Answer / yatish

THERE ARE VARIOUS OBJECTIVEOF EARTHING :=
1. TO PROTECT LIFE AND PROPERTY FROM ELECTRICAL SHOCK AND
FIRE.
2. TO ENSURE SYSTEM VOLTAGE ON HEALTHY LINE REMAIN IN
REASONABLE LIMIT.
3. TO MINIMIZE ARCING BURN DOWN .
4.TO PROVIDE EQUIPOTENTIAL PLATFORM ON WHICH VARIOU
SLECTRONIC EQUIPMENTS WORKS .
5.TO PROVIDE SAFE PATH FOR DISSIPATING OF LIGHTINING AND
SHORT CIRCUIT CURRENT.

Answer / vinay

by the earthing we
reduces the
voltage flucuation
or noise in line
voltage

Which is the research reactors of bhabha atomic research centre?

0 Answers  

---

The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime

2 Answers  

---

What is the Ecology ?

1 Answers  

---

What is the microbiology ?

8 Answers  

---

infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus

2 Answers  

---

Which are known as non - luminous irregular nebulae?

0 Answers  

---

Explain any four values that can be developed through teaching Physical Science

0 Answers   Mahatma Gandhi University,

---

The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element

1 Answers  

---

A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability

1 Answers  

---

Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen

2 Answers  

---

The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott

1 Answers  

---

The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass

3 Answers   IAS,

---