how to do factorial

Do we use dry cells for operating electrical appliance? It is not impossible to tap continuous supply of energy from electrochemical cells. Electrical circuits in homes, factories and offices receive such energy form local power companies. In most countries the energy is supplied vi..

The main causes for disease in fishes are viruses and bacteria. IPN (Infectious Pancreatic Necrosis) and VHS (Viral Haemorrhagic Septicaemia) are well known diseases. Pollution of water causes great harm to the fish population. Fertilizers, pesticides, effluents and chemical wastes from factor..

Introduction - Do we use dry cells for operating electrical appliance? It is not impossible to tap continuous supply of energy from electrochemical cells. Electrical circuits in homes, factories and offices receive such energy form local power companies. In most countries the energy is su..

Kilowatt - hour is the commercial unit of electrical energy. We have seen that power is the rate of energy consumed or delivered. If 1 joule of energy is used per second, we say that energy is used at the rate of 1 watt. In other words, if energy is used at the rate of 1 watt, the total energy used..

a) Checking the air pollution by strict imposition of laws on factories. b) Reducing vehicular traffic and encouraging public transport vehicles than individual vehicles. c) Use of unleaded petrol. d) Regular check of exhaust gases from vehicles to declare their status in respect of poll..

These are nutrient supplements for plants manufactured in fertilizer factories from chemicals. They are nutrient specific i.e., they may provide only nitrogen, only phosphorus or only potassium to the soil. They are often used when a particular nutrient is required in the soil for a parti..

Large number of industries is established in the course of development of human society - based on vast geological resources. Most geological resources are the basis of industrial development and improvement of human life styles. Entire mankind depends on geological sources so acutely that it is ju..

Question: Circle the subject and connect it with the verb, which follows it. 1. The machinery which the factory had,has been sold 2. The girl who comes first in class is the captain of the school 3. A visit to the museum provides much knowledge to the students 4. The oxen in..

The linear programming technique helps to make the best possible use of available productive resources (such as time, labour, machines etc.) In a production process, bottle necks may occur. For example, in a factory some machines may be in great demand while others may lie idle for s..

A quick count of industries based on forest produce reveals timber, paper, resin and gum, lac, natural oils, minor foods products, medicines, sports equipment. Industries consider the forest as merely a source of raw material for their factories. They neither are interested in loss of v..