Why is sand falling? Does it matter if there are small stones left?

1 Answer

Answer :

In my opinion, it is rebuked so that it is smooth and no stone protrudes from it. But the stones are the same as fittings, for example.

Related questions

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Last Answer : Option A

Description : The compaction of concrete in the drilled pile hole is done by compressed air in the case of (A) Simplex pile (B) Franki pile (C) Pressure pile (D) Vibro pile

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Description : I have a 1967 quarter that has a hole in it can you can somebody help me 2 see if it's worth anything or it's just somebody drilled the hole into it?

Last Answer : Here's a picture

Description : Why are we perpetually drilled to conflate capitalism with freedom?

Last Answer : I don’t necessarily equate the two.

Description : How deep a hole has ever been drilled by humans on Mars?

Last Answer : Since we just got there, I think the answer would be: no holes at all yet. . . . unless I’ve missed the latest news.

Description : What would happen if a hole was drilled straight through the Earth from one side to the other and someone jumped in?

Last Answer : Their hair would get all messed up.

Description : Explain why water comes out at different speeds when a water-filled container is drilled at different depths ?

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Description : How much does the well cost?

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Description : I found out that someone drilled my tank and I'm out of gas. I'll have him towed to a service station. But I wonder how much it will cost. Is the hole going to boil? Or does he have to buy the whole tank?

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Description : A uniform solid sphere of radius R has a hole of radius R/2 drilled inside it. One end of the hole is at the centre of the sphere

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Description : If to torricelli had drilled a little hole at the top of the glass tube holding his mercury column what would have happened to his barometer?

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Description : Where was the world’s first oil-well drilled in the nineteenth century?

Last Answer : Titusfills in Pennsylvania, U.S.A.

Description : Where was the world's first oil-well drilled in the nineteenth century

Last Answer : century? Titusfills inPennsylvania, U

Description : In cement pressure grouting G.I pipes of diameter …… and ……length, should be fixed in drilled holes a) 12 to 20 mm, 200 mm* b) 12 to 20 mm, 300 mm c) 12 to 25 mm, 500 mm d) 20 to 25 mm, 300 mm

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Description : In cement pressure grouting holes should be drilled at spacing in both direction at a) 150 – 500 mm b) 450 mm c) 500 – 750 mm* d) 1000 mm

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Description : Choose proper machine tool and explain operation method for the following: (i) Producing a hole (ii) Finishing previously drilled hole

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Description : “If you drilled a tunnel straight through the Earth and jumped in, it would take you 42 minutes 12 seconds to get to the other side.” 

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Description : The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P ... . What is the total number of edges in the lens after the holes were drilled? 

Last Answer : 57

Last Answer : Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to eliminate creeping at no load

Description : Pick up the correct statement from the following: (A) Sand stones may be divided into calcareous, siliceous and ferruginous sand stones (B) Concrete using sand stones, cracks due to excessive shrinkage (C) Broken bricks produce a concrete having good fire resisting qualities (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The theory of formation of concrete is based on the phenomena of formation of voids (B) The bulking of sand is taken into account while ... sand and the sand completely flooded with water, have practically the same volume (D) All the above

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Description : Should sand between newly installed concrete pavers reach top of pavers?

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Last Answer : mirage #Hard #Long

Description : I want to make a concrete wall in the garden. How many parts of sand is put on how many parts of cement?

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Description : I need to fix the stairs. But I don't have any sand to add to the cement. Not far from us is the beach. Will beach sand work like normal? I would borrow a bucket of sand.

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Description : How does the ratio sand to cement effect the strength of concrete?

Last Answer : Need answer

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Last Answer : Answer: Option B

Description : Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors? (A) Ice (B) Concrete (C) Loose sand (D) Earth

Last Answer : (D) Earth

Description : Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle? (A) Concrete (B) Loose sand (C) Asphalt (D) Firm earth

Last Answer : (B) Loose sand

Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Last Answer : (D) All the above

Description : The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is (A) 1 : 2 : 4 (B) 1 : 3 : 6 (C) 1 : 1½ : 3 (D) 1 : 1 : 2

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Description : Grading of sand causes great variation in (A) Workability of concrete (B) Strength of concrete (C) Durability of concrete (D) All the above

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Description : Separation of water or water sand cement from a freshly concrete, is known (A) Bleeding (B) Creeping (C) Segregation (D) Flooding

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) Higher workability indicates unexpected increase in the moisture content (B) Higher workability indicates deficiency of sand (C) If the concrete mix is dry, the slump is zero (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Sand obtained from pits, is washed to remove clay and silt (B) Sand obtained from flooded pits, need not be washed before use (C) The ... shore sand and shingle may cause corrosion of reinforcement if the concrete is porous (D) All the above

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Description : Slump test is done for (A) Clay (B) Sand (C) Lime (D) Concrete

Last Answer : Answer: Option D

Description : An excess of flaky particles in concrete aggregates (A) Decreases the workability (B) Increases the quantity of water and sand (C) More than 15% are not desirable (D) All the above

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Description : For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are: (A) 70 litres of sand and 120 litres of aggregates (B) 70 kg of sand and 140 litres of ... C) 105 litres of sand and 140 litres of aggregates (D) 105 litres of sand and 210 litres of aggregates

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Description : Pick up the incorrect statement from the following: (A) Concrete for which preliminary tests are conducted, is called controlled concrete (B) Bulking of sand depends upon the fineness of grains (C) Concrete mix 1 : 6 : 12, is used for mass concrete in piers (D) All the above

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Description : If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is (A) M 100 (B) M 150 (C) M 200 (D) M 250

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Last Answer : Answer: Option C

Description : For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) ... sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

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Description : When percentage of mica present in sand is large, it (a) Reduces the strength of mortar, or concrete (b) Increases the strength of mortar or concrete (c) Has no effect on mortar, or concrete strength (d) Enhances the strength of mortar, or concrete, but only marginally

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Description : The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement

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