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Cement, Mortar And Lime - 2


10 Questions MCQ Test Topicwise Question Bank for GATE Civil Engineering | Cement, Mortar And Lime - 2


Description
This mock test of Cement, Mortar And Lime - 2 for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 10 Multiple Choice Questions for Civil Engineering (CE) Cement, Mortar And Lime - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Cement, Mortar And Lime - 2 quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Cement, Mortar And Lime - 2 exercise for a better result in the exam. You can find other Cement, Mortar And Lime - 2 extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

The field test for the quality of cement consists in putting a small quantity of cement in a bucket containing water. A good quality cement will

Solution:

A quality cement will be dehumidified and denser than water, thus, as soon as cement is put in the bucket, the cement should sink to the bottom of the bucket.

QUESTION: 2

A sample of cement is said to be sound when it does not contain free

Solution:
QUESTION: 3

The cement used in construction of docks and harbours is

Solution:

A Portland cement with low C3A and C4A Fcontents is very effective against sulphate attack, such cement is called sulphate resisting cement. The use of sulphate resisting cement is recommended for concretes to be used in marine environment foundations in chemically aggressive soils.

QUESTION: 4

For ordinary Portland cement the maximum expansion by Le Chatelier’s method should not exceed
Solution:

If expansion is more than 10 mm, cement is said to be unsound.
In autoclave expansion should not be more than 0.8%

QUESTION: 5

Le Chatetier’s device is used for determining the 
Solution:
QUESTION: 6

The initial setting time for ordinary Portland cement as per IS specifications should not be less than
Solution:

The initial setting time for OPC should not be less than 30 minutes. The final salting time should not be greater than 10 hours.

QUESTION: 7

As per IS specifications, the maximum final setting time for ordinary Portland cement should be
Solution:
QUESTION: 8

If p is the standard consistency of cement, the amount of water used in conducting the initial setting time test on cement is
Solution:
QUESTION: 9

The role of superplasticizer in a cement paste is to
Solution:
QUESTION: 10

Consider the following oxides
1. Al2O3
2. CaO
3. SiO2
The correct sequence in increasing order of their percentage in an ordinary Portland cement is
Solution:

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