A forced draft medium temperature evaporator would ____.
A. be defrosted by off-cycle defrost
B. not need to be defrosted
C. need electric defrost
D. need a hot gas defrost
Answer: A
You might also like to view...
After shutdown of a centrifugal chiller is initiated, the compressor, chilled-water pump, and oil pump stop but the tower fans continue to run. The most likely reason is the _____.
a. stop-to-start timer is activated b. compressor start relay is energized c. condenser water temperature remains high d. recycle shutdown mode has been activated
Which tool is most often used to measure suspension component free play?
A) Telescoping gauges B) Micrometer C) Dial indicator D) Vernier caliper
Two technicians are discussing emission controls and related failure symptoms. Technician A says that if the hot air hose is missing on an engine with a thermostatic air cleaner, NOx emissions will be higher than normal. Technician B says that a faulty second-ary air system can cause backfiring. Who is right?
What will be an ideal response?
A system impulse response h(t) has a unilateral Laplace transform, 
(a) What is the region of convergence for H (s)? (b) Could the CTFT of H (t) be found directly from H (s)? If not, why not?