Process Control & Instrumentation Mcqs for Chemical

1.

A bolometer is __________________?

A. Used for the measurement of thermal radiation

B. An element which senses optical input and delivers thermal output

C. Both A. & B.

D. Neither A. nor B.

Answer & Solution Discuss in Board

2.

The time constant of a first order process with resistance R and capacitance C is__________________?

A. R + C

B. R – C

C. RC

D. 1/RC

Answer & Solution Discuss in Board

3.

Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

A. 0.0001

B. 0.001

C. 0.01

D. 0.1

Answer & Solution Discuss in Board

4.

What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

A. 1/(1 + GH)

B. G/(1 + GH)

C. H/(1 + GH)

D. G/(1 – GH)

Answer & Solution Discuss in Board

5.

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

A. Increase of pressure

B. Increase of thermal conductivity

C. Volumetric expansion

D. Differential linear expansion

Answer & Solution Discuss in Board

6.

Change of angle of refraction with composition comprises the working principle of a___________________?

A. Polarimeter

B. Polarograph

C. Spectrometer

D. Refractometer

Answer & Solution Discuss in Board

7.

Mcleod gauge is used to measure the __________________?

A. Point velocity

B. Flow rate

C. Vacuum

D. Pressure

Answer & Solution Discuss in Board

8.

A non-linear system will have _____________ steady state values?

A. One

B. More than one

C. Two

D. Three

Answer & Solution Discuss in Board

9.

On-off control which is a special case of proportional control, has a band width of about _____________ percent?

A. 100

B. 75

C. 25

D. 0

Answer & Solution Discuss in Board

10.

In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?

A. G/(1 + H)

B. H/(1 + G)

C. G/H

D. H/G

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Process Control & Instrumentation Mcqs for Chemical

1. A bolometer is __________________?

Answer & Solution

2. The time constant of a first order process with resistance R and capacitance C is__________________?

Answer & Solution

3. Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

Answer & Solution

4. What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

Answer & Solution

5. Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

Answer & Solution

6. Change of angle of refraction with composition comprises the working principle of a___________________?

Answer & Solution

7. Mcleod gauge is used to measure the __________________?

Answer & Solution

8. A non-linear system will have _____________ steady state values?

Answer & Solution

9. On-off control which is a special case of proportional control, has a band width of about _____________ percent?

Answer & Solution

10. In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?

Answer & Solution

Read More Section(Chemical Engineering Mcqs)

1.

A bolometer is __________________?

2.

The time constant of a first order process with resistance R and capacitance C is__________________?

3.

Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

4.

What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

5.

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

6.

Change of angle of refraction with composition comprises the working principle of a___________________?

7.

Mcleod gauge is used to measure the __________________?

8.

A non-linear system will have _____________ steady state values?

9.

On-off control which is a special case of proportional control, has a band width of about _____________ percent?

10.

In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?