Rajasthan Polytechnic Third Year Paper 2016 – Referigeration Application

Rajasthan Polytechnic Third Year Paper 2016 – Referigeration Application

What is the main reason of food spoilage?
(a) Due to change in temperature of environment
(b) Do not preserve the food properly.
(c) Growth of micro-organism due to moisture in environment
(d) All of the above

What is the significance of spoil food?
(a) Weight of the food is increased
(b) Food have change in colour, shape and also change in vlaue of neutron
(c) Increased the taste of food
(d) None of the above

Which major component is poresents in all types of etable foods, useful for human body?
(a) Protein
(b) Fat
(c) Iron
(d) All of the above

Which factor is considered in spoil the food?
(a) Bacteria
(b) Fungus
(c) both (a) and (b)
(d) None of the above

How much temperature is maintained at how much time during batch pasteurization process of milk?
(a) 143 degree Fahrenheit at 30 seconds
(b) 144 degree Fahrenheit at 40 seconds
(c) 148 degree Fahrenheit at 70 seconds
(d) 130 degree Fahrenheit at 37 seconds

How much temperature is maintained at how much time during short-time pasteurizaiton process of milk?
(a) 100 degree Fahrenheit at 16 seconds
(b) 161 degree Fahrenheit at 16 seconds
(c) 160 degree Fahrenheit at 16 seconds
(d) 120 degree Fahrenheit at 16 seconds

Refrigeration anaesthesia is used in
(a) Medical
(b) Food preservation
(c) (a) & (b) both
(d) None of the above

Following type of condenser is used in water cooler
(a) air cooled
(b) water cooled
(c) evaporative
(d) None of the above

At what temperature is considered in design of refrigerated warehouses?
(a) 45 degree Fahrenheit
(b) 30 degree Fahrenheit
(c) zero degree Fahrenheit
(d) All of the above

Geographical situation of refrigerated warehouses is such that where
(a) nearby the city
(b) out of city where transportation is available
(c) out of city where, labour, light, water and transportation is available
(d) such type facility are not available