The fuse protection for a piece of air-conditioning equipment should be sized using:
A) The locked rotor current of all the equipment motors added together.
B) The sum of the compressor RLA and the FLA of all fan motors.
C) The maximum overcurrent rating listed on the equipment data plate.
D) The minimum circuit ampacity listed on the equipment data plate.
C
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Estimate the after-tax ROR for a project that has a before-tax ROR of 24%. Assume the company is in the 35% tax bracket and it used MACRS depreciation for an asset that has a $27,000 salvage value.
What will be an ideal response?
A consultant, after 3 months of work, reported that the modified B/C ratio for a city-owned hospital heliport project is 1.7. If the initial cost is $1 million and the annual benefits are $150,000, what is the amount of the annual M&O costs used in the calculation? The report stated that a discount rate of 6% per year and an estimated life of 30 years were used.
What will be an ideal response?
Technician A says communication is important so that the actual customer concern is addressed and fixed. Technician B says poor communication can cause an incorrect diagnosis. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
What is the most common form of switching used for mechanical thermostats?
A) Mercury bulb B) Spring and bellows C) Warped discs D) Magnets