Question58:-Water activity of pure water is
A:-Less than one
B:-Greater than one
C:-Equal to one
D:-None of the above
Correct Answer:- Option-C
Question59:-The difference between adsorption and desorption curves is called
A:-Sorption behaviour
B:-Re-absorption behaviour
C:-Wetting behaviour
D:-Hysteresis behaviour
Correct Answer:- Option-D
Question60:-Bemoulli's equation represents conservation of
A:-Mass
B:-Energy
C:-Force
D:-Momentum
Correct Answer:- Option-B
Question61:-If the viscosity of a fluid decreases with time, the fluid is called
A:-Thixotropic
B:-Rheopectic
C:-Dilatant
D:-Bingham fluid
Correct Answer:- Option-A
Question62:-Fourier equation is used to calculate heat transfer by
A:-Conduction
B:-Convection
C:-Radiation
D:-Convection and Radiation
Correct Answer:- Option-A
Question63:-R-717 is which refrigerant?
A:-Freon
B:-Ammonia
C:-Brine
D:-Sulphur Dioxide
Correct Answer:- Option-B
Question64:-Dehumidification process on the psychometric chart 15 given by
A:-Horizontal lines
B:-Inclined lines
C:-Curved lines
D:-Vertical lines
Correct Answer:- Option-D
Question65:-Density of water is maximum at ட்‌
A4
8:-5
C:-6
0-7
Correct Answer:- Option-A
Question66:-The type of valve (suction/discharge) commonly used in homogenizer is
A:-Poppet
B:-Ball
C:-Mushroom
D:-None of the above
Correct Answer:- Option-C
Question67:-Minimum clearance space of is required between the floor and equipment base with ball foot.
A:-10 mm
B:-50 mm
C:-75 mm
D:-100 mm