Technician A says a lambda value of 1.0 is indicative of a stoichiometric air/fuel mixture. Technician B says a lambda value of .5 is indicative of a rich air/fuel mixture. Who is correct?
A.)Tech A only
B.)Tech B only
C.)Both Tech A and Tech B
D.)Neither Tech A nor Tech B
C. )Both Tech A and Tech B (Lean conditions would represent a value higher than 1.00, and rich conditions are lower.)
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a. front b. top c. right side d. bottom
An online patient diagnostics system for surgeons has the following point estimates: A first cost of $200,000 to install and $5000 annually to maintain over its expected life of 5 years. Added revenue is estimated to average $60,000 per year. Examine the sensitivity of present worth at a MARR of 10% per year to variation in selected parameter estimates, while others remain constant. Sensitivity to first cost variation: $150,000 to $250,000 (?25% to + 25%).
What will be an ideal response?
Certain types of electrical equipment are designed for safe use in hazardous conditions. What are these conditions?
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What is the last step in the operational sequence of the typical oil-fired furnace?
A) The flame shuts down. B) The indoor blower turns off. C) The heat exchanger cools. D) The fan switch contacts open.