The high-temperature superconductors are
1 Metal alloys
2 Ceramic oxides
3 Inorganic polymers
4 Pure rare earth metals
what is center of gravity?
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
What is the speed of arihant?
Dear Sir I have got through cable size calculation 10 sq mm cable size of one panel, how i be sure that used cable is 10sqmm. a) By measuring each strand of cpper & multilpy by pye and so on...... or By measuring any one cable core with insulation only.
What are comets?
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus
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
The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals
The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel
Epoxy resins are used as 1 Moth repellants 2 Insecticides 3 Detergents 4 Adhesives
What is the Physiology ?