Related Questions

Which of the following is an example of continous emission spectrum?
A Spectrum of an oil frame
B Spectrum of a water
C both
D none
Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.
A Float, string
B Positive number, negative number
C Even number, string
D String, Boolean
E Integer, string
Any externally introduced signal affecting the controlled output is called a
A Feedback
B Stimulus
C Signal
D Gain control
Difference at any instant between the value of the controlled variable and the set point is called the
A Deviation
B Derivative time
C Error ratio
D Differential gap
The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the
A Final control element
B On-off control
C Floating control action
D None of these
What is the change in cost per unit variable change called?
A Variable cost
B Incremental cost
C Fixed cost
D Supplemental cost
An assumption, which states that there must be linear relationship between independent variable and dependent variable is
A irrelevant range of linearity
B relevant range of linearity
C significant range
D insignificant range
The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called
A proportionality
B flexibility
C setting
D sensitivity
In a control system the output of the controller is given to
A Amplifier
B Sensor
C Final control element
D Comparator
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are
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

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