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How to make ultra high performance concrete?
silica fume and quartz powder is added to make the concrete more denser. fine aggregates fill the voids between coarse aggegates, cement fill the voids between fine aggregate, silica fume fills the voids between cement and quartz powder fills the voids in between silica fumes
What type of drill bit do you use to countersink a flat head machine screw in a stainless steel plate?
The bit is called a countersink bit, but be sure if it's to be used in stainless that it is made from high speed steel (for metalwork) or carbide tipped and turned at a low speed. Use a good grade of cutting oil as a lubricant.
What angle drill bit do you use in a lathe?
Low angle makes it three drill lock system.
What happens to concrete when there is no expantion gaps?
It will buckle and crack leaving high and low spots with jagged edges in the most severe cases.
What is hunting in steam turbines?
When the steam turbine can not maintain its selected or designed speed.Type your answer here... Speed fluctuating from low to high speed continously.
What type of drill do you use to drill in to concrete or brick?
To drill into concrete or brick you need a heavy-duty electric drill with a low speed. You will also need the right sized drill bit that is specially made for drilling into these types of materials.
Can you drill lucite?
Yes, you can drill Lucite. Keep to a fairly low speed so as not to melt it (below 500 rpm.)
The speed of what tells whether a sound will be a high or low pitch?
The speed of the vibration. High speed vibration = high frequency = short wavelength = high pitch. Low speed vibration = low frequency = long waves = low pitch.
What do you drill plexiglass with?
You drill plexiglass with a standard HSS drill at a low speed and with a piece of wood right where the drill point will exit the work.
What is the maximum current of the pole changing motor when running at low speed and high speed?
The maximum current of the pole changing motor when running at low speed and high speed depends on a few different things. The average when begin at low speed and using high speed is 1800 RPM points.
Why are road accidents at high speed very much worse than road accidents at low speed?
This is because the momentum of high speed vechicle is more than that of the low speed vechicle
How are two speed wiper motor run in low or high speed?
windshield wipers have different kinds of speeds such as the ones listed below:Low speed: Low, Intermediate,HighNormal speed: Low, Intermediate,High (recommended speeds for rain and clean up)High "" hope i helped
How do you drill holes in a lead keel?
You can use a standard HSS drill bit at a very low speed. Use it in a strong VSR drilling machine as the lead WILL grip the bit.
Why are road accidents at high speed very much worse than accidents at low speeds?
This is because the momentum of high speed vechicle is more than that of the low speed vechicle
Why does concrete mix with low water cement ratio resulted in hardened concrete having higher strength than those with high water cement ratio?
Why does concrete mix with low water cement ratio resulted in hardened concrete having higher strength than those with high water cement ratio?
What are different types of centrifuges?
low speed, high speed and ultra centrifuges
How do you drill acrylic?
with a drill bit......ANS 2 - It helps if you use an automatic centre punch first, so the bit doesn't slide. Also it's better if the drill bit is NOT new, so the edges are not extremely sharp. Drill at a fairly low speed (450-500 rpm) for best results. ( This all applies to Plexiglass too )
