Compared to hot water heating coils, steam heating coils are:
A) Mostly plastic materials rather than metal. B) Physically smaller.
C) Physically larger. D) More complicated in construction.
B
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Si los colgantes son un poco largos en una máquina con una pluma corta, _____.
a. el peso del mástil llevará una pluma descargada hacia atrás cuando se alcance el radio mínimo b. la pluma se inclinará hacia delante y, posiblemente, hará que la grúa vuelque c. se dañará el cable de elevación d. se dañará el mástil debido a una condición de sobrecarga
If a diesel engine has a thermal efficiency of 35%, what percentage of the heat energy of the fuel is discharged as rejected heat?
A. 35% B. 65% C. Half of 35% D. Half of 65%
As part of the rehabilitation of the downtown area of a southern U.S. city, the Parks and Recreation Department expects to develop the space below several overpasses into basketball, handball, miniature golf, and tennis courts. The estimates are: initial cost of $190,000, life of 20 years, and annual M&O costs of $21,000. The department expects 20,000 people per year to use the facilities an average of 2 hours each. The value of the recreation has been conservatively set at $1.00 per hour. At a discount rate of 6% per year, what is the B/C ratio for the project?
What will be an ideal response?
The overrunning clutch accomplishes which of the following?
A) Protects the starter motor from spinning too rapidly B) Lets the starter motor rotate in either direction C) Separates the starter motor from the starter solenoid D) Brings the starter motor into contact with the ignition circuit