Description : A stone is rejected if it absorbs water more than (A) 5 % (B) 10 % (C) 15 % (D) 20
Last Answer : Answer: Option B
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 building stone should not absorb water more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : Answer: Option A
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 : 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 : By over-reinforcing a beam, the moment of resistance can be increased not more than (A) 10 % (B) 15 % (C) 20 % (D) 25 %
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 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 : 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 %
Description : The practical limit of moisture content achieved in air drying of timber is (A) 5 % (B) 15 % (C) 25 % (D) 35 %
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 : Rise of water table in cohesion-less soils upto ground surface reduces the net ultimate bearing capacity approximately by (A) 25 % (B) 50 % (C) 75 % (D) 90 %
Last Answer : (B) 50 %
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 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 : The maximum allowable Los Angeles abrasion value for high quality surface course is (A) 10 % (B) 20 % (C) 30 % (D) 45 %
Description : Interest rate for a unit not belonging to 100% EOU, EHTP, STP for storing goods beyond 90 days shall be _____ % p.a. A 25 B 15 C 10 D 8
Last Answer : 15
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 : Water losses in water supply, is assumed as (A) 5 % (B) 7.5 % (C) 10 % (D) 15 %
Last Answer : (D) 15 %
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 : 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 : 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 : 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 : Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than (A) 30 m (B) 25 m (C) 20 m (D) 15 m
Last Answer : (B) 25 m
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 : The moisture content in a well seasoned timber is (A) 4 % to 6 % (B) 10 % to 12 % (C) 15 % to 20 % (D) 100 %
Description : The load carrying capacity of a helically reinforced column as compared to that of a tied column is about (A) 5 % less (B) 10 % less (C) 5 % more (D) 10 % more
Description : A cylinder is said to be thin if the ratio of its thickness and diameter, is less than (A) 1/25 (B) 1/20 (C) 1/15 (D) 1/10
Last Answer : (D) 1/10
Description : The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Description : The minimum cover in a slab should neither be less than the diameter of bar nor less than (A) 10 mm (B) 15 mm (C) 25 mm (D) 13 mm
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 : Brother's weight is 25 % more than that of sister. What percent is brother’s weight less than sister's weight? a) 25% b) 60% c) 45% d) 20% e) 98%
Last Answer : Answer: D Let sister's weight be 100 kg. Then brother's weight = (100 + 25) kg = 125 kg If brother's weight is 125 kg, then sister's weight is 100 kg. If brother's weight is 1 kg, then ... then sister's weight = (100/125 100) kg Therefore, sister's weight is 20 % less than that of brother.
Description : If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is (A) 25 % (B) 40 % (C) 60 % (D) 75 %
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 : Based on its dry weight, a freshly felled tree may contain water (A) 25 % (B) 50 % (C) 75 % (D) 100 %
Description : Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these
Description : Wrought iron contains carbon upto (A) 0.25 % (B) 1.0 % (C) 1.5 % (D) 2 %
Description : The absolute percentage error in the computed discharge over a rectangular weir corresponding to an absolute error of 1.5 % in the measurement of head over the sill of the weir would be : (a) 1.5 (b) 2.25 (c) 2.5 (d) 3.75
Last Answer : (b) 2.25
Description : Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability (A) Increases by 25 % (B) Increases by 50 % (C) Increases by 33.3 % (D) Decreases by 33.3 %
Last Answer : (B) Increases by 50 %
Description : If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is (A) 2.00 % (B) 2.25 % (C) 2.50 % (D) 2.75 %
Description : The percentage of voids in cement is approximately (A) 25 % (B) 40 % (C) 60 % (D) 80 %
Last Answer : (B) 40
Description : Clay and silt content in a good brick earth must be at least (A) 50 % (B) 40 % (C) 30 % (D) 25 %
Description : According to IS : 456-2000, clause 39.4, stirrups should be provided for a shear of [ A ] at least 75% [ B ] at least 50% [ C ] at least 25 % [ D ] none of the above.
Last Answer : [ B ] at least 50%
Description : Pick up the correct statement from the following: (A) Acid test is done to find out the weathering quality of stones (B) Attrition test is done to find out the rate of wear of stones which are used ... (C) Crushing test is done to find out the compressive strength of the stone (D) All the above
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 : Water content of soil can (A) Never be greater than 100 % (B) Take values only from 0 % to 100 % (C) Be less than 0 % (D) Be greater than 100 %