Science Bowl

GENERAL SCIENCE

General Science - 53

GENR-93; Multiple Choice:  For a DC motor, what major component in addition to the field
winding and the armature winding is necessary? 

w)  a commutator 
x)  a stator 
y)  a battery 
z)  a rotor 

ANSWER:  W -- A COMMUTATOR 

GENR-93; Multiple Choice:  Evaporation from water surfaces exposed to air is not dependent of
the: 

w)  velocity of the wind 
x)  humidity 
y)  temperature 
z)  depth of the water 

ANSWER:  Z -- DEPTH OF THE WATER