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BEU PYQ (Previous Years Question Papers)
BEU PYQ Solution: Construction Engineering Materials
1. Choose the correct option of the following (any seven).
(a) Gypsum is used as an admixture in cement grouts for
(i) accelerating the setting time
(ii) retarding the setting time ✓
(iii) increasing the plasticity
(w) reducing the grout shrinkage
(b) The proper size of mould for testing compressive strength of cement is
(i) 7-05 cm cube ✓
(ii) 10-05 cm cube
(iii) 15 cm cube
(iv) 12:05 cm cube
(c) In cements, generally the increase in strength during a period of 14 days to 28 days is primarily due to
(i) C3A
(ii) C2S
(iii) C3S ✓
(iv)-C4AF
(d) Fineness of cement is measured in the units of
(i) volume/mass
(ii) mass/volume
(iii) area/mass ✓
(iv) mass/area
(e) The steel used in RCC work is
(i) stainless steel
(ii) mild steel ✓
(iii) high carbon steel
(iv) wrought iron
(f) Lime mortar is generally made with
(i) quicklime
(ii) fat lime
(iii) hydraulic lime ✓
(iv) white lime
(g) The number of bricks required per cubic metre of brick masonry is
(i) 400
(ii) 450
(iii) 500 ✓
(iv) 550
(h) Which of the following tests is conducted to determine the strength of hardened existing concrete?
(i) Bullet test
(ii) Kelly ball test
(iii) Rebound hammer test ✓
(iv) Cone penetrometer
(i) The shrinkage of concrete depends upon
(i) relative humidity of the atmosphere
(ii) passage of time
(iii) applied stress
(iv) Both (i) and (ii) ✓
(j) If aggregate size of 50 mm-40 mm is to be tested for determining the proportion of elongated aggregates, the slot length of gauge should be
(i) 45 mm
(ii) 53 mm
(iii) 81 mm ✓
(iv) 90 mm
Q. 2- Define the following: 14 marks
(a) Sedimentary rocks
(b) Kota stone
(c) Hand moulding
(d) Roofing tiles
All Solutions is Available at the Bottom
Q. 3 (a)- What are the various uses of stones in construction?
Q. 3 (b)- Give properties of good brick making earth.
Q. 4- List the steps involved in the procedure of mixing, conveying, placing, compaction and curing of concrete.
Q.5 (a)- What is fibre reinforced plastic? State its application in building industry.
Q. 5 (b)- Define admixture. Write short notes on plasticizers and super-plasticizers.
Q. 6 (a)- Compare the merits and demerits of structural steel-work with reinforced concrete structures.
Q. 6 (b)- What are the types of construction and demolition waste?
Q. 7 (a)- What is carbon composite structure? What are the advantages of carbon composites?
Q. 7 (b)- What is prestressed construction? What are the advantages of prestressed concrete construction?
Q. 8 (a)- How do you control quality in construction?
Q. 8 (b)- Write down the methods of quality testing of masonry bricks.
Q. 9 (a)- What is mortar? Write its types. What is the difference between cement and mortar?
Q. 9 (b)- Nickel and chromium are universally added to constructional steel. What role do they play in these steels?
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