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 severe acute respiratory syndrome, Severe Acute Respiratory Syndrom...

Severe Acute Respiratory Syndrome (SARS) After travelers' diarrhea, respiratory infection is the most common infectious disease affecting travelers. In the winter of 2003 a ne

Explain about the glycemia or insulinemia, Explain about the Glycemia or In...

Explain about the Glycemia or Insulinemia? Preliminary research evidence indicates that there may be beneficial effects in terms of decreased fasting blood glucose/hepatic gluc

What is the parasite that causes giardiasis, Q. What is the parasite that c...

Q. What is the parasite that causes giardiasis? How is it transmitted and what are the typical manifestations of the disease? The Giardiasis is a protozoal infection caused by

Defone economic consequences of malnutrition, Defone Economic consequences ...

Defone Economic consequences of malnutrition? Figure explains the economic consequences of malnutrition. You would note from the Figure that the economic productivity of the in

What is working of mouth in human body, What is Working of Mouth in human b...

What is Working of Mouth in human body? Food enters the digestive system through the mouth, where it is processed by the teeth and mixed with saliva, prior to being swallowed.

Define effect of dietary fibre expect physiological effects, Define effect ...

Define effect of dietary fibre expect physiological effects? In addition to all the physiological effects mentioned above, dietary fibre may exert other effects. Acetate and pr

In which phase of the cell cycle does the dna duplicate, Q How are the conc...

Q How are the concepts of chromosome, chromatids and chromatin related? In which phase of the cell cycle does the DNA duplicate? Chromatin is a set of filamentous the DNA molec

Hypoglycaemia unawareness, Hypoglycaemia Unawareness ? Some people ...

Hypoglycaemia Unawareness ? Some people with diabetes do not have early warning signs of low blood glucose, a condition called hypoglycemia unawareness. ? This conditio

Explain adverse effects of acyclovir, Adverse Effects of Acyclovir By ...

Adverse Effects of Acyclovir By any route of administration, acyclovir is generally well tolerated. Gastrointestinal (GI) disturbances and headache can occur. Given IV, the dr

Show very low level of lactase activity, Q. Show Very low level of lactase ...

Q. Show Very low level of lactase activity? Very low level of lactase activity: at very low level of lactase activity all milk products must be eliminated, substitutes of milk

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