Hindustan Infrastructure Solution Civil Engineer Intern Interview Questions and Answers

Average level aptitude questions

Q1. How to calculate volume of a cube
Ans. 
Volume of a cube can be calculated by multiplying the length, width, and height of the cube.
• Calculate the volume of a cube by using the formula: Volume = length x width x height

• All sides of a cube are equal, so if you know the length of one side, you can use that as the length, width, and height in the formula

• For example, if the length of a side of the cube is 5 cm, the volume would be 5 x 5 x 5 = 125 cubic cm
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Q2. What are the tests on concrete
Ans. 
Tests on concrete include compressive strength test, slump test, and air content test.
• Compressive strength test measures the ability of concrete to withstand loads

• Slump test measures the consistency and workability of concrete

• Air content test measures the amount of air trapped in concrete

• Other tests include water permeability test, rebound hammer test, and ultrasonic pulse velocity test
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Q3. Explain about cube test of concrete
Ans. 
Cube test of concrete is a method to determine the compressive strength of concrete by casting cubes and testing them under specified conditions.
• Concrete cubes are casted using a standard mix design and cured for a specified period of time.

• After curing, the cubes are tested in a compression testing machine to determine the maximum load they can withstand before failure.

• The compressive strength of concrete is calculated...read more
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