What is the value of process fallout in defectives ppm for one sided specifications of a PCR Cp= 1.10?

A PCR Cp=1.00 indicates the fallout rate of ___________ ppm for two-sided specifications.

A

2

B

7

C

967

D

2700

A process capability ratio Cp=____________ indicates the fallout rate of 1 ppm for one-sided specifications for a normally distributed process.

A

1.2

B

1.8

C

1.9

D

1.6

The treatment system includes a WAC, SAC, followed by a WBA and SBA. There is a degasser in this system. Calculate the amount of SBA resin required for the following data. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 Silica: 30 ppm as CaCO3 CO2: 45 ppm as CaCO3 EMA: 100 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 35 m3/hr Operation hours: 10 hrs

A

0.5 m3

B

0.9 m3

C

1.9 m3

D

1.5 m3

If a process actual fallout is 1350 ppm, and its Cp=2.0, what will be its fallout after centering?

A

1 ppm

B

4 ppm

C

0.009 ppm

D

0.0018 ppm

Following is an ecosystem of water-body, showing the concentration of DDT in each trophic levels. Water → Algae → Fish → Pelican bird 1700 ppm → 500-600 ppm → 77 ppm → 0.2 ppm Which of the following feature is incorrect if the above is to represent biomagnification?

A

Fishes don't eat algae. Instead of fish it should be bacteria and then fish

B

The concentration of DDT should increase as we go to higher trophic-levels

C

There are no incorrect features in the above representation

D

Algae should not be present. It should be bacteria instead

The treatment system includes a WAC, SAC, followed by a WBA and SBA. There is no degasser in this system. Calculate the amount of resin required for the following information. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 Silica: 45 ppm as CaCO3 CO2: 45 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 35 m3/hr Operation hours: 10 hrs

A

1.5 m3

B

1.1 m3

C

7.9 m3

D

7.5 m3

Consider a two-sided discrete-time signal (neither left sided, nor right sided). The region of convergence (ROC) of the z-transform of the sequence is: 1) All region of z-plane outside a unit circle (in z-plane) 2) All region of z-plane inside a unit circle (in z-plane) 3) Ring in z-plane Which of the above is/are correct?

A

1 only

B

2 only

C

3 only

D

1 and 3

Given below are two statements followed by two conclusions numbered I and II. You have to consider the statements to be true, even if they seem to be at variance from commonly known facts. Decide which of the conclusions follow/s from the statements. Statements: I. All three – sided are triangles. II. No triangle is a circle Conclusion: I. All triangles are three – sided. II. No circle is three – sided.

A

Both conclusion I and II follow

B

Only conclusion II follows

C

Only conclusion I follows

D

Neither conclusion I nor II follow

For the calculation of the PCR Cp the process mean must be centered in the case of two-sided specifications.

A

True

B

False

The process fallout (in ppm) ___________ with increase in the process capability ratio Cp, for a normally distributed process.

A

Increases

B

Decreases

C

Remains same

D

Can’t be described an increase or decrease

What is the value of process fallout in defectives ppm for one sided specifications of a PCR Cp= 1.10?

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