Description : The commercial name of white and coloured cement in India, is (A) Colorcrete (B) Silvicrete (C) Snowcem (D) All the above
Last Answer : Answer: Option D
Description : In ordinary residential and public buildings, the damp proof course is generally provided at (A) Ground level (B) Plinth level (C) Water table level (D) Midway ground level and water-table level
Last Answer : Answer: Option B
Description : Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength
Last Answer : Answer: Option C
Description : The measurement is not made in square metres in case of (A) D.P.C. (Damp proof course) (B) Form works (C) Concrete Jeffries (D) R.C. Chhajja
Last Answer : (D) R.C. Chhajja
Description : ick up the incorrect statement from the following: (A) Admixtures accelerate hydration (B) Admixtures make concrete water proof (C) Admixtures make concrete acid proof (D) Admixtures give high strength
Last Answer : Answer: Option A
Description : A suitable admixture added at the time of preparing the concrete mix, makes the concrete (a) Water proof (b) Acid proof (c) Highly strong (d) All of the above
Last Answer : (d) All of the above
Description : For preparing ordinary concrete, the quantity of water used, is (A) 5% by weight of aggregates plus 20% of weight of cement (B) 10% by weight of aggregates plus 10% of weight of cement (C) ... aggregates plus 30% of weight of cement (D) 30% by weight of aggregates plus 10% of weight of cement
Description : After casting, an ordinary cement concrete on drying (A) Expands (B) Mix (C) Shrinks (D) None of these
Last Answer : (C) Shrinks
Description : Ordinary concrete is not used for concrete grade (A) M 100 (B) M 150 (C) M 250 (D) M 40
Last Answer : (D) M 400
Description : The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than (A) 30 minutes (B) 40 minutes (C) 60 minutes (D) 90 minutes
Description : Which of the following cements is suitable for use in massive concrete structures such as large dams? (A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement
Description : The concrete in which no preliminary tests are performed for designing the mix is called (a) Rich concrete (b) Controlled concrete (c) Lean concrete (d) Ordinary concrete
Last Answer : (d) Ordinary concrete
Description : The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal
Last Answer : [ B ] much lower than
Description : For Ordinary Portland cement concrete exposed to dry and hot weather conditions, good moist curing period is [ A ] 7 days [ B ] 10 days [ C ] 14 days [ D ] None of the above
Last Answer : [ B ] 10 days
Description : For mass concrete work, the type of cement preferable is [ A ] Ordinary Portland cement [ B ] Rapid hardening cement [ C ] Low heat cement [ D ] Blast furnace slag cement
Last Answer : [ C ] Low heat cement
Description : The effect of adding calcium chloride in concrete is (i) To increase shrinkage (ii) To decrease shrinkage (iii) To increase setting time (iv) To decrease setting time The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)
Last Answer : (B) (i) and (iv)
Description : The workability of concrete can be improved by adding (a) Hydrated lime (b) Fly ash (c) Calcium chloride (d) All the above
Last Answer : (d) All the above
Description : ’Drying oil’, oxidized spontaneously by atmospheric oxygen at ordinary temperature and forms a hard water proof material is (A) Coconut oil (B) Peanut oil (C) Rape seed oil (D) Linseed oil
Last Answer : Answer : D
Description : Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by ... Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide
Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide
Description : Whole circle bearing of a line is preferred to a quadrantal bearing merely because (A) Bearing is not completely specified by an angle (B) Bearing is completely specified by an angle ... different in different quadrants (D) Its Trigonometrical values may be extracted from ordinary tables easily
Last Answer : (B) Bearing is completely specified by an angle
Description : In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by (A) Adding 180°, if the given bearing is less than 180° (B) Subtracting 180°, if the given bearing, is more ... cardinal points, i.e. substituting N for S and E for W and vice-versa (D) None of these
Last Answer : (C) Changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
Description : Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension (A) Two times (B) Three times (C) Four times (D) Five times
Description : Lime putty (A) Is made from hydraulic lime (B) Is made by adding lime to water (C) Can be used only upto three days (D) All of above
Description : Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate
Description : The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth ... dimension is mischievous" was made by (A) Telford (B) Macadam (C) Tresguet (D) Sully
Description : Pick up the excavation where measurements are made in square metres for payment. (A) Ordinary cuttings up to 1 m (B) Surface dressing up to 15 cm depths (C) Surface excavation up to 30 cm depths (D) Both (b) and (c)
Last Answer : (D) Both (b) and (c)
Description : Which of the following test will often be found use full when t he Superintendent should frequently apply tests to the delivery work of the postmen a) Letters bearing fictitious address should be posted and ... show whether the letters are duly delivered or not. c) Both the above d) None of these
Last Answer : c) Both the above
Description : The condition not applicable to water cement ratio law, is (A) Internal moisture conditions on hydration continue till complete strength is gained (B) Concrete specimens may be tested at any temperature (C) Concrete specimens need be of same age (D) Concrete specimens need be of same size
Description : The modular ratio m of a concrete whose permissible compressive stress is C, may be obtained from the equation. (A) m = 700/3C (B) m = 1400/3C (C) m = 2800/3C (D) m = 3500/3C
Description : Too wet concrete may cause (A) Weakness of concrete (B) Excessive laitance (C) Segregation (D) All the above
Last Answer : (D) All the above
Description : Non-uniform compaction may cause the concrete (A) Porous (B) Non-homogeneous (C) Reduced strength (D) All the above
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 : If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm
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 : Flanged beams are preferred when the concrete in the slab is on the [ A ] compression side of the beam [ B ] tension side of the beam [ C ] may be compression side or tension side of the beam [ D ] none of the above
Last Answer : [ A ] compression side of the beam
Description : A concrete block subjected to shear stresses, then the failure may result by [ A ] Diagonal tension [ B ] Longitudinal tension [ C ] Diagonal compression [ D ] None of the above
Last Answer : [ A ] Diagonal tension
Description : An ideal ware house, is provided (A) Water proof masonry walls (B) Water proof roof (C) Few windows which remain generally closed (D) All the above
Description : Mastic asphalt is generally used for (A) Damp proof course (B) Water proof layer (C) Partition walls (D) Both (A) and (B
Description : Snowcrete is one of the patent forms of (A) Distempers (B) Water proof cement paints (C) Enamel paints (D) Cellulose pain
Description : The PVC doors and windows are preferred as they are (A) Rust proof (B) Rot proof (C) Water proof (D) All of these
Description : Mastic asphalt is (A) Water proof (B) Fire proof (C) Elastic (D) All the above
Description : Seasoning of timber is done (A) To make it water proof (B) To paint its surface (C) To increase its temperature (D) To remove water
Description : Pick up the correct statement from the following: (A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude (B) The top most water bearing strata having no aquifer, is ... water from the top most water bearing strata, are called water table wells (D) All the above
Description : The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to (A) 2100 (B) 2700 (C) 10,000 (D) 21,000
Description : Pick up the incorrect statement regarding a master trap from the following: (A) It is provided in between the lower end of the house drain and the street sewer (B) It is provided a cleaning eye at the ... fitted at the top of the inlet pipe (D) The water seal is less than that of ordinary traps
Last Answer : (D) The water seal is less than that of ordinary traps
Description : By adding 1 ml of Orthotolidine solution to 100 ml chlorinated water taken after contact period, the residual chlorine makes the colour of solution (A) Yellowish (B) Greenish (C) Bluish (D) Reddish
Last Answer : (A) Yellowish
Description : The temporary hardness of water can be removed by (A) Boiling (B) Adding lime (C) Adding alum (D) Filtration
Last Answer : (A) Boiling
Description : The best process of disinfection of public water supply, is by (A) Boiling (B) Chlorination (C) Adding lime (D) Adding ozone
Last Answer : (B) Chlorination