A. Very limited flow ranges
B. Cryogenic flow measurements
C. Aerospace and in air borne applications
D. Both B. and C.
A. Positive
B. Sub-atmospheric
C. Very high
D. Atmospheric
A. Variable flow area
B. Rotation of a turbine
C. Pressure drop across a nozzle
D. Pressure at a stagnation point
A. Time required for the response of first reach its ultimate value is called the response time
B. Overshoot (which is a measure of how much the response exceeds the ultimate value) increase
with the decrease of damg co-efficient
C. Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of
overshoot
D. None of these
A. Oxygen
B. Oxides of nitrogen
C. Carbon dioxide
D. Any of these
A. Air to open valve with the controller direct acting
B. Air to close valve with the controller indirect acting
C. Air to open valve with the controller indirect acting
D. Air to close valve with the controller direct acting
A. Radiation/infrared pyrometer
B. Filled system thermometer
C. Mercury in glass thermometer
D. Thermo electric pyrometer