Related Questions

In an RC coupling scheme, the coupling capacitor CC must be large enough ___________
A To pass d.c. between the stages
B Not to attenuate the low frequencies
C To dissipate high power
D None of the above
In RC coupling, the value of coupling capacitor is about ___________
A 100 pF
B 0.1 µF
C 0.01 µF
D 10 µF
The most costly coupling is ___________ coupling
A RC
B Direct
C Impedance
D Transformer
The superhetrodyne principle provides selectivity at ___________ stage
A RF
B IF
C audio
D Before RF
Selectivity of the solvent used in solvent extraction should be
A 1
B > 1
C 0
The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is-
A 38.5 Degree Celcius
B 40.8 Degree Celcius
C 41.3 Degree Celcius
D 41.8 Degree Celcius
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
A receiver has poor IF selectivity. It will therefore also have poor
A Blocking
B Double-spotting
C Diversion reception
D Sensitivity
In liquid extraction, if the selectivity is unity, then
A Separation of the constituents is the most effective
B No separation will occur
C Amount of solvent required will be minimum
D Solvent flow rate should be very low
In which of the following unit operations, the selectivity is an important parameter?
A Distillation
B Solvent extraction
C Absorption
D None of these

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