Boilers classified as low-pressure steam boilers have a maximum operating pressure of _____.
a. 5 psi
b. 15 psi
c. 50 psi
d. 100 psi
b. 15 psi
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Technician A says that a low-restriction exhaust system could prevent a back pressure-type vacuum-controlled EGR valve from opening correctly. Technician B says restricted exhaust can cause the EGR valve position sensor to fail. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Trees planted in _____ provide the best design for sound insulation.
A. a semicircle formation B. straight lines C. staggered rows D. a random pattern
The graph of a system of equations with infinite solutions is two parallel lines.
Answer the following statement true (T) or false (F)
The water temperature leaving a water cooled condenser is 100°. What does that indicate the condensing temperature should be?
a. 90° b. 110° c. 130° d. 135°