Prokaryotic cells are generally considered to be which of the following?
a. Plant c. Plant and animal
b. Animal d. Neither plant nor animal
D
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All of the following statements about the air injection system are true EXCEPT:
A. a diverter valve, or a similar type of device, prevents a backfire during deceleration. B. a one-way check valve prevents exhaust from backing up into the hoses and pump. C. a high-pressure vane-type pump driven by a crankshaft belt provides air. D. computer-controlled three-way catalyst systems include an air switching valve that moves the injected air into the exhaust manifold or into part of the catalytic converter.
Name the process of joining two or more pieces of like metals by heating the material to a temperature high enough to cause softening or melting.
What will be an ideal response?
The main limit switch shuts the gas valve down when:
A) The heat exchanger area becomes overheated. B) The blower motor overheats. C) The monthly BTU limit has been reached. D) The house temperature reaches 80°F.
The subsequent problems deal with the 2-bit A/D flash converter shown below where Vmin is 0V and Vmax is 4V. Assume the comparators have standard TTL outputs (not open-collector).
If Vin is 1.5V and trigger is high, what is G1?
A. 0 B. 1