El revestimiento más usado en calderas y precipitadores es _____.
a. el acero inoxidable
b. las chapas con corrugado de 1-1/4 pulgada (3,17 cm) por 0,020 mil (0,50 mm)
c. las chapas lisas de aluminio
d. la chapa trapezoidal de aluminio
d. la chapa trapezoidal de aluminio
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Answer the following statement(s) true (T) or false (F)
1. Mobile engine designs typically aim for several thousand hours of life. 2. Fuel cells are said to be high emission technologies. 3. Any engine meant to drive a moving platform has to be compact but still robust 4. Methanol is very corrosive and has an affinity for water that makes transporting it difficult. 5. Fuel cells directly drive power shafts, whereas ICE engine sets generate electric currents.
Several ____ are used to create indoor plant media; they may be organic or mineral in origin
a. soil softeners c. oxygenators b. compounds d. amendments
Two technicians are discussing oil pumps. Technician A says that many oil pumps are driven directly off the front of the crankshaft. Technician B says that some are driven from the distributor if the engine uses a distributor-type ignition system. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Refer to the figure. For a pipe diameter of 2", find the e-e length of the spool piece J if 1/8" gaskets are used.
Fill in the blank(s) with the appropriate word(s).