Description : A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than (A) 10 % (B) 15 % (C) 20 % (D) 25 %
Last Answer : Answer: Option C
Description : A first class brick when immersed in cold water for 24 hours should not absorb water more than (A) 15 % (B) 20 % (C) 22 % (D) 25 %
Last Answer : Answer: Option B
Description : A stone is rejected if it absorbs water more than (A) 5 % (B) 10 % (C) 15 % (D) 20
Description : Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25 % (D) 45 %
Last Answer : Answer: Option D
Description : A good quality stone absorbs water less than (A) 5 % (B) 10 % (C) 15 % (D) 25 %
Last Answer : Answer: Option A
Description : A good building stone should not absorb water more than a) 5%* b) 10% c) 15% d) 20%
Last Answer : a) 5%*
Description : A raft foundation is provided if its area exceeds the plan area of the building by (A) 10 % (B) 20 % (C) 40 % (D) 50 %
Description : An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. sieve No. 9, more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (B) 10 %
Description : The individual variation between test strength of sample should not be more than (A) ±5 % of average (B) ± 10 % of average (C) ± 15 % of average (D) ±20 % of average
Description : By over-reinforcing a beam, the moment of resistance can be increased not more than (A) 10 % (B) 15 % (C) 20 % (D) 25 %
Description : The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (D) 20 %
Description : While designing a water supply of an industrial township, industrial and commercial water demand of total supply, is assumed (A) 10 % (B) 10 to 15 % (C) 15 to 20 % (D) 20 to 25 %
Last Answer : (D) 20 to 25 %
Description : The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick (A) 20 % (B) 15 % (C) 10 % (D) None of these
Description : 1% of voids in a concrete mix would reduce its strength by about (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (A) 5 %
Description : In case of hand mixing of concrete, the extra cement to be added is (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Description : The moisture content in a well seasoned timber is (A) 4 % to 6 % (B) 10 % to 12 % (C) 15 % to 20 % (D) 100 %
Description : A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to (A) 10 % (B) 15 % (C) 20 % (D) 25 %
Description : For determining the moisture content of a soil sample, the following data is available Weight of container = 260 g, Weight of soil sample and = 320 g container, Weight of soil sample (dried) and = 310 g container. The moisture content of the soil sample, is (A) 15 % (B) 18 % (C) 20 % (D) 25 %
Last Answer : (C) 20 %
Description : For maximum strength and durability minimum percentage of cement, by weight is (A) 15 % (B) 20 % (C) 25 % (D) 30 %
Description : Pest which causes damage more than — % in the field is called as major pest. a. 5 b. 15 c. 10 d. 20
Last Answer : c. 10
Description : The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm
Description : Crushing strength of a good building stone should be more than (A) 50 MPa (B) 100 MPa (C) 150 MPa (D) 200 MPa
Description : Water losses in water supply, is assumed as (A) 5 % (B) 7.5 % (C) 10 % (D) 15 %
Last Answer : (D) 15 %
Description : For a good building stone, its specific gravity should the greater than (A) 1.5 (B) 1.7 (C) 2.2 (D) 2.7
Description : In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by (A) 10 % (B) 20 % (C) 30 % (D) 40 %
Last Answer : (D) 40 %
Description : The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between (A) 2-5 % (B) 7-10 % (C) 12-15 % (D) 20-25 %
Last Answer : (B) 7-10 %
Description : If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is (A) 10 % (B) 12 % (C) 15 % (D) 25%
Description : If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is (A) 10 % (B) 12.5 % (C) 15 % (D) 18.5%
Description : The percentage of minimum reinforcement of the gross sectional area in slabs, is (A) 0.10 % (B) 0.12 % (C) 0.15 % (D) 0.18 %
Description : Super-elevation on roads in snow bound areas, should generally not exceed (A) 15 % (B) 12 % (C) 10 % (D) 7 %
Description : A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is (A) 18.6 kN/m3 (B) 20.0 kN/m3 (C) 22.0 kN/m3 (D) 23.2 kN/m3
Last Answer : (B) 20.0 kN/m3
Description : The percentage of alumina in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80 %
Description : Percentage of silica in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80
Description : The measurement is made for stone work in square metre in case of (A) Wall facing (B) Columns, lintels, copings (C) Building work (D) (a) and (d) of the above
Last Answer : (D) (a) and (d) of the above
Description : Durability of building stone is affected by its (A) Chemical composition (B) Texture (C) Resistance to atmosphere (D) All the above
Description : The maximum allowable Los Angeles abrasion value for high quality surface course is (A) 10 % (B) 20 % (C) 30 % (D) 45 %
Description : The normal consistency of ordinary Portland cement is about (A) 10 % (B) 20 % (C) 30 % (D) 40 %
Description : A stone of wight 100 kg is thrown vertically upwards by a man of height y = 1.8 m with an initial velocity of 20 m/sec. The maximum height to which it will rise would be a.22.2 m b.26 m c.15.1 m d.20.2 m e.10 m
Last Answer : a. 22.2 m
Description : 62)The no-load current drawn by transformer is usually........percent of the full-load current? A. 0.2 to 0.5 % B. 2 to 5% C. 12 to 15 % D. 20 to 30 %
Last Answer : B) 2 to 5%
Description : The maximum area of tension reinforcement in beams shall not exceed (A) 0.15 % (B) 1.5 % (C) 4 % (D) 1 %
Description : If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be (A) 2.3% and 84.1% (B) 97.7% and 84.1% (C) 97.7 % and 15.9% (D) 15.9% and 97.7%
Last Answer : (A) 2.3% and 84.1%
Description : The practical limit of moisture content achieved in air drying of timber is (A) 5 % (B) 15 % (C) 25 % (D) 35 %
Description : The efficiency of a internal combustion engine normally is of the order of a. 15-20 % b. 20-25% c. 25-30% d. 30-35%
Last Answer : ANSWER d. 30-35%
Description : Though agriculture contribute only 17.4 % to the country's gross value added for the year. 2016-17 A) 15.4% B) 17.4% C) 18.4% D) 20.4
Last Answer : 17.4%
Description : The total domestic consumption in a city water supply, is assumed (A) 20 % (B) 30 % (C) 40 % (D) 60 %
Last Answer : (D) 60 %
Description : If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is, (A) 20 % (B) 25 % (C) 30 % (D) 35 %
Last Answer : (B) 25 %
Description : A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is (A) 20 % (B) 77 % (C) 92 % (D) None of these
Description : Alfa Company Limited acquired the business of M/s Bharat Traders. The valuation of the items acquired was-building Rs. 1,20,000; machinery Rs. 80,000 and stock-in-trade Rs. 30,000. The company issued in lieu of the above items 800, ... ) Rs. 2,30,000 (B) Rs. 1,00,000 (C) Rs. 50,000 (D) Rs. 30,000
Last Answer : Answer: Rs. 30,000
Description : The best quality of filter material is obtained from quartzite if it does not loose weight when placed in hydrochloric acid for 24 hours, more than (A) 5 % (B) 8 % (C) 10 % (D) 12 %
Description : For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is (A) 80 : 13 : 7 (B) 70 : 20 : 10 (C) 60 : 35 : 5 (D) None of these