Science Bowl

GENERAL SCIENCE

General Science - 36

GENR-93; Multiple Choice:  Which of the following is an important element of stainless steel.   

w)  chromium 
x)  magnesium 
y)  copper 
z)  nickel 

ANSWER:  W -- CHROMIUM 

  
GENR-93;  Multiple Choice:  When petroleum is refined it is subject to a number of processes 
including cracking.  During the cracking process 

w)  lighter hydrocarbons are combined to form heavier ones
x)  heavy hydrocarbons are broken up into lighter ones
y)  lighter hydrocarbons are separated by distillation  
z)  oxygen is used to burn the heavier hydrocarbons 

ANSWER:  X -- HEAVY HYDROCARBONS ARE BROKEN UP INTO LIGHTER
ONES  

GENR-93; Multiple Choice:  A psychrometer (pron: si-'kro-me-ter) is used to measure humidity. 
It consists of two thermometers, one of which is wetted. The water is allowed to evaporate. 
Which thermometer reads the higher temperature. 

w)  the wet one 
x)  the dry one 

ANSWER:  X -- THE DRY ONE 

  
GENR-93; Multiple Choice:  One metal dissolved in another is called   

w)  an alloy 
x)  an assay 
y)  a mineral 
z)  a ceramic 

 ANSWER:  W -- AN ALLOY 

GENR-93; Multiple Choice:  An alloy consisting mainly of tin and lead is called:   

w)  brass 
x)  bronze 
y)  pewter 
z)  chrome 

ANSWER:  Y -- PEWTER