CIVIL ENGINEERING QUESTION AND ANSWERS INTERNATIONAL STANDARDS

This article is about Civil engineering question and answers for civil engineers, foremen and supervisors. You will find the question which is normally asked during interview. Below highlighted are the answers of questions.

CIVIL ENGINEERING QUESTION AND ANSWERS

  1. What code specifies the “Building Code Requirements for Structural Concrete”?
    1. ACI 304
    2. ACI 307
    3. ACI 318
  2. In performing slump test, how many layers and roddings do you make?
  1. 3 layers with 25 roddings for each layer.
  2. 5 layers with 10 roddings for each layer.
  3. 3 layers with 15 roddings for each layer.
  1. ASTM C33 is the standard specification for:
  1. Portland Cement
  2. Sampling aggregates
  3. Concrete Aggregates
  1. Samples for strength test of each of class of concrete placed each day shall be taken:
  1. Not less than once a day nor less than once for each 150 cu. Yd of concrete
  2. Not less than once for each 5000 sq. ft. for slab or walls
  3. Both A & B
  1. Concrete Construction Fabrication tolerance shall comply with the requirements of:
  1. ACI 117
  2. ACI 301
  3. ACI 318

  1. ACI 304 refers to:
  1. Guide to Measuring, Mixing, Transporting & Placing Concrete
  2. Guide for Concrete Floor & Slab Construction
  3. Hot Weather Concreting
  1. ASTM C 150 is the specification for:
  1. Aggregates
  2. Ready-Mix Concrete
  3. Cement
  1. Per ASTM C143, the size of tamping rod for slump test is:
  1. 5/8 in.
  2. 3/4 in.
  3. 1/2 in.
  1. Concrete samples should be removed from cylinder mold after
  2. 24 hrs. plus or minus 2 hrs.
  3. 20 hrs. plus or minus 4 hrs.
  4. 24 hrs. Plus or minus 4 hrs.

Please check also: CIVIL

  1. ACI 305R is the specification for:
  1. Hot weather concreting.
  2. Cold Weather Concreting
  3. Standard Practice for Concrete Curing
  1. What standard specification used for epoxy-coated reinforcing bars.
  1. ASTM A 775
  2. ASTM  A 185
  3. ASTM A 153
  1. Water used for concrete mixing & curing shall be:
  1. Shall be potable & tested for suitability based on ASTM C94
  2. Shall conform to ASTM C494
  3. Shall be tested for suitability based ASTM C1218
  1. Strength level of an individual class of concrete shall be considered satisfactory if the following requirement is met:
  1. Every arithmetic average of any three consecutive strength test equals or exceeds compressive strength.
  2. No individual strength test (average of two cylinders) falls below compressive strength by more than 500 psi
  3. Both a & b.
  1. Field density of a compacted soil can be taken by the following method:
  1. Sand cone method in accordance with ASTM D1556
  2. Nuclear method in accordance with ASTM D 2922
  3. Both A & B are applicable
  1. Standard specification for deformed & plain billet-steel bars for concrete reinforcement.
  1. ASTM 615 / 615M
  2. ASTM A 307
  3. ASTM  A 183
  1. What standard specification used for epoxy-coated reinforcing bars.
  2. ASTM A 775
  3. ASTM A 185
  4. ASTM A 153
  • What code specifies the “Building Code Requirements for Structural Concrete”?
    1. ACI 304
    2. ACI 307
    3. ACI 318
  1. ACI 305R is the specification for:
  1. Hot weather concreting.
  2. Cold Weather Concreting
  3. Standard Practice for Concrete Curing
  1. In performing slump test, how many layers and roddings do you make?
  1. 3 layers with 25 roddings for each layer.
  2. 5 layers with 10 roddings for each layer.
  3. 3 layers with 15 roddings for each layer.
  1. Strength level of an individual class of concrete shall be considered satisfactory if the following requirement is met:
  1. Every arithmetic average of any three consecutive strength test equals or exceeds compressive strength.
  2. No individual strength test (average of two cylinders) falls below compressive strength by more than 500 psi
  3. Both a & b.
  1. ASTM C33 is the standard specification for:
  1. Portland Cement
  2. Sampling aggregates
  3. Concrete Aggregates
  1. Samples for strength test of each of class of concrete placed each day shall be taken:
  1. Not less than once a day nor less than once for each 150 cu. Yd of concrete
  2. Not less than once for each 5000 sq. ft. for slab or walls
  3. Both A & B
  1. Concrete Construction Fabrication tolerance shall comply with the requirements of:
  1. ACI 117
  2. ACI 301
  3. ACI 318
  1. ACI 304 refers to :
  1. Guide to Measuring, Mixing, Transporting & Placing Concrete
  2. Guide for Concrete Floor & Slab Construction
  3. Hot Weather Concreting
  1. ASTM C 150 is the specification for:
  1. Aggregates
  2. Ready-Mix Concrete
  3. Cement
  1. Per ASTM C143, the size of tamping rod for slump test is:
  1. 5/8 in.
  2. 3/4 in.
  3. 1/2 in.
  1. Concrete samples should be removed from cylinder mold after
  1. 24 hrs. plus or minus 2 hrs.
  2. 20 hrs. plus or minus 4 hrs.
  3. 24 hrs. Plus or minus 4 hrs.
  1. Water used for concrete mixing & curing shall be:
  1. Shall be potable & tested for suitability based on ASTM C94
  2. Shall conform to ASTM C494
  3. Shall be tested for suitability based ASTM C1218
  1. Field density of a compacted soil can be taken by the following method:
  1. Sand cone method in accordance with ASTM D1556
  2. Nuclear method in accordance with ASTM D 2922
  3. Both A & B are applicable
  1. Standard specification for deformed & plain billet-steel bars for concrete reinforcement.
  1. ASTM 615 / 615M
  2. ASTM A 307
  3. ASTM  A 183

       More Questions Answers About Civil Engineers and Supervisor

  1. When in used vibrator should be in a:
  1. Inclined position
  2. Horizontal position
  3. Vertical position
  1. At the time of concrete placing, shat should be checked on the structure to be poured
  1. Ensure that the all the surfaces on which the concrete will be  placed are clean free of debris & water
  2. Conduct slump test & cylinder sampling
  3. Ensure the there no interruption sufficient to permit loss of plasticity between successive increments.
  1. Why is silica fume or fly-ash present in high strength concrete?
  1. To reduce the temperature of the concrete as cement has a high heat of hydration.
  2. To reduce the strength of concrete
  3. To increase the volume of concrete

4 . What cause the segregation of aggregates which produce inferior quality of concrete?

  1. Used of long chutes.
  2. Improper tamping and spading.
  3. Both a and b
  1. Which of the following regulates the strength of concrete?
    1. Correct proportion of aggregates, cement and water.
    2. Suitability or quality of materials
    3. Both a and b
  1. Which of the following is not an inspection activity during concreting?
  1. Checking of forms and rebars
  2. Checking of method of placement if it is in accordance with specification.
  3. Inspection of bath plants.

      7. Which of the following is an inspection activity during backfilling?1.

  1. Checking of backfilling material if suitable or appropriate as describe by specification.
  2. Verification of compaction procedure.
  3. Both a and b

        8.  What are you going to advise to FOG if mixed concrete exceeded the required slump test?

  1. Reject the whole mixture
  2. Add cement to the mixture.
  3. Go ahead with the concrete pouring.

        9. What is the ultimate test in order to determine the strength of poured concrete?

  1. Hammer test
  2. Penetration test
  3. Core test
  1. What effect does treating timber with preservatives have upon the structural strength of the timber?                                    1. Increase the strength of the timber.                                                                                                                                                                      2. Lessen the strength of the timber.                                                                                                                                                                          3. No appreciable effect on the structural strength of timber.
  1. What is the last resort of an inspector when it is evident that unsatisfactory concrete will result from continuing operations?

1. Let the operation continue and conduct re-test.

2.   Order stop to work after obtaining supervisor’s approval.                                                                                                                                    3. Leave the jobsite.

 

  1. The fastest to determine the degree of compaction of a backfilled soil is by:

1. Sand Cone Method
2. Nuclear Density Gauge
3.  of the above

 

  1. What test is being performed before concrete is poured to ensure that it will meet the compressive requirement?

1. Compressive test

2. Rebound hammer test

3. Slump test

  1. The following are inspection points during concrete formworks:

1.  Verification of location and dimension of forms.

2.  Verification of soundness of forms and bracings.

3.  Both a and b

  1. What should be done in case it rains while concrete placing is in progress?

1.   Place concrete should be covered with vinyl sheets or similar impervious sheets.

2.   Place concrete should be removed.

3.    Removed all accumulation of mortar.

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