If f is defined as above, then which of the following applies to a feed at dew point?

On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

A

Greater degree of separation with a fixed number of trays

B

Increased reboiler load

C

Increased reflux ratio

D

None of these

Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?

A

1010

B

1020

C

2010

D

3010

Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?

A

1020Km

B

1010Km

C

2010Km

D

3010Km

A bag of chicken feed can feed 18 chickens for 54 days. For how many days will it feed 12 chickens?

A

81

B

36

C

72

D

40

Fqra cold viscous feed, backward feed gives __________ than forward feed.

A

A higher capacity

B

A lower capacity

C

Lower economy

D

None of these

A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides

A

Higher economy

B

Lower capacity

C

Both A & B

D

Lower economy

Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

A

Is more accurate in finding the number of equilibrium stages

B

Accounts for the enthalpy changes in the process

C

Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method

D

All of the above

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

A

Increase the rate of absorption

B

Avoid corrosion

C

Reduce the cooling water circulation rate

D

None of these

Point A is south of point B and point B is west point C. To which direction is point A with respect to point C ?

A

South

B

South West

C

North east

D

North West

Point A is 10 miles west of Point B. Point B is 30 miles North of Point C. Point C is 20 miles East of Point D. what is the distance between points A and D?

A

1010

B

810

C

710

D

910

If f is defined as above, then which of the following applies to a feed at dew point?

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