For determining the compressive strength test on cement is, the percentage amount of water to be added as (Pa = Percentage of water for required consistency) [ A ] 0.25 Pa + 2.5 [ B ] 0.25 Pa + 3.5 [ C ] 0.35 Pa + 2.5 [ D ] 0.35 Pa + 3.5

For determining the compressive strength test on cement is, the percentage amount of water to be added as (Pa = Percentage of water for required consistency)
[ A ] 0.25 Pa + 2.5
[ B ] 0.25 Pa + 3.5
[ C ] 0.35 Pa + 2.5
[ D ] 0.35 Pa + 3.5
by

1 Answer

Answer :

[ B ] 0.25 Pa + 3.5
by

Related questions

Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the rate of (P/4) + 3.0 percentage of water where P is the percentage of water for standard consistency (C) A cube mould of 10 cm × 10 cm × 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

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Last Answer : (B) 25 %

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The percentage of water for making a cement paste of normal consistency varies from (a) 15 to 25% (b) 25 to 35% (c) 35 to 50% (d) 50 to 60%

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If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is (A) 0.70 P (B) 0.75 P (C) 0.80 P (D) 0.85 p

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Minimum compressive strength of cement required at the age of 3 days for ordinary Portland cement of grade 33 is [ A ] 1.15 N/mm2 [ B ] 11.5 N/mm2 [ C ] 2.10 N/mm2 [ D ] 21 N/mm2

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The compressive strength an ordinary Portland cement (1:3) after 7 days test should not be less than. (a) 11N/mm2 (b) 17.5 N/mm2 (c) 22 N/mm2 (d) 27.5N/m2

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For performing the compressive strength test of cement, the size of cube mould should be (a) 7.06cm (b)75mm (c)80mm (d)All the above

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According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than (A) 7 MPa (B) 11.5 MPa (C) 16 MPa (D) 21 MPa

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Soundness of cement is tested by (A) Vicat's apparatus (B) Le-chatelier apparatus (C) Compressive strength testing apparatus (D) None of these

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For testing compressive strength of cement, the size of cube used is (A) 50 mm (B) 70.6 mm (C) 100 mm (D) 150 mm

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For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of (A) 1 : 2 (B) 1 : 3 (C) 1 : 4 (D) 1 : 6

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Normally, the tensile strength of concrete is about____________of its compressive strength (a) 10 to 15% (b) 15 to 20% (c) 20 to 25% (d) 25 to 30%

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The gypsum is added to the cement for (a) Providing high strength to the cement (b) Controlling the initial setting time of cement. (c) Lowering the clinkering temp of cement (d) All the above.

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The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds (A) 5 kg/cm2 (B) 8 kg/cm2 (C) 10 kg/cm2 (D) 15 kg/cm2

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Last Answer : (B) 1600

Le Chatelier apparatus is used to determine which of the following properties for cement A) Soundness* b) Initial setting time c) Compressive strength d) Tensile strength

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Explain the procedure for determination of compressive strength of cement in laboratory.

Description : Explain the procedure for determination of compressive strength of cement in laboratory.

Last Answer : Procedure for determination of compressive strength of cement in laboratory: 1. Take 200 gm cement, 600 gm standard sand and add water ((p/4)+3) % to that of combined weight of cement and sand. ... area of cube in mm2 . 9. Calculate average compressive strength of three test cubes in N/mm2 . 

The normal consistency of ordinary Portland cement is about (A) 10 % (B) 20 % (C) 30 % (D) 40 %

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High strength of concrete requires a water cement ratio of [ A ] 0.10 to 0.15 [ B ] 0.25 to 0.30 [ C ] 0.45 to 0.60 [ D ] 0.75 to 0.90

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Unconfmed compressive strength test is (A) Undrained test (B) Drained test (C) Consolidated undrained test (D) Consolidated drained test

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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 in road construction (C) Crushing test is done to find out the compressive strength of the stone (D) All the above

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Smith's test of stones is performed to find out (A) The presence of soluble matter of stone (B) The compressive strength of the stone (C) The hardness of the stone (D) The toughness of the stone

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Last Answer : Answer: Option A

Unconfined compression test it most suitable for determining the : 1. Sensitivity of clays 2. Settlement of embankments 3. ‘Strength’ of partially saturated clay sample 4. ‘Strength’ of fully saturated clay sample (a) 1, 2, 3 and 4 (b) 2 and 3 only (c) 3 and 4 only (d) 1 and 4 only

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Last Answer : (d) 1 and 4 only

Water required per bag of cement, is (A) 7 kg (B) 14 kg (C) 21 kg (D) 35 kg

Description : Water required per bag of cement, is (A) 7 kg (B) 14 kg (C) 21 kg (D) 35 kg

Last Answer : (D) 35 kg

For one bag of cement water required is (a) 10 kg (b) 30 kg (c) 35 kg (d) 39 kg

Description : For one bag of cement water required is (a) 10 kg (b) 30 kg (c) 35 kg (d) 39 kg

Last Answer : (c) 35 kg

Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Description : Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Last Answer : Answer: Option A

High percentage of tricalcium silicate and low percentage of dicalcium silicate in cement results in. (a) Rapid hardening (b) High early strength (c) High heat of generation (d) All the above

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The percentage of water for normal consistency, is (A) 5% to 15% (B) 10% to 25% (C) 15% to 25% (D) 20% to 30%

Description : The percentage of water for normal consistency, is (A) 5% to 15% (B) 10% to 25% (C) 15% to 25% (D) 20% to 30%

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For lime concrete, (A) Slump is 50 to 75 mm (B) Flexural strength at 90 days is 0.2 N/mm2 (C) Compressive strength at 90 days is 1.5 N/mm2 (D) All the above

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Last Answer : Answer: Option D

According to Water-Cement Ratio Law, the strength of workable plastic concrete (A) Depends upon the amount of water used in the mix (B) Does not depend upon the quality of cement mixed with aggregates (C) Does not depend upon the quantity of cement mixed with aggregates (D) All the above

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Description : In guniting/ shotcreting , water cement ratio is kept as a) 0.4 to 0.5 b) 0.3 to 0.4 c) 0.25 to 0.35 d) 0.35 to 0.5*

Last Answer : d) 0.35 to 0.5*

In cement pressure grouting, water cement ratio is kept as a) 0.4 to 0.5* b) 0.3 to 0.4 c) 0.25 to 0.35 d) 0.35 to 0.5

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