ALLIGATION OR MIXTURE PROBLEMS QUIZ

For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Product

Sum

Difference

Ratio

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Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Platinum-platinum+rhodium

Chromel-alumel

Iron-constantan

Either A, B or C

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The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by

Introducing derivative control

Introducing integral control

Reducing value of Kc

None of these

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YOUR ANSWER : ?

Feed forward controller accounts for the __________ changes.

Both A & B

Neither A nor B

Set point

Load

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Which of the following controllers has maximum offset?

P-D controller

P-I controller

P-controller

P-I-D controller

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YOUR ANSWER : ?

Which of the following is not a differential pressure flow meter?

Venturimeter

Rotameter

Flow nozzle

Orificemeter

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YOUR ANSWER : ?

Which of the following thermocouple materials does not contain nickel?

Chromel

Constantan

Alumel

None of these

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YOUR ANSWER : ?

__________ is an example of distributed parameter system

Tubular reactor

None of these

On-off controller

CSTR

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Measurement of pressure in ammonia reactor is done by

U-tube manometer

Bourdon gauge

Pirani guage

Inclined tube manometer

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YOUR ANSWER : ?

Flow rate of sludge is not measured by a/an

Both B & C

Open weir

Orificemeter

Kennison nozzle

TRUE ANSWER : ?
YOUR ANSWER : ?

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