Science Bowl

GENERAL SCIENCE

General Science - 16

GENR-92; Short Answer:  The majority of the U.S. electricity generating plant use what
thermodynamic cycle?

ANSWER:  RANKINE

GENR-92; Short Answer:  Which continent has the largest KNOWN deposits of coal?

ANSWER:  NORTH AMERICA

GENR-92; Multiple Choice:  In a typical power plant used to generate electricity in the U.S., the
percentage of energy in the fuel that is converted to electricity is about:

w)  99 percent
x)  50 percent
y)  35 percent
z)  10 percent

ANSWER:  Y -- 35 PERCENT

GENR-92; Short Answer:  In electronic circuits, what name is given to a frequency discriminating
network designed to select or pass certain bands of frequencies with low attenuation and cause
very high attenuation to other frequencies?

ANSWER:   FILTER

GENR-92; Short Answer:  This bistable electronic device assumes one of two stable output
states, depending upon the state of the most recently applied input signal.  In computer systems
this device is used for storing information.  Name this common electronic device.

ANSWER:   FLIP-FLOP  or  TOGGLE

GENR-92; Multiple Choice:  In a certain electronic circuit the output is positive if input 1 is
positive and input 2 is zero.  If both inputs are positive the output is zero.  This is:

w)  an AND circuit
x)  a NOR circuit
y)  an OR circuit
z)  a high-pass filter

ANSWER:   Y -- AN OR CIRCUIT