What is a concrete judgment? Task in which subjects are presented with words that are either abstract or concrete nouns, and decide for each term whether it is abstract or concrete.
Will a concrete wall stop a bullet? Bulletproof walls are a vital part of any bulletproof system. … To these standards, some materials are natively “bulletproof”: a foot-thick concrete wall or two inches of solid steel will withstand many shots from a handgun, sub-machine gun, or rifle.
What happens to a bullet when it hits concrete? The answer is anything from the bullet goes right into the ground completely, to the bullet shatters, spraying both of you with shrapnel, to the bullet stays intact and ricochets in any direction, possibly killing one of you or someone nearby.
What happens if you shoot into concrete? If you shoot at an angle into concrete, then the flatter the angle, the more likely the bullet will simply travel off at a new angle. It’ll be deformed thus not aerodynamic, and will have lost a bit of energy, but can still be quite lethal.
What is a concrete judgment? – Related Questions
What types of aggregate are used in concrete?
The most commonly used aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m3 (140 to 150 lb/ft3). Aggregates of expanded shale, clay, slate, and slag (Fig.
What is the meaning of bleeding in concrete?
Bleed in concrete is the result of excess water being forced to the surface of the concrete. … Any excess water not absorbed by the sand and cement rise to the surface. This leaves a pool of water on the surface of the concrete, which we call bleed water.
What is best used to clean stained concrete floors?
Bleed in concrete is the result of excess water being forced to the surface of the concrete. … Any excess water not absorbed by the sand and cement rise to the surface. This leaves a pool of water on the surface of the concrete, which we call bleed water.
Which is the largest concrete dam in the world?
It is 5,223 feet (1,592 meters) long, or 57 feet short of a mile. (Read the March 2016 Smithsonian article on the 75th anniversary of the dam’s completion.) For a time, Grand Coulee Dam was the largest concrete structure ever built, but today that distinction goes to the Three Gorges Dam in China, completed in 2009.
How to get black marks off concrete?
It is 5,223 feet (1,592 meters) long, or 57 feet short of a mile. (Read the March 2016 Smithsonian article on the 75th anniversary of the dam’s completion.) For a time, Grand Coulee Dam was the largest concrete structure ever built, but today that distinction goes to the Three Gorges Dam in China, completed in 2009.
How deep is a house concrete foundation?
Footings should extend to a minimum depth of 12 inches below previously undisturbed soil. Footings also must extend at least 12 inches below the frost line (the depth to which the ground freezes in winter) or must be frost-protected.
How to tell if concrete is too dry?
You can’t tell if the concrete is dry just by looking at its surface because the surface is nearly always drier than the center of the slab. The only way to know if the concrete is dry is to test it.
How to break up concrete easily?
Start to break the concrete, starting six inches from the edge and working your way in. For slabs less than four inches thick, use a sledgehammer. For more than four inches thick, use a demolition hammer.
How many yards of concrete in one truck?
Regarding this, “how much concrete in a truck?, in United State concrete measured in in cubic yard, there are several sizes of RMC truck on road, most common concrete truck has drum capacity of 11 to 15 cubic yards, however due to weight limit on the road they can carry 8 to 11 cubic yard of concrete.
What is the best underlayment for laminate flooring over concrete?
Best underlay for laminate flooring is foam or cork. Best underlay for laminate flooring is foam because it is simple to install, it is a good sound barrier, and is very cost effective. Some best foams have attached additional layer which functions as the best moisture barrier.
How fast does a walk behind concrete saw cut?
Usually, a concrete saw can cut up to 10 feet per minute. The 14-inch blade can easily cut a 5-inch thick concrete.
How to remove scratches from concrete?
Usually, a concrete saw can cut up to 10 feet per minute. The 14-inch blade can easily cut a 5-inch thick concrete.
How are cracks fromed in concrete?
A piece of concrete in the open air usually shrinks during hardening. This shrinkage is due to the evaporation of part of the water contained in the concrete. Cracking occurs when shrinkage forces become greater than the strength of the concrete.
How to fit a gate to a concrete post?
The easiest way to attach a gate to a concrete post is by using a hinge known as the gate screw hook. Attaching a gate to a concrete post requires proper drilling and anchoring. This ensures long-term stability between the gate and post.
What is slu concrete?
SLU (Self-Leveling Underlayment) is a blend of portland cement, high performance polymers, selected aggregates and proprietary admixtures designed to provide a smooth, level floor without the labor intensity of hand applied materials.
Can all concrete be painted?
Almost any concrete surface that’s in sound condition can be painted. That includes interior floors and walls as well as exterior surfaces such as patios, sidewalks, and pool decks. Just make sure the surface is clean and free of existing coatings or sealers that could prevent the paint from adhering.
How thick does concrete countertop need to be?
The standard concrete countertop slab thickness is 1 ½ to 2 inches, similar to countertops made of marble or granite. However, contractors can create the illusion of a thicker countertop by casting a drop-front edge.
What is concrete delivery?
The concrete is mixed and loaded, then hauled to the job site with the drum rotating at between 2 and 6 rotations per minute. This helps make sure it remains at optimum consistency when it arrives at the job site.
How do i measure a concrete ramp?
Multiply the length of the ramp times the height of the ramp. For example, if the ramp is 3 yards long and rises 1 yard, you would multiply 3 by 1 to get 3 square yards.
How to work out how much concrete i need metric?
Multiply the width, length and depth of your area. Concrete is usually ordered in cubic metres. Here’s a conversion guide. There are 1.3 cubic yards in one cubic metre (If you have your requirement in cubic yards, all you need to do is divide by 1.3 to get the cubic metres answer).