Chemical Engineering :: Chemical Engineering Basics-2
- Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is
- Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.
- Which of the following is prone to cup and cone fracture?
- In the diving apparatus, helium is used along with oxygen, because it is
- The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
- On-off control
- Which of the following is an unconventional source of energy ?
- Refrigerative cooling employed during long distance transportation of food stuffs is normally done by
- Increase in the entropy of a system represents the
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A.
Fully opens the final control element, when the measured variable is below the set point |
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B.
Fully closes the final control element, when the measured variable is above the set point |
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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 |
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D.
None of these |