Relative volatility ? for a binary system
A.decreases with increase in pressure
B.increases with increase in pressure
C.increases with increase in temperature at constant pressure
D.has no significance in distillation operation
Category: Engineeeing Mcqs
An accelerometer has a seismic mass of 0.05 kg and a spring constant of 3000 N/m. Maximum mass displacement is
A.120 m/s2
B.300 m/s2
C.600 m/s2
D.1200 m/s2
E.2400 m/s2
A 500 litre tank contains a saturated mixture of steam and water at 300?C. If the mass of steam and water within the tank is equal, it can be concluded that
A.Volume of steam will be less than the volume of water
B.volume of steam will be less than the volume of water
C.Steam will be nearly dry and saturated
D.Dryness fraction of steam will be closer to 0.5
The water borne bacterial infections may cause
A.Typhoid fever
B.Dysentery
C.Cholera
D.Any of the above
E.None of the above
the main cause of power loss in a transmission line is
A.Resistance
B.capacitance is negligible
C.Inductance
D.Both inductance and capacitance
E.None of the above
In reaction turbine the draft tube is used
A.To transport water to downstream without eddies
B.To reconvert kinetic energy to flow energy by a gradual expansion of the flow cross-section
C.To increase the effective head
D.To prevent air from entering
E.To run the turbine full
The distance between the rails of a metre gauge railway line is
A.4 ft, 6
B.3 ft, 9
C.One metre
D.0.692 metre
Least value of specific heat
A.Water
B.Ice
C.Stream
D.Air
E.Alcohol
In any transmission line, the dimensions of constants B and C are
A.ohm and ohm
B.ohm and mho
C.mho and ohm
D.mho and mho
E.None of the above
Phosphatic fertilizer is required
A.during early stages of plant growth to promote development of stems and leaves
B.to stimulate early growth and accelerate seeding or fruit formation in later stages of growth
C.for the development of the starches of potatoes and grains
D.for the development of the sugar of fruits and vegetables and the fibrous material of plants
