Related Questions

The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
Weight lifting can result in a dramatic increase in skeletal muscle mass. This increase in muscle mass is attributable to
A Fusion of a sarcomeres between two adjacent myofibrils
B Hypertrophy of individual muscle fiber
C Increase in skeletal muscle blood supply
D Increase in the number of glycolytic enzymes
E Increase in the number of neuromuscular junctions
The rainfall due to upward movement of air caused by convergence of cold air masses against warm air masses is called ________.
A Cyclonic rainfall
B Orographic rainfall
C Frontal rainfall
D Convectional rainfall
The Coromandel Coast of India receives good rains from cyclonic storms in the months of
A February and March
B July and August
C November and December
D None of the above
Cyclonic rainfall largely occurs in ________
A Egypt
B India
C U.K.
D Mexico
A balloon lifting in air follows the following principle
A Law of gravitation
B Archimedes principle
C Principle of buoyancy
D All of the above
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
A With greater number of blades
B Of increased diameter
C Both A & B
D Neither A nor B
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
When rain falls through a cold layer of air near the Earth's surface, raindrops get frozen into ice. This type of precipitation is called
A Hail
B Snowfall
C Snowstorm
D Sleet
The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth's surface is called ________
A Fog
B Hail
C Sleet
D Snowfall

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