Answer: Cement may sometimes contain free lime, which may cause expansion; hence soundness test is conducted to see that even if uncombined lime is present in cement whether it is in prescribed limits. If it is within the prescribed limits then it is said to be sound and causes less expansion and cracks. See similar questions...

Answer: Gypsum is added to control the "Setting of cement". If not added, the cement will set immediately after mixing of water leaving no time for placing. See similar questions...

Answer: Setting is the stiffening of the cement paste after water is mixed. Broadly it refers to change of fluid to solid state. See similar questions...

Answer: The rate of hydration of cement depends on the fineness of cement and for a rapid development of strength high fineness is necessary. See similar questions...

Answer: Cement (sometime referred to as Portland Cement or hydraulic cement) is one component of concrete. Cement is to concrete what flour is to a loaf of bread. Concrete is basically a mixture of 2 components: aggregates and paste. The paste, comprised of cement and water, binds the aggregates (sand and stone or grael) into a rocklike mass as the paste hardens because of the chemical reaction of the cement and water. This reaction is called hydration. See similar questions...

Answer: Proper storage of cement shall permit easy access for inspection and identification. Cement shoudl be stored in suitable weather, tight sructures, to protect the cement from dampness. It should not be piled more than ten bags in a stack and should be arranged in heather and stretcher fasion as far as possible. While removing the bags for use "FIRST IN FIRST OUT" rule should be applied. See similar questions...

Cholinergic crisis is when treatment is excessive and this also results in muscle weakness. Edrophonium can be used to tell the difference between the two. Edrophonium will improve muscle strength in myasthenic crisis (increase NMJ transmission) but make muscle weakness in cholinergic crisis worse (deepen the block). Answer: AchE inhibitors such as organophosphates and the carbamates cause increased levels of Ach at all sites that release Ach (ie. See similar questions...

Answer: For this years (99/00) competition there are two different sorties, a payload sortie and a return/ferry sortie. Only the payload sortie adds points to the flight score. The return/ferry sortie is required between payload sorties, and provides an additional and different design point. Teams may complete as many cycles of theses "sorties" as possible within their given 10 minute competition time period. See similar questions...

Grout is a high quality product, fine, water resistant designed for grouting glazed wall tiles, mosaics, vitrified and fully vitrified tiles, ceramic floor tiles, industrial floor tiles, etc. Available in different colors that acts as a compliment or contrast to the tile, thus enhancing the appearance of tile. Epoxy grouts have high degree of resistance to chemical attack. See similar questions...

No. All Kemlan heaters have a fully welded heavy-duty steel construction. The advantage of a steel firebox over a cast-iron firebox is that no cement is used to join the seams as the seams are welded. Yes, provided the type of fuel used is well seasoned and the heater is operated as per operating instructions. See similar questions...

Answer. Nostradamus wrote primarily in "early Modern French," with an admixture of archaic words mostly derived from Latin and Greek. Early Modern French is approximately contemporaneous with Shakespearian English. He also incorporates words from the "Languedoc" or Provencal dialect of southern France. Readers who are familiar with Latin and modern French can often understand the original language, even if they have not studied early French or Provencal. See similar questions...

Answer: The term "mixed financing" (also known as mixed credit) refers to a credit agreement between a Swiss banking consortium and the Swiss federal government on the one hand and a foreign government or central bank on the other hand. The Swiss federal government contributes between 35 and 50% of the total credit line. See similar questions...

This inversion gradually lifts as the air beneath the inversion layer is heated and begins to lift and mix with the warmer air above. See similar questions...

Answer: This is using the results of one search as the basis of further searches thus refining the findings at each step. Answer: The purpose of the work is the use to which the booklet/presentation/product will be put, e.g to show how to make a chocolate cake. The purpose should also indicate the audience for which the booklet/presentation/product is intended, e.g it is intended for children of ages 8 to 10 years. See similar questions...