What is requires in order to calculate the superheat setting of a bus air conditioning system?
A. Evaporator outlet temperature and evaporator inlet temperature pressure and a refrigerant pressure temperature chart.
B. Evaporator outlet temperature, evaporator inlet pressure and a refrigerant pressure temperature chart.
C. Condenser inlet temperature, evaporator inlet pressure and a refrigerant pressure temperature chart.
D. Evaporator outlet temperature, suction pressure and a refrigerant pressure temperature chart.
Answer: D
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The type of cut that is made to a rafter so it will rest squarely on the top plate is the _____.
a. notch b. bird's mouth c. sill cut d. joist cut
A room 15' 0" wide and 22' 0" long is carpeted. The cost is $30.25 per square yard and the installation cost is $177.00. What is the total cost to carpet the room? Round the answer to 2 decimal places.
Fill in the blank(s) with the appropriate word(s).
Technician A says that a vibration in the steering wheel when braking is an indication that that rear brake rotors need service. Technician B says that a vibration in the steering wheel when braking is an indication that the front brake rotors need service. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Surface falls are divided into four categories: trip and fall, stump and fall, step and fall, and slip and fall.