Section 2

Question 1

The stem of the thermometer is submerged a minimum of ____ into freshly mixed concrete

Answer 1

3 inches

Question 2

The thermometer shall be capable of accurately measuring the temp of freshly mixed concrete to _______ throughout the range of_________

Answer 2

1 deg F / .5 deg C - - - - - 30-120 deg F

Question 3

The thermometer shall be verified within ________

Answer 3

within 1 year of its current use

Question 4

True or False: Temp may be measured in a wheelbarrow

Answer 4

true

Question 5

true or false: the temp of concrete may be measured in a wall form

Answer 5

true

Question 6

true of false: A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature.

Answer 6

false

Question 7

What must be done to sample container prior to sampling the concrete ?

Answer 7

dampen surface

Question 8

What must be done to the concrete surrounding the thermometer after the device is submerged in fresh concrete

Answer 8

push concrete around the stem to ensure it is in full contact with the concrete

Question 9

How long must the thermometer remain in the freshly mixed concrete?

Answer 9

2-5 min

Question 10

After the temp of the concrete is read, what is then required?

Answer 10

record the temp

Question 11

the temp of concrete is recorded to the nearest _____

Answer 11

1 degree F or 0.5 C

Question 12

true or false: There is a specified max temp of freshly mixed concrete

Answer 12

false

Question 13

true or false: the sample of concrete used for temperature determination must be rodded 25 times.

Answer 13

false