Which lamp has the longest life expectancy?
A. incandescent
B. fluorescent
C. low-pressure sodium
D. mercury-vapor
Answer: D
You might also like to view...
Identify the statement that is false.
A. The American Revolution was not a revolution in the sense of a radical or total change. B. The American Revolution did not suddenly and violently overturn the entire social and political framework. C. During the American Revolution, people's lives were thrown in turmoil, they were unable to carry on day to day tasks and activities. D. Some isolated communities were unaware that the American Revolution was even going on. E. With the exodus of Loyalists, the emergence of a new Patriot elite was allowed to emerge.
What are the advantages of wheel-contact lifts?
What will be an ideal response?
The amount of limestone required to increase the pH from 5 to 7 would likely be higher for an Oxisol than for an Alfisol
Indicate whether the statement is true or false
Why is the basic-hole system more common than the basic-shaft system?
What will be an ideal response?