« previous next »

Author Question: What do air-quality sensors measure? A) Temperature, velocity, and pressure B) CO2, enthalpy, and ... (Read 58 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
on: Jul 24, 2018
What do air-quality sensors measure?
 
  A) Temperature, velocity, and pressure B) CO2, enthalpy, and humidity
  C) Ozone and NOx levels D) O2 and NOx levels

Question 2

Because air-source heat pumps circulate less refrigerant at low ambient temperatures, the refrigerant not being used is stored:
 
  A) In the metering device.
  B) In a liquid receiver.
  C) In a suction accumulator or charge compensator.
  D) In the compressor crankcase.


katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Types of Problems Used to Measure Intelligence Types of Problems Used to Measure Intelligence
Some plastic intake manifolds are equipped with a pressure relief valve that would open in the ... Some plastic intake manifolds are equipped with a pressure relief valve that would open in the ...
An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ... An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ...
A fuel-pressure reading does not confirm that there is enough fuel volume for the engine to ... A fuel-pressure reading does not confirm that there is enough fuel volume for the engine to ...
Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ... Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ...
Stacking the joints. A. Correct thumb–wrist alignment for applying direct pressure. B. Incorrect ... Stacking the joints. A. Correct thumb–wrist alignment for applying direct pressure. B. Incorrect ...
Video: Immune responses Animation

For a complete list of videos, visit our video library