On-off control
A. Fully opens the final control element, when the measured variable is below the set point
B. Fully closes the final control element, when the measured variable is above the set point
C. Is a two position control (fully open or fully closed) control adequate to control a process with slow reaction and minimum dead time or transfer lag
D. None of these
Answer: Option C
This Question Belongs to Chemical Engineering >> Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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