72 questions
11
Mixed
Moderate
PYQ
+1.0
-0.33
____________________is the process of adding moisture to the air without affecting its dry bulb temperature.
12
Mixed
Moderate
PYQ
+1.0
-0.33
In refrigeration and air conditioning systems, balance valves are also called the
13
Mixed
Moderate
PYQ
+1.0
-0.33
When selecting a sheet size for an original drawing, what should be the primary consideration?
14
Mixed
Moderate
PYQ
+1.0
-0.33
What is the purpose of an emergency evacuation plan?
15
Mixed
Moderate
PYQ
+1.0
-0.33
In the operations of a cold storage plant, is used to protect the plant components against unusual working conditions.
16
Mixed
Moderate
PYQ
+1.0
-0.33
In which of the following types of refrigeration system, a lighter gas compared to the refrigerant vapour is introduced into the system?
17
Mixed
Moderate
PYQ
+1.0
-0.33
exists when a system changes its state due to temperature difference between the system and its surroundings.
18
Mixed
Moderate
PYQ
+1.0
-0.33
In refrigeration systems, 'FCU' stands for
19
Mixed
Moderate
PYQ
+1.0
-0.33
In horizontal type bottle coolers, air convection is present inside the storage cooling compartment.
20
Mixed
Moderate
PYQ
+1.0
-0.33
Which of the following are the two methods of charging refrigerants into systems?