Engineering Sciences
GATE XE exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 1561–1570 of 1772. Imported answers require independent review unless marked reviewed.
Question 8
Open questionXE-GNAT1 markNeeds review
The oxygen transmission rate through a 2.54 x 10^ cm thick low density polyethylene film with air on one side and inert gas on the other side is 3.5 x 10^ mL cm^ s^. Oxygen partial pressure difference across the film is 0.21 atm. The permeability coefficient of the film to oxygen is ______ x 10^ mL (STP) cm cm^ s^ (cm Hg)^.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 9
Open questionXE-GNAT1 markNeeds review
Ambient air at 30°C by bulb temperature and 80% relative humidity was heated to a dry bulb temperature of 80°C in a heat exchanger by indirect heating. The amount of moisture gain (g kg^ dry air) during the process would be ______.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 10
Open questionXE-GMCQ2 marksNeeds review
Match the commodity in Group I with the bioactive constituent in Group II
Group I
P. Ginger
Q. Green tea
R. Spinach
S. Turmeric
Group II
Lutein
Gingerol
Curcumin
Epigallocatechin galate
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 11
Open questionXE-GMCQ2 marksNeeds review
Match the process operation in Group I with the separated constituent in Group II
Group I
P. Extraction
Q. Degumming
R. Neutralization
S. Bleaching
Group II
Phospholipids
Free fatty acids
Pigments
Crude oil
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionXE-GMCQ2 marksNeeds review
Match the spoilage symptom in Group I with the causative microorganism in Group II
Group I
P. Green rot of eggs
Q. Putrid swell in canned fish
R. Red bread
S. Yellow discoloration of meat
Group II
Micrococus spp.
Serratia marcescens
Pseudomonas fluorescens
Clostridium sporogenes
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 13
Open questionXE-GMCQ2 marksNeeds review
Match the fermented product in Group I with the base material in Group II
Group I
P. Sake
Q. Churpi
R. Natto
S. Sauerkraut
Group II
Milk
Cabbage
Rice
Soybean
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionXE-GMCQ2 marksNeeds review
Match the operation in Group I with the process in Group II
Group I
P. Cleaning
Q. Grading
R. Size reduction
S. Filtration
Group II
Quality separation
Clarification
Screening
Comminution
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionXE-GMCQ2 marksNeeds review
Out of 7 principles of HACCP system, 4 are listed below. Arrange these principles in the order in which they are applied.
(P) Conduct a hazard analysis
(Q) Establish monitoring process
(R) Establish critical limit
(S) Establish record keeping and documentation process
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 16
Open questionXE-GMCQ2 marksNeeds review
Apple juice of 10% total solids (TS) is being concentrated in a single effect evaporator working with a surface condenser to 40% TS under a vacuum of 20 kPa. After some time the vacuum pump stops but the evaporation process continued. Choose the combination of possible implications from the following.
(P) Product quality is affected
(Q) Substantial increase in thermal energy requirement
(R) Decrease in the rate of evaporation
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionXE-GMCQ2 marksNeeds review
Identify an example of a classical diffusional mass transfer process without involving heat, among the following.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer