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

Microbiology, Assume that after washing your hands, you leave ten bacteria ...

Assume that after washing your hands, you leave ten bacteria cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24 h

Zoology, Write briefly on neural mechanism of learning?

Write briefly on neural mechanism of learning?

What is the dichogamy, What is the dichogamy? Dichogamy is phenomenon o...

What is the dichogamy? Dichogamy is phenomenon of the maturation of female reproductive structures of the plant in a different period to the maturation of the male reproductive

What is hormones explain its role in humun body, What is Hormones explain i...

What is Hormones explain its role in humun body? Hormones are chemical signals that trigger responses in another part of the body. Once secreted, hormones move through the spa

What result from unbridled continued of the population, Relative to carryin...

Relative to carrying capacity, what may result from unbridled continued growth of our population.

Define altered glucose metabolism - nutrition during stress, Define Altered...

Define Altered Glucose Metabolism - Nutrition during Stress? Blood glucose levels are generally elevated in the infected patient but plasma insulin levels are normal or even hi

What do you mean by the spinal cord, Q. What is the spinal cord? Of which e...

Q. What is the spinal cord? Of which elements is the spinal cord constituted? The spinal cord is the dorsal neural cord of vertebrates it is the part of the central nervous sys

Gastrulation, Gastrulation The end of cleavage of the unicellular zyg...

Gastrulation The end of cleavage of the unicellular zygote results in the creation of multicellular blastula, which may be a solid structure with no a cavity (stereoblastula)

Explain the use of enzyme assay, Explain the use of Enzyme assay Enzym...

Explain the use of Enzyme assay Enzyme assay is also used for research into such processes as the browning of plant products which poses problems during value addition. The br

Planning the nursing care for dysentry, Planning the Nursing Care   1) ...

Planning the Nursing Care   1) Maintain hydration and electrolyte balance.  2) Administer accurate and adequate antibiotics drugs.  3) Prevent the spread of infection.

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