In a fuel cell there is no combustion; the reaction is purely ____________________.
Fill in the blank(s) with the appropriate word(s).
chemical
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The knot shown in the figure above is a _____.
a. clove hitch b. half-hitch safety c. square d. bowline
Una característica de las for- mas de malla de acero es que _____.
a. dejan una superficie áspera para que se pueda unir con el con- creto de alrededor b. no se deterioran con el tiempo c. pesan más que la forma de madera d. no pueden usarse para hacer formas ocultas
In an adiabatic process, 102 kJ of work is done on 25 kg of water. Express the change in internal energy (Btu) per pound of mass of fluid. Hint: u2 ? u1 = U2 ? U1/m (kJ/kg). Lowercase denotes energy per unit mass.
What will be an ideal response?
Technician A says the Ford 4R70E and the 4R75E are considered to be wide ratio geartrain transmissions. Technician B says the latest model of Ford is a nine-speed transaxle called the 948TE. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B