Which type of ballast has the highest system efficiency?

a. Electronic instant-start
b. Electronic rapid-start
c. Standard
d. Hybrid


a. Electronic instant-start

Trades & Technology

You might also like to view...

The _____ wheelbarrow is made of heavy-duty steel and is equipped with wooden handles and an air-filled rubber tire.

A. mason's B. builder's C. contractor's D. landscaper's

Trades & Technology

The least material condition of the shaft dimension Ø.625/.620 is:

a. .625 b. .620

Trades & Technology

Bacteria have developed immunity to some antibiotics

Indicate whether the statement is true or false

Trades & Technology

What is sensible heat gain?

A) Heat gain that causes the air temperature in the house to increase B) Heat gain that falls within the parameters of the Department of Energy's "Good Sense" program C) Heat gain that results from increased moisture in the air in the house D) Heat gain that can be logically deduced by studying the manufacturer's installation instructions

Trades & Technology