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 : When a brick is immersed in water for 24 hours and then dried, if (A) No grey or white deposits appear on the surface, the brick is free from soluble salts (B) 10 percent surface is ... percent surface is covered with grey or white deposits, the brick has serious efflorescence (D) All the above
Last Answer : Answer: Option D
Description : If first class Brick is immersed in water for 24 hours it should not absorb water by weight more than a) 10% b) 15% c) 20% * d) 25%
Last Answer : c) 20% *
Description : Super-elevation on roads in snow bound areas, should generally not exceed (A) 15 % (B) 12 % (C) 10 % (D) 7 %
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 %
Last Answer : (A) 5 %
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 maximum area of tension reinforcement in beams shall not exceed (A) 0.15 % (B) 1.5 % (C) 4 % (D) 1 %
Description : In — farming income from subsidiary enterprises does not exceed 10 % a. Diversified farming b. Dry farming c. Mixed farming d. Specialized farming
Last Answer : c. Mixed farming
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 : Maximum super-elevation on hill roads should not exceed (A) 5 % (B) 7 % (C) 8 % (D) 10 %
Description : In a limit state method of design, when shear reinforcement is not provided, the calculated shear stress at the critical section of a slab shall not exceed; [ A ] Ks 0.25 v fck [ B ] ks 0.20 v fck [ C ] ks 0.16 v fck [ D ] ks 0.10 v fck
Last Answer : [ A ] Ks 0.25 v fck
Description : The range of spread from the wall base to outer edge of a brick work foundation does not exceed (A) 1/2 horizontal to 1 vertical (B) 2/3 horizontal to 1 vertical (C) 1 horizontal to 1 vertical (D) 2 horizontals to 1 vertical
Description : A good quality stone absorbs water less than (A) 5 % (B) 10 % (C) 15 % (D) 25 %
Last Answer : Answer: Option A
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 : Brick walls are measured in sq. m if the thickness of the wall is (A) 10 cm (B) 15 cm (C) 20 cm (D) None of these
Last Answer : (A) 10 cm
Description : The nominal thickness of an expansion joint in brick walls, is kept more than (A) 5 mm (B) 10 mm (C) 15 mm (D) 20 mm
Description : The thickness of a reinforced brick partition wall, is generally kept (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm
Description : If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed. (A) R/10 (B) R/15 (C) R/20 (D) R/25
Last Answer : (C) R/20
Description : In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net ... load should not exceed (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Description : For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed (A) 10 (B) 15 (C) 20 (D) 25
Description : For a comfortable travel on Highways, the centrifugal ratio should not exceed (A) 0.10 (B) 0.15 (C) 0.20 (D) 0.25
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 : The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed (A) 5 m (B) 10 m (C) 15 m (D) 20 m
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 : Clay and silt content in a good brick earth must be at least (A) 50 % (B) 40 % (C) 30 % (D) 25 %
Description : The maximum allowable Los Angeles abrasion value for high quality surface course is (A) 10 % (B) 20 % (C) 30 % (D) 45 %
Description : Side face reinforcement shall not exceed [ A ] 0.1% of total cross sectional area [ B ] 0.2% of total cross sectional area [ C ] 0.1% web area [ D ] 0.2 % web area.
Last Answer : [ C ] 0.1% web area
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 : A stone is rejected if it absorbs water more than (A) 5 % (B) 10 % (C) 15 % (D) 20
Description : A good building stone should not absorb water more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70
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 : 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 : 1% of voids in a concrete mix would reduce its strength by about (A) 5 % (B) 10 % (C) 15 % (D) 20 %
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 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 : 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 : Based on its dry weight, a freshly felled tree may contain water (A) 25 % (B) 50 % (C) 75 % (D) 100 %
Description : What precaution should be taken with a vessel's impressed current cathodic protection system after a drydocking period during which the hull has been painted? A. Output currents should be carefully monitored ... slight (10-15%) overcurrent to the anodes should be allowed in order to speed drying.
Last Answer : Answer: C
Description : ormal size of brick used in India is a) 22 x 11.2 x 7 cm* b) 25 x 16 x 8 cm c) 19 x 12 x 9 cm d) 20 x 10 x 5 cm
Last Answer : a) 22 x 11.2 x 7 cm*
Description : Speed of a boat in standing water is 9kmph and the speed of the stream is 1.5kmph. A man rows to a place at a distance of 10.5 km and comes back to the starting point. Find the total time taken by him. A.24 hours B.16 hours C.20 hours D.15 hours
Last Answer : Answer- A Basic Formula: i. speed = distance traveled / time taken ii. speed of the stream = ½ (a-b) km/hr iii. speed in still water = ½ (a+b) km/hr Explanation: Speed in still water= ½ (a+b) = 9km ... gives a = 10.5km/hr ; b=7.5 kmphr Total time taken by him = 105/10.5 + 105/7.5 = 24 hours
Description : In a sedimentation tank, the detention period for water ranges from __________ hours. (A) 2 to 4 (B) 8 to 12 (C) 16 to 20 (D) 24 to 32
Last Answer : (A) 2 to 4
Description : The detention period for plain sedimentation water tanks, is usually (A) 4 to 8 hours (B) 8 to 16 hours (C) 16 to 24 hours (D) 24 to 36 hours
Last Answer : (D) 24 to 36 hours
Description : Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25 % (D) 45 %
Description : Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The ... the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid
Description : The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x