List the three common types of adhesives used in HVACR work, and tell how they are used
What will be an ideal response?
Generally in HVACR work mastics are used to seal large areas such as duct joints, glues are used to hold items together, and caulks are used to seal cracks.
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Which structural feature(s) of the knee function(s) in limiting the anterior and posterior movement of the femur?
A) cruciate ligaments B) menisci C) bursae D) patellar ligament E) collateral ligaments
Velocity pressure readings are taken on a duct system by
A) Subtracting the static pressure from the total pressure B) Pointing the pressure sensing tube perpendicular to the air stream C) Pointing the pressure sensing tube into the airstream D) Subtracting the total pressure from the static pressure
Step size and proportionality factors are one and the same in the DAC input/output relationship
Indicate whether the statement is true or false
__________ control has the greatest effect on compensation for unmeasurable disturbances.
A. Feedforward B. Feedback