October 2022 Day 2

Question 1

When to use the smoker equation in distillation?

Answer 1

When relative volatility is 1.

Question 2

When is Dittus-Boilter equation applicable in fluid flow?

Answer 2

Turbulent

Question 3

What is the friction due to an unseparated boundary layer?

Answer 3

Skin friction

Question 4

Other term for viscose rayon

Answer 4

Regenerated cellulose acetate

Question 5

What reaction order is not affected by concentration?

Answer 5

Zero order

Question 6

Common filter aid

Answer 6

Diatomaceous earth

Question 7

Common suspending agents

Answer 7

Lime

Question 8

Basis of ruth equation

Answer 8

Hagen-Poiseuille

Question 9

Unavailability to do work

Answer 9

Entropy

Question 10

When drying banana chips under the sun, the rate of drying is faster

Answer 10

On a hot and windy day

Question 11

Fresh orange juice problem

Answer 11

0.7

Question 12

Fouling factor must be included in the calculation of overall design heat transfer coefficient, when the liquid

Answer 12

Containing suspended solids flow at low velocity

Question 13

The radiation flux from the heating element at a temperature of 800 deg C, in a furnace maintained at 300 deg C is kW/m^2. The flux when the element temperature is increased to 1000 deg C for the same furnace temperature is

Answer 13

16.5 kW/m^2

Question 14

The sum of reflectivity and emissivity for an opaque body is equal to

Answer 14

1

Question 15

What equation describes the flow through a cake in plate and filter?

Answer 15

Hagen-Poiseuille

Question 16

50% wet basis converted to wet basis is

Answer 16

100% dry basis