A solar cell with an efficiency of 12% drives a small motor with an efficiency of 85%. What is the overall efficiency of the system?
What will be an ideal response?
10.2%
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The ____________________ is the most common heat sensing device used in the production of room thermostats and thermometers.
Fill in the blank(s) with the appropriate word(s).
High grades of exterior and marine plywood are bonded with ____. ?
A. ?polyvinyl acetate adhesives B. ?cellulosic adhesives C. ?phenolic resins D. ?resorcinol-formaldehyde resins
Find a 98% confidence interval for the difference in mean fuel mileage between hot and cold engines.
A sample of 10 diesel trucks were run both hot and cold to estimate the difference in fuel economy. The results, in mpg, are presented in the following table.
During a panic stop on a vehicle equipped with vacuum boost system and brake assist, less assist will be provided to prevent wheel lock-up.
Answer the following statement true (T) or false (F)