Process Control and Instrumentation

A. Atmospheric
B. Absolute
C. Gauge
D. None of these

A. Orsat apparatus
B. Thermal conductivity cell
C. Zirconia probe
D. Chromatograph

A. – 39 and 350
B. – 51 and 439
C. – 79 and 395
D. – 10 and 425

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

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

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.

A. < atmospheric
B. > 2 (gauge)
C. 10 (absolute)

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

A. 2
B. 5
C. 3
D. 1

A. First order system
B. Second order system (overdamped)
C. Multiple first order system
D. Second order system (underdamped)