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

Protozoans and cnidarians, compare and contrast the structure of the follow...

compare and contrast the structure of the following: hyrda plain, hydra mematocysts, obelia, amoeba, euglena, paramecium caudatum conjugation, euglena acus.

Hygroscopic coeflicient-retention of soil moisture, Hygroscopic Coeflicient...

Hygroscopic Coeflicient To have a more complete picture of soil moisture relations, let us take a soil sample and oven dry it for 24 hours at 11 o C. Now if this soil is kept i

Hibernation and aestivation, Normal 0 false false false ...

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

Explain the steps of exercise, Explain the Steps of Exercise You have l...

Explain the Steps of Exercise You have learnt the steps of exercises in Block 3, Unit 1 of theory block. Let us review the steps. In aerobic exercises one has to under go fo

State about the latent squint disease, State about the Latent squint diseas...

State about the Latent squint disease Latent squint is seen commonly as exophoria in infancy and presbyopic age and esophoria in childhood. Hypermetropes can have esophoria and

ANIMAL TRANSPORT SYSTEM, WWHAT ARE THE ORGANS THAT ARE INVOLVDED IN THE TRA...

WWHAT ARE THE ORGANS THAT ARE INVOLVDED IN THE TRANSPORTTATION SYSTEM OF ANIMALS

Photosynthesis, The neurotransmitter found in insects that is similar to do...

The neurotransmitter found in insects that is similar to dopamine is?

Taxonomy, A In taxonomy, what is a "KEY" ? List the different types of key...

A In taxonomy, what is a "KEY" ? List the different types of keys. How are they prepared and what are they used for ?sk question #Minimum 100 words accepted#

Assessment of aplastic anaemia, Assessment   The patient will present w...

Assessment   The patient will present with striking pallor, irritability and lethargy due to anaemia, bledding or bruising and petechiae due to thrombocytopenia, fever and infe

How peroxisomes formed, How Peroxisomes formed Peroxisomes are formed w...

How Peroxisomes formed Peroxisomes are formed within the cell from the smooth endoplasmic reticulum by a process of budding. Peroxisomes found in the kidney and liver cells are

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