Study Questions Temperature Of freshly Mixed Hydraulic-Cement Concrete

Question 1

The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of what into the freshly mixed concrete?

Answer 1

3” inches

Question 2

The temperature measuring device shall be capable of accurately measuring the temperature of freshly mixed concrete to what degree throught a range of what and what?

Answer 2

1°F, 30° to 120°

Question 3

The temperature measuring device shall be verified what, or whenever there is a question of what?

Answer 3

Annual, accuracy

Question 4

The temperature of concrete may be measured in a wheelbarrow. True or false?

Answer 4

True

Question 5

The temperature of concrete may be measured in a wall form. True or false?

Answer 5

True

Question 6

A composite sample of concrete is required is required even if the only purpose for obtaining the samples is to determine temperature. True or false?

Answer 6

False

Question 7

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

Answer 7

Damping

Question 8

What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete?

Answer 8

Slightly press around surface

Question 9

How long must the temperature measuring device remain in the freshly mixed concrete?

Answer 9

Minimum 2 minutes, Max 5 minutes

Question 10

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

Answer 10

Record it

Question 11

The temperature of the concrete is reported to the nearest what?

Answer 11

1ﾟF

Question 12

According to the test method C1064/C1064M, what is one reason to take the temperature of concrete?

Answer 12

To verify conformance to specifications

Question 13

A maximum temperature of freshly mixed concrete a specified in test method C1064/C1064M. True or false?

Answer 13

False