When a manual service valve is backseat cracked:
A) Both the service port and the line are open to the system.
B) The service port is open and the system is closed to the line.
C) The service port is closed and the system is open to the line.
D) Both the service port and the line are closed to the system.
A
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The ____________________ can be an accurate account of telephone conversations, or it can be a list that contains the time of the call, the person called, and the person calling.
Fill in the blank(s) with the appropriate word(s).
Nationwide income from monthly sales data (rounded to the nearest $100,000) of Stay Flat vacuum hold-down tables for last year was collected. Estimate the expected value of monthly income if economic conditions remain the same.
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To improve humidity control for air-conditioning systems installed in humid climates, the air-conditioning system selected should:
A) Be sized larger than normal, have a high sensible capacity, and higher-than-normal airflow. B) Have a high sensible cooling capacity and higher-than-normal airflow. C) Be sized somewhat larger than the load study indicates to allow for extra latent cooling. D) Have a high latent cooling capacity and not be oversized.
According to the text, what is the purpose of interconnecting dashed lines for some electrical symbols?
A) To customize the plans for HVAC installers B) To show general locations for fixtures, piping, and hardware C) To help technicians interpret mechanical portions of drawings. D) To assure electricians wire the home lighting as designed