When should "soft foot" be checked?
A. before it gets bad.
B. before alignment.
C. during alignment.
D. after alignment.
B
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A large quantity of smoke that can be generated during FCA welding.
Answer the following statement true (T) or false (F)
Assume that an additional inductance can be inserted in series with the load. Also assume that the converter has no freewheeling diodes. Calculate the added inductance that leads to a conduction period of 180o when ? = 30o .
What will be an ideal response?
Nuclear safety devices installed several years ago have been depreciated from a first cost of $200,000 to zero using MACRS. The devices can be sold on the used equipment market for an estimated $15,000, or they can be retained in service for 5 more years with a $9000 upgrade now and an OE of $6000 per year. The upgrade investment will be depreciated over 3 years with no salvage value. The challenger is a replacement with newer technology at a first cost of $40,000, n = 5 years, and S = 0. The new units will have operating expenses of $7000 per year.
(a) Use a 5-year study period, an effective tax rate of 40%, an after-tax MARR of 12% per year, and an assumption of classical straight line depreciation (no half-year convention) to perform an after-tax AW-based replacement study. (b) If the challenger is known to be salable after 5 years for an amount between $2000 and $4000, will the challenger AW value become more or less costly? Why?
Materials specified on a roof plan include the roofing material, the type of underlayment, overhangs, drainage materials such as gutters and downspouts, vents and their location, and any major roof penetrations such as skylights and chimneys.
Answer the following statement true (T) or false (F)