MCQ Questions Civil Engineering Environmental Engineering

Take a look at these MCQ Questions Civil Engineering Environmental Engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Civil Engineering Environmental Engineering.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates. Other topics on Civil Engineering Multiple Choice Questions can be accessed

MCQ Questions Civil Engineering Environmental Engineering - Set - 4

Question 1:

For a given discharge, the efficiency of sedimentation tank can be increased by
a) increasing the depth of tank
b) decreasing the depth of tank
c) increasing the surface area of tank
d) decreasing the surface area of tank

Check Answer

Correct Answer – (C)

Question 2 :

The settling velocity of a particle in a sedimentation tank depends on
a) depth of tank
b) surface area of tank
c) both depth and surface area of tank
d) none of the above

Check Answer

Correct Answer – (B)

Question 3 :

The overflow rate for plain sedimentation tanks is about
a) 500 to 750 litres/hour/ m²
b) 1000 to 1250 litres/hour/ m²
c) 1250 to 1500 litres/hour/m²
d) 1500 to 2000 litres/hour/m²

Check Answer

Correct Answer – (A)

Question 4 :

The velocity of flow of water in a sedimentation tank is about
a) 5 to 10 cm/sec.
b) 15 to 30 cm/sec.
c) 15 to 30 cm/minute
d) 15 to 30 cm/hour

Check Answer

Correct Answer – (C)

Question 5 :

The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about
a) 0.01 to 0.05 ppm
b) 0.05 to 0.5 ppm
c) 0.5 to 1.0 ppm
d) 1.0 to 5.0 ppm

Check Answer

Correct Answer – (B)

MCQ Questions Civil Engineering Environmental Engineering

Question 6:

The settling velocity of a particle in a sedimentation tank increases if
a) particle size is decreased
b) the surface area of tank is increased
c) the depth of tank is decreased
d) none of the above

Check Answer

Correct Answer – (D)

Question 7:

Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about
a) 10 to 25
b) 50
c) 75
d) 100

Check Answer

Correct Answer – (C)

Question 8:

The length of rectangular sedimentation tank should not be more than
a) B
b) 2B
c) 4B
d) 8B
where B is the width of the tank

Check Answer

Correct Answer – (C)

Question 9:

The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of
a) 1 mg/litre
b) 10 mg/litre
c) 100 mg/litre
d) 1000 mg/litre

Check Answer

Correct Answer – (B)

Question 10:

If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
a) total alkalinity
b) total hardness
c) total hardness – total alkalinity
d) non carbonate hardness

Check Answer

Correct Answer – (A)

MCQ Questions Civil Engineering Environmental Engineering

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