Instruments are installed on vessels to monitor and/or control the _____.
a. level and temperature
b. temperature and direction
c. level and weight
d. process control
a. level and temperature
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Higher compression ratios can be attained from dished pistons instead of domed.
Answer the following statement true (T) or false (F)
The secondary air injection (SAI) system _______
A) Injects air into the exhaust to reduce emissions B) Includes an air pump C) Includes valves and pipes D) All of the above
To assure that an existing building is operating as originally designed ___________________
A. we can compare our building to the equipment operating at similar buildings of the same age B. we can review the original HVAC design criteria and perform retro commissioning of the equipment. C. we can operate the chillers, boilers and other HVAC equipment at 100% capacity to see if the building achieves the desired space temperature D. we can operate the building at normal operating capacity to see if the building reaches the desired space temperatures
Why is it incorrect to close the suction line service valve to test a compressor?
What will be an ideal response?