Pressure error can be measured by which of the following?
A.	Differential bellows and strain gauge
B.	Selsyn
C.	Strain gauge
D.	Strain gauge and potentiometer
Answer:A
Pressure error can be measured by which of the following?
A.	Differential bellows and strain gauge B.	Selsyn C.	Strain gauge D.	Strain gauge and potentiometer