Description : What is the best way to kill weeds in beach sand?
Last Answer : try straight vinegar
Description : Can I use the sand from the beach to build a garden fireplace? I miss about two buckets of sand in the concrete while building a fireplace in the garden. Not far from us is the beach. Will the water sand be as good as the one purchased? Can it be used? Or will it fall for me?
Last Answer : Feel free to use it
Description : Mountain Climbing or White Sand Beach?
Last Answer : One of the beautiful things to enjoy and experience in life is the beauty of our nature. Either you choose to climb up to the mountain or stay at the beach its up to us. But one ... course its not comparable. Either has their own enjoyment and fulfillment to experience the beauty of the nature.
Description : Question No. 51 A low wall built out into the sea more or less perpendicular to the coast line, to resist the travel of sand and shingle along a beach, is called (A) Break water (B) Break wall (C) Groins (D) Shore wall
Last Answer : (C) Groins
Description : Should sand between newly installed concrete pavers reach top of pavers?
Last Answer : When we had ours pavers put in, the sand layer ended coming up until about one fingers width from the top. It’s the same between all of them so we didn’t add any more sand.
Description : Looks like water, But it's heat. Sits on sand, Lays on concrete. People have been known, To follow it everywhere. But it gets them no place, And all they can do is stare. -Riddles
Last Answer : mirage #Hard #Long
Description : Why is sand falling? Does it matter if there are small stones left?
Last 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.
Description : I want to make a concrete wall in the garden. How many parts of sand is put on how many parts of cement?
Last Answer : In the production of concrete only from sand to obtain only at a sand to cement ratio in the range of 2: 1 to 3: 1.
Description : How does the ratio sand to cement effect the strength of concrete?
Last Answer : Need answer
Description : A thick paste of cement, sand and water is called – (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : (3) Mortar Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. Modern mortars are typically made from a mixture of sand, a binder such as cement or lime, and water
Description : Which of the following represents a carpet of sand-bitumen mix without coarse aggregates? (A) Mastic asphalt (B) Sheet asphalt (C) Bituminous carpet (D) Bituminous concrete
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
Last Answer : (C) 1 : 1½ : 3
Description : Grading of sand causes great variation in (A) Workability of concrete (B) Strength of concrete (C) Durability of concrete (D) All the above
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
Description : Slump test is done for (A) Clay (B) Sand (C) Lime (D) Concrete
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
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
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
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
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
Description : Concrete gains strength due to (A) Chemical reaction of cement with sand and coarse aggregates (B) Evaporation of water from concrete (C) Hydration of cement (D) All the above
Last Answer : Answer: Option C
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
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
Last Answer : Option D
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
Last Answer : (c) Has no effect on mortar, or concrete strength
Description : The correct proportioning of various ingredients of concrete largely (a) Bulking of sand (b) Water context (c) Absorption (d) All the above
Last Answer : (d) All the above
Description : The ratio of differenct ingredients (cement, sand and aggregate) in concrete mix of grade M20 is. (a) 1:1:2 (b) 1:1.5:2 (c) 1:2:4 (d) 1:3:6
Last Answer : (b) 1:1.5:2
Description : For reinforced concrete, the aggregate used is (a) Sand (b) Gravel (c) Crushed rock (d) All of these
Last Answer : (d) All of these
Description : Concrete gains strength due to [ A ] Chemical reaction of cement with sand and coarse aggregates [ B ] Evaporation of water from concrete [ C ] Hydration of cement [ D ] All the above
Last Answer : [ C ] Hydration of cement
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
Last Answer : ANSWER: Y -- PEBBLES AND BOULDERS
Description : A thick paste of cement, sand and water is called (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : Mortar