The corrector plate of a vapour pressure thermometer is
A.primary element
B.secondary element
C.functioning element
D.manipulating element
Category: Instrumentation and Process Control Mcqs
A constant-volume gas thermometer employing hydrogen gas is used to measure the temperatures
A.less than 0?C
B.between 0?C and 100?C
C.greater than 100?C
Mcleoid gauge is used to measure
A.pressures of greater than 30 psia
B.pressures of less than 30 psia
C.high vacuums
D.atmospheric pressure
If a solution has pH = 2. it is
A.highly acidic
B.weakly acidic
C.neutral
D.alkaline
The solution will be acidic when
A.pH > 7
B.pH = 7
C.pH ? 7
D.pH < 7
If the pH of a solution changes by 1 unit the corresponding change in the hydrogen ion concentration of the solution is
A.2.3 times
B.10 times
C.23 times
D.100 times
Which of the following is a static characteristic of instruments?
A.Fidelity
B.Time lag
C.Dynamic error
D.Reproducibility
Bimetallic thermometers use
A.two similar metal wires
B.two dissimliar metal wires
C.two strips of metals welded together having different coefficients of thermal expansion
D.two strips of metals welded together having same coefficient of thermal expansion
Bimetallic thermometers are used to measure the temperature in the range of
A.?20? to 1600?C
B.0? to 400?C
C.60? to 600?C
D.800? to 1800?C
