The bar system of pressure measurement is used primarily: A) ...

[Metfan725]

The bar system of pressure measurement is used primarily:
 
  A) In third-world countries where regular pressure gauges are too costly.
  B) In the United States.
  C) By countries on the SI system.
  D) In countries with a high per capita consumption of alcoholic beverages.

Question 2

Calculate the amount of heat in BTU required to change the temperature of 10 lb of copper from 100F to 150F. The specific heat of copper is 0.09 BTU/lb.
 
  A) 10 lb  50F  0.09 BTU/lb = 45 BTU
  B) 10 lb  50F = 500 BTU
  C) 10 lb  0.09 BTU/lb = 0.9 BTU
  D) The amount of heat required cannot be calculated using the information given.

[frejo]

Answer to Question 1

C

Answer to Question 2

A