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ESE Prelims 2022 Achievers Quiz 18
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Question 1
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): Positive displacement pumps can be used for pumping of ready-mixed concrete.
Statement (II): The coarse aggregate in the mix is unlikely to be crushed during positive displacement.
Statement (II): The coarse aggregate in the mix is unlikely to be crushed during positive displacement.
Question 2
Match List-I (Equipment) with List-II (Property) and select the correct answer using the codes given below the lists:
List-I
A. Briquette testing machine
B. Le Chatelier apparatus
C. Vicat apparatus
List-II
1) Compressive strength
2) Consistency
3) Soundness
4) Tensile strength
Codes:
List-I
A. Briquette testing machine
B. Le Chatelier apparatus
C. Vicat apparatus
List-II
1) Compressive strength
2) Consistency
3) Soundness
4) Tensile strength
Codes:
Question 3
Consider the following statements:
1) Strength of concrete cube is inversely proportional to water-cement ratio.
2) A rich concrete mix gives a higher strength than a lean concrete mix since it has more cement content.
3) Shrinkage cracks on concrete surface are due to excess water in mix.
Which of these statements is/are correct?
1) Strength of concrete cube is inversely proportional to water-cement ratio.
2) A rich concrete mix gives a higher strength than a lean concrete mix since it has more cement content.
3) Shrinkage cracks on concrete surface are due to excess water in mix.
Which of these statements is/are correct?
Question 4
Statement (I): Super sulphated cement is preferred for used in construction of dams, retaining walls and other mass concreting work.
Statement(II): super sulphated cement has high resistance to chemical attack
Question 5
Hydrophobic cement is obtained by inter grinding OPC with water repellant film forming substances such as oleic acid. Correct proportion of such substance in Hydrophobic cement is:
Question 6
In order that a droplet of water at 200C (σ = 0.0728 N/m) has an internal pressure 1 KPa greater than that of outside pressure, its diameter should be nearly:
Question 7
Given µ = 0.06 poise and ρ = 0.9 gm/cm3, what is the value of kinematic viscosity in stokes?
Question 8
Calculate the kinematic viscosity (stoke) of the fluid, if the dynamic viscosity of fluid is 0.5 poise and specific gravity is 0.4?
Question 9
Which of the following is true about the ideal fluid?
Question 10
With increase in temperature the viscosity of air and water varies as?
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ESE & GATE CEGeneralDec 12ESE & GATE CE
