Food Engineering [GATE (Graduate Aptitude Test in Engineering) Food Technology]: Questions 8 - 12 of 17

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Question 8

Food Engineering
Molecular Diffusion and Ick's Law

Appeared in Year: 2015

Question

MCQ▾

What is the percent relative humidity at which both the dry bulb and wet bulb thermometers would record equal temperatures?

Choices

Choice (4)Response

a.

0

b.

100

c.

50

d.

10

Question 9

Food Engineering
Flow Rate and Pressure Drop Relationships for Newtonian Fluids Flowing through Pipe

Appeared in Year: 2018

Question

MCQ▾

Identify the correct statement related to the viscosity of Newtonian fluids from the following.

Choices

Choice (4)Response

a.

It is not influenced by shearing rate

b.

It decreases with shearing rate

c.

It increases with shearing rate

d.

It is not influenced by temperature

Question 10

Food Engineering
Freezing and Crystallization

Appeared in Year: 2014

Question

MCQ▾

One ton of refrigeration means one of the following options:

Choices

Choice (4)Response

a.

Energy extracted to freeze one ton of water in one day

b.

Coefficient of performance is unity

c.

Cooling provided by one ton of ice in one hour

d.

Cooling provided by one kg of ice in one hour

Question 11

Food Engineering
Molecular Diffusion and Ick's Law

Appeared in Year: 2019

Question

MCQ▾

Ratio of Schmidt number to Lewis number is ________.

Choices

Choice (4)Response

a.

Reynolds number

b.

Sherwood number

c.

Nusselt number

d.

Prandtl number

Question 12

Food Engineering
Conduction and Convective Mass Transfer

Appeared in Year: 2013

Question

MCQ▾

In the extruder barrel, the compression is achieved by back pressure created by the die and by

Choices

Choice (4)Response

a.

Opening of the die

b.

Increasing pitch and decreasing diameter of the screw

c.

Using the tapered barrel with constant pitch

d.

Increase in the clearance between barrel surface and screw

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