Question 1

Match between columns
                        Premises: measures the speed of an airstream in a duct system

Accepted Answer

The Answer of flow hood and ammeter and pitot tube is...

Question 2

Match between columns
                        Premises: measures the air pressure in a duct system

Accepted Answer

The Answer of u-tube manometer and velometer and pitot tube is...

Question 3

The National Comfort Institute recently reported that approximately __________of air conditioning systems are operating at less than maximum efficiency

Accepted Answer

A)   10%
B)   45%
C)   57%
D)   70%

Question 4

Match between columns
                        Premises: measures very small pressures that are expressed in IWC

Accepted Answer

The Answer of ammeter and u-tube manometer and pitot tube is...

Question 5

It is estimated that approximately __________% of residential central air conditioning systems are oversized, about __________% are improperly charged with refrigerant and that approximately __________% of residential systems have inadequate airflow.

Accepted Answer

The answer of It is estimated that approximately __________% of...

Question 6

Match between columns
                        Premises: measures air volumes at registers and grills

Accepted Answer

The Answer of u-tube manometer and ammeter and flow hood is...

Exam 19: Testing, Adjusting and Balancing

The National Comfort Institute recently reported that approximately __________of air conditioning systems are operating at less than maximum efficiency

Correct Answer
verified

Match each tool with its purpose.

Match each tool with its purpose.

Match each tool with its purpose.

Match each tool with its purpose.

It is estimated that approximately % of residential central air conditioning systems are oversized, about % are improperly charged with refrigerant and that approximately __% of residential systems have inadequate airflow.

Correct Answer
verified

Exam 19: Testing, Adjusting and Balancing

The National Comfort Institute recently reported that approximately __________of air conditioning systems are operating at less than maximum efficiency

Correct AnswerverifiedShow Answer

Match each tool with its purpose.

Match each tool with its purpose.

Match each tool with its purpose.

Match each tool with its purpose.

It is estimated that approximately __________% of residential central air conditioning systems are oversized, about __________% are improperly charged with refrigerant and that approximately __________% of residential systems have inadequate airflow.

Correct AnswerverifiedShow Answer

Correct Answer
verified

It is estimated that approximately % of residential central air conditioning systems are oversized, about % are improperly charged with refrigerant and that approximately __% of residential systems have inadequate airflow.

Correct Answer
verified