A manometer measures the _____________ pressure?
A. Atmospheric
B. Absolute
C. Gauge
D. None of these
Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an___________________?
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an___________________?
A. Orsat apparatus
B. Thermal conductivity cell
C. Zirconia probe
D. Chromatograph
Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively _____________ °C?
Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively _____________ °C?
A. – 39 and 350
B. – 51 and 439
C. – 79 and 395
D. – 10 and 425
A stable system is the one___________________?
A stable system is the one___________________?
A. For which the output response is bounded for all bounded input
B. Which exhibits an unbounded response to a bounded input
C. Which satisfies the conditions for a servo problem
D. None of these
Routh test_________________?
Routh test_________________?
A. Criterion provides information about the actual location of roots
B. Cannot be used to test the stability of a control system containing transportation lag
C. Criterion is not applicable to systems with polynomial characteristic equation
D. Cannot determine as to how many roots of the characteristics equation have positive real roots
Thermodynamic Celsius scale of temperature measurement is________________?
Thermodynamic Celsius scale of temperature measurement is________________?
A. Defined on the basis of melting point of ice and evaporation temperature of water vapor
B. Defined on the basis of melting point of ice and condensation temperature of water vapor
C. Having an interval of 100° between ice point to steam point
D. Both B. and C.
Bourdon gauges are used for measuring pressure (kg/cm2) ?
Bourdon gauges are used for measuring pressure (kg/cm2) ?
A. < atmospheric
B. > 2 (gauge)
C. 10 (absolute)
Radiation pyrometers as compared to thermocouples____________________?
Radiation pyrometers as compared to thermocouples____________________?
A. Has a slower speed of response
B. Can measure higher temperature
C. Can’t measure the temperature of moving objects
D. Is more affected by corrosive atmosphere
Number of poles in a system with transfer function 1/(s2 + 2s2 + 1) is ________________?
Number of poles in a system with transfer function 1/(s2 + 2s2 + 1) is ________________?
A. 2
B. 5
C. 3
D. 1
Thermocouple in a thermal well behaves as a true ________________?
Thermocouple in a thermal well behaves as a true ________________?
A. First order system
B. Second order system (overdamped)
C. Multiple first order system
D. Second order system (underdamped)