The major constituents of Portland cement include
1 Lime, silica and iron oxide
2 Lime, silica and magnesia
3 Silica, alumina and magnesia
4 Lime, silica and alumina
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.
iwant to learn robotics so how can iproceed
Which one is having more weight when compare to diesel to petrole?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
What is super nova?
What are quasars?
Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
What are pulsars?
What is the Physiology ?