A. Increasing its cross-sectional area of flow
B. Passing it through a pressure reducing valve
C. Forcing it downwards through a vertical tube
D. None of these
A. Nitrogen oxides
B. Hydrocarbons
C. Both A. & B.
D. Carbon monoxide
A. Is an electrical insulating material
B. Of low resistivity is preferred
C. Should have high thermal conductivity
D. Need not defy the corrosive action of chemicals
A. Proteins
B. Carbohydrates
C. Vitamins
D. Fats
A. 0.5
B. 2
C. √2
D. √3/2
A. Isobaric
B. Polytropic
C. Isentropic
D. None of these
A. Enthalpy
B. Relative humidity
C. Wet bulb temperature
D. Dew point temperature
A. Electrochemical deposition
B. Gaseous reduction
C. Atomisation
D. Mechanical attrition
A. Its higher boiling point (290°C) increases its heat carrying capacity
B. Comparatively less weight of coolant is required
C. Smaller radiator can be used
D. All a, b & c
A. Oxide only
B. Sulphate only
C. Oxide and sulphate
D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide