M KCl in the left compartment from a 1 liter solution containing both 1M NaCl and 1M KCl in the right compartment.

How arab influence on the development of anatomy, Please on 3 separate para...

Please on 3 separate paragraph a. Examine the contributions of select scientists from the Greek and Roman period. b. Explore the Arab influence on the development of anatomy

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd