If Cpk=1.0 and Cp=2.0, what will be the actual fallout for the process in ppm?

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

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

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

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 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

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 consists of a WAC, SAC which is followed by a WBA and SBA. Calculate the amount of WBA resin required for the following data. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 EMA: 25 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs

A

2.5 m3

B

2.8 m3

C

1.2 m3

D

7.5 m3

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

A

484

B

201

C

2700

D

100

Calculate the SAC resin required for the following data. It should be noted that prior to the SAC, a WAC system is present. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 EMA: 50 ppm as CaCO3 Capacity: 57 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs

A

4.5 m3

B

6.9 m3

C

5.7 m3

D

7.5 m3

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

A

2

B

7

C

967

D

2700

If Cpk=1.0 and Cp=2.0, what will be the actual fallout for the process in ppm?

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