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ACI Concrete Bundled Exams with complete solution
ACI Concrete Bundled Exams with complete solution
[Montrer plus]ACI Concrete Bundled Exams with complete solution
[Montrer plus]The diameter of the tamping rod used in this test method is ________. - Answer-16 mm (5/8") + or - 
2 mm (1/16") 
What is the required shape of the tamping end of the rod - Answer-Rounded to Hemispherical tip 
What is the required minimum frequency of the vibrator used in this test method? - Answe...
Aperçu 1 sur 3 pages
Ajouter au panierThe diameter of the tamping rod used in this test method is ________. - Answer-16 mm (5/8") + or - 
2 mm (1/16") 
What is the required shape of the tamping end of the rod - Answer-Rounded to Hemispherical tip 
What is the required minimum frequency of the vibrator used in this test method? - Answe...
These procedures for capping enable concrete cylinders and cores to meet the standard's 
requirements for: a) planeness b)strength c) perpendicularity d) B and C e) A and C - Answer-E) 
The strength of the neat hydraulic cement paste used for capping cylinders depends on: a) the 
water/cement ratio...
Aperçu 1 sur 1 pages
Ajouter au panierThese procedures for capping enable concrete cylinders and cores to meet the standard's 
requirements for: a) planeness b)strength c) perpendicularity d) B and C e) A and C - Answer-E) 
The strength of the neat hydraulic cement paste used for capping cylinders depends on: a) the 
water/cement ratio...
2x vendu
It is important that the ____________ __________ read and understand project specifications. - 
Answer-finisher foreman 
If the crew can place and finish 100 yd3 of concrete per hour, the producer's delivery rate should be 
about _____ yd3 per hour. - Answer-100 
Concrete is sold by the ton? - Answ...
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Ajouter au panierIt is important that the ____________ __________ read and understand project specifications. - 
Answer-finisher foreman 
If the crew can place and finish 100 yd3 of concrete per hour, the producer's delivery rate should be 
about _____ yd3 per hour. - Answer-100 
Concrete is sold by the ton? - Answ...
For concrete with aggregates less than 3 inches, the thermometer must remain in the fresh concrete 
sample a minimum of 5 minutes or until the temperature reading stabilizes. (T or F) - Answer-False 
(2-5 minutes) 
The temperature measuring device must be accurate to within 0.1 degree. (T or F) - An...
Aperçu 2 sur 9 pages
Ajouter au panierFor concrete with aggregates less than 3 inches, the thermometer must remain in the fresh concrete 
sample a minimum of 5 minutes or until the temperature reading stabilizes. (T or F) - Answer-False 
(2-5 minutes) 
The temperature measuring device must be accurate to within 0.1 degree. (T or F) - An...
Sampling should be done very carefully because it is as important as ____________. - Answer-Testing 
What are the four sources from which field samples can be obtained? - Answer-Conveyer belts 
Transport units 
Roadways 
Stockpiles 
Sampling containers for aggregate samples should be made so that th...
Aperçu 2 sur 7 pages
Ajouter au panierSampling should be done very carefully because it is as important as ____________. - Answer-Testing 
What are the four sources from which field samples can be obtained? - Answer-Conveyer belts 
Transport units 
Roadways 
Stockpiles 
Sampling containers for aggregate samples should be made so that th...
1. Which of the following statements is false? Aggregates are sampled: 
A. For the acceptance or rejection of materials 
B. For the control of operations at the site of use 
C. For preliminary investigation of the potential source of supply 
D. For the control of the product at the source of supply ...
Aperçu 1 sur 4 pages
Ajouter au panier1. Which of the following statements is false? Aggregates are sampled: 
A. For the acceptance or rejection of materials 
B. For the control of operations at the site of use 
C. For preliminary investigation of the potential source of supply 
D. For the control of the product at the source of supply ...
1. Which of the following statements is false? Aggregates are sampled: 
A. For the acceptance or rejection of materials 
B. For the control of operations at the site of use 
C. For preliminary investigation of the potential source of supply 
D. For the control of the product at the source of supply ...
Aperçu 1 sur 2 pages
Ajouter au panier1. Which of the following statements is false? Aggregates are sampled: 
A. For the acceptance or rejection of materials 
B. For the control of operations at the site of use 
C. For preliminary investigation of the potential source of supply 
D. For the control of the product at the source of supply ...
Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite 
sample. 
A. True 
B. False - Answer-B. False 
ASTM C172 -Para (4.1.2) - Start molding. 
specimens for strength tests within 15 min after fabricating the 
composite sample. 
Q2. The maximum allowable tim...
Aperçu 4 sur 40 pages
Ajouter au panierQ1. Start molding specimens for strength tests within 30 minutes after fabricating the composite 
sample. 
A. True 
B. False - Answer-B. False 
ASTM C172 -Para (4.1.2) - Start molding. 
specimens for strength tests within 15 min after fabricating the 
composite sample. 
Q2. The maximum allowable tim...
These procedures for capping enable concrete cylinders and cores to meet the standard's 
requirements for ________ and _________. - Answer-Planeness, perpendicularity 
Equipment needed for the capping process includes capping _____ , _____devices, and ______ pots. 
- Answer-Plates, alignment, melti...
Aperçu 2 sur 8 pages
Ajouter au panierThese procedures for capping enable concrete cylinders and cores to meet the standard's 
requirements for ________ and _________. - Answer-Planeness, perpendicularity 
Equipment needed for the capping process includes capping _____ , _____devices, and ______ pots. 
- Answer-Plates, alignment, melti...
For 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer-2 
layers, 25 strokes 
For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer- 
3 layers, 25 rod strokes 
After rodding each layer, the sides of the molds sho...
Aperçu 1 sur 4 pages
Ajouter au panierFor 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer-2 
layers, 25 strokes 
For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer- 
3 layers, 25 rod strokes 
After rodding each layer, the sides of the molds sho...
ASTM C31 / C31M-06 - Answer-Standard Practice for Making, Curing, Protecting & Transporting Test 
Specimens in the Field Conditions. 
ASTM C1064 /C1064M-05 - Answer-Standard Test Method for Temperature of Freshly Mixed 
Hydraulic-Cement Concrete 
ASTM C172 -07 - Answer-Standard Practice For Sampling...
Aperçu 2 sur 8 pages
Ajouter au panierASTM C31 / C31M-06 - Answer-Standard Practice for Making, Curing, Protecting & Transporting Test 
Specimens in the Field Conditions. 
ASTM C1064 /C1064M-05 - Answer-Standard Test Method for Temperature of Freshly Mixed 
Hydraulic-Cement Concrete 
ASTM C172 -07 - Answer-Standard Practice For Sampling...
The temperature measuring device shall be cable of accurately measuring the temperature of freshly 
mixed concrete to 1°F throught a range of____________________________. - Answer-30 - 120°F 
It is acceptable to measure the temperature of freshly mixed concrete in the forms provided? - 
Answer-The...
Aperçu 2 sur 5 pages
Ajouter au panierThe temperature measuring device shall be cable of accurately measuring the temperature of freshly 
mixed concrete to 1°F throught a range of____________________________. - Answer-30 - 120°F 
It is acceptable to measure the temperature of freshly mixed concrete in the forms provided? - 
Answer-The...
The method of determining air content of concrete containing lightweight aggregate is the pressure 
method - Answer-False. Relatively dense 
Is the following statement true or false? When making a test cylinder from concrete being used in 
construction, the field technician must also measure the slu...
Aperçu 1 sur 2 pages
Ajouter au panierThe method of determining air content of concrete containing lightweight aggregate is the pressure 
method - Answer-False. Relatively dense 
Is the following statement true or false? When making a test cylinder from concrete being used in 
construction, the field technician must also measure the slu...
The sensor of the temperature measureing device shall be submerged a minimum of ____ in - 
Answer-3 (75mm) 
The temperature measureing device shall have a capacity of measuring temperature of freshly mixed 
conrcrete to +-_____ degrees F throught a range of _____ - Answer-1(.5 degrees C), 30-120 (0-...
Aperçu 2 sur 11 pages
Ajouter au panierThe sensor of the temperature measureing device shall be submerged a minimum of ____ in - 
Answer-3 (75mm) 
The temperature measureing device shall have a capacity of measuring temperature of freshly mixed 
conrcrete to +-_____ degrees F throught a range of _____ - Answer-1(.5 degrees C), 30-120 (0-...
The end of the temperature sensing portion of the temperature measuring device is submerged a 
minimum of __mm [__in.] into the freshly mixed concrete. - Answer-77mm /3in. 
The temperature measuring device shall be capable of accurately measuring the temperature of 
freshly mixed concrete to +- __C ...
Aperçu 2 sur 6 pages
Ajouter au panierThe end of the temperature sensing portion of the temperature measuring device is submerged a 
minimum of __mm [__in.] into the freshly mixed concrete. - Answer-77mm /3in. 
The temperature measuring device shall be capable of accurately measuring the temperature of 
freshly mixed concrete to +- __C ...
ASTM C1064 - Answer-Standard Test Method For Temperature of Freshly Mixed Hydraulic-Cement 
Concrete 
The sensor of the temperature measuring device shall be submerged a minimum of ______ inches 
into the freshly mixed concrete. - Answer-3" 
The temperature measuring device shall have a capacity of...
Aperçu 2 sur 15 pages
Ajouter au panierASTM C1064 - Answer-Standard Test Method For Temperature of Freshly Mixed Hydraulic-Cement 
Concrete 
The sensor of the temperature measuring device shall be submerged a minimum of ______ inches 
into the freshly mixed concrete. - Answer-3" 
The temperature measuring device shall have a capacity of...
The sensor of the temperature measuring device shall be submerged a minimum of _____ in. 
[_____mm] into the freshly mixed concrete. - Answer-3 in. [75 mm] 
The temperature measuring device shall have a capacity of measuring temperature of freshly mixed 
concrete to +- _____ degrees F [+- _____ C] t...
Aperçu 2 sur 13 pages
Ajouter au panierThe sensor of the temperature measuring device shall be submerged a minimum of _____ in. 
[_____mm] into the freshly mixed concrete. - Answer-3 in. [75 mm] 
The temperature measuring device shall have a capacity of measuring temperature of freshly mixed 
concrete to +- _____ degrees F [+- _____ C] t...
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