When documenting the work order, what things should be listed?
A) The test equipment used for diagnosis B) The parts that were replaced
C) The test procedure that was followed D) All of these
D
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A good trail mix for chinchillas would include _____
a. unshelled nuts b. chocolate candies c. sunflower seeds d. salted peanuts
A 5-m × 6-m × 8-m room is to be heated by an electrical resistance heater placed in a short duct in the room. Initially, the room is at 15°C, and the local atmospheric pressure is 98 kPa. The room is losing heat steadily to the outside at a rate of 200?kJ/min. A 300-W fan circulates the air steadily through the duct and the electric heater at an average mass flow rate of 50?kg/min. The duct can be assumed to be adiabatic, and there is no air leaking in or out of the room. If it takes 18 min for the room air to reach an average temperature of 25°C, find (a) the power rating of the electric heater and (b) the temperature rise that the air experiences each time it passes through the heater.
What will be an ideal response?
The B/C ratio for a mosquito control program proposed by the Harris County Department of Health is reported to be 2.1. The person who prepared the report stated that the annual health benefits were estimated to be $400,000, and that disbenefits of $25,000 per year were used in the calculation. He also stated that the costs for chemicals, machinery, maintenance, and labor were estimated at $150,000 per year, but he forgot to list the cost for initiating the program (trucks, pumps, tanks, etc.). If the initial cost was amortized over a 10-year period at 8% per year, what is the estimated initial cost?
What will be an ideal response?
Technician A says a properly applied anti-corrosion compound applied to the interior of a door should be self-healing. Technician B says that, before applying any corrosion protecting materials, several steps required for refinishing operations should be followed as well. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B