Related Questions

For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a
A Batch reactor is preferred over a single CSTR for high yield
B Tubular reactor is preferred over a single CSTR for high yield
C Both A and B
D Single CSTR is the most suitable
Which antenna is a wideband antenna?
A Hertz antenna
B Marconi antenna
C Folded dipole
D None of the above
A Yagi antenna has a driven antenna
A Only
B With a reflector
C With one or more directors
D With a reflector and one or more directors
Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
A Linear strain
B Lateral strain
C Volumetric strain
D Shear strain
In what form is solar energy is radiated from the sun?
A Ultraviolet Radiation
B Infrared radiation
C Electromagnetic waves
D Transverse waves
Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth?
A Carbon dioxide
B Oxygen
C Carbon monoxide
D Nitrogen
The digitizing technology that uses an electric field radiated from the tablet and picked up by a cursor is:
A electromagnetic
B raster
C sonic
D electrostic
E None of the above
The energy radiated by sun on a bright sunny day is approximately
A 700 W/m2
B 800 W/m2
C 1 kW/m2
D 2 kW/m2
The energy radiated from a surface Q at absolute temperature T is related as
A Q ∝ T2
B Q ∝ T4
C Q ∝ T3
D None of these
Which of the following absorbs the insolation from the sun and preserves the earth's radiated heat, thus acting like a blanket allowing the earth neither to become too cold nor too hot?
A Dust
B Water vapour
C Ozone
D Nitrogen

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