How do you heat up gold? Try using a propane torch to melt gold. The gold should be placed into a crucible. Be careful to bring the torch down slowly if you have fine powdered gold in the crucible because you could easily blow it around. With a torch, hold the flame well above the […]
What are the different types of optical instruments?
What are the different types of optical instruments? An optical instrument (or “optic” for short) is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties. Common examples include periscopes, microscopes, telescopes, and cameras. Is a mirror an optical device? A mirror […]
Is cl2 positive or negative?
Is cl2 positive or negative? Answer. is nothing but a Chlorine molecule made up of two Chlorine atoms with one negative charge on each. The resultant chlorine molecule or is neutral in charge as the two form covalent bonding. Thus they have no charge as either of the two atoms has not lost or gained […]
Can a car run without flywheel?
Can a car run without flywheel? you can start an engine without flywheel But to keep the engine alive you need flywheel because flywheel stores part of energy produced in power stroke and supply energy back to engine during other strokes. Also driving a engine without flywheel will cause fluctuation in power which will lead […]
What thickness is 20 gauge in MM?
What thickness is 20 gauge in MM? 0.9mm How do you determine shell thickness? The shell thickness excluding corrosion allowance (t) is the highest of the thickness amongst tc, tl, tu: t=max(tc,tl,tu) (6)¶MAWPc=SEtR+0.6t. (7)¶MAWPc=SEloge(R+tR) (8)¶MAWPl=2SEtR−0.4t. (9)¶MAWPl=SE(Z−1) MAWP=min(MAWPc,MAWPl) Vm=πS(R2o−R2) How do you determine the thickness of a reactor? hoop-stress formula for wall thickness: t= vessel wall […]
What does a good prototype look like?
What does a good prototype look like? A good prototype should look real. Clicking buttons, scrolling, anything that can make a prototype look like code. Customers react to magic with ideas. What is a successful prototype? Though some typical qualities of a successful prototype are that it: • Illustrates the real-world functionality of the product […]
What are the similarities and differences between oceanic crust and continental crust?
What are the similarities and differences between oceanic crust and continental crust? The continental crust is made mostly of rocks with a composition similar to granite (a light-colored rock you would expect to find in the Sierra Nevada), whereas the oceanic crust is made mostly of rocks with a composition of basalt (a dark- colored […]
What are the 4 parts of a comet?
Why is cohesion in water important?
Why is cohesion in water important? The cohesion of water molecules helps plants take up water at their roots. Cohesion also contributes to water’s high boiling point, which helps animals regulate body temperature. How do you use the word cohesive? Cohesive in a Sentence ? To make perfect pie dough, you must mix the ingredients […]
What are the different types of electoral system?
What are the different types of electoral system? The electoral systems currently in use in representative democracies can be divided into two basic kinds: majoritarian systems and proportional representation systems (often referred to as PR). In majoritarian electoral systems, winning candidates are those having attracted the most votes in a given electoral district. What are […]