Related Questions

A receiver has poor IF selectivity. It will therefore also have poor
A Blocking
B Double-spotting
C Diversion reception
D Sensitivity
The superhetrodyne principle provides selectivity at ___________ stage
A RF
B IF
C audio
D Before RF
If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling
A Loose
B Tight
C Critical
D None of the above
In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing
A CO
B CO2
C O2
D H2O
Selectivity of the solvent used in solvent extraction should be
A 1
B > 1
C 0
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
Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control?
A Morse and Kimball (1946)
B P.M.S. Blackett (1948)
C E.L. Arnoff and M.J. Netzorg
D None of the above
A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
A Sequential
B Logical
C Digital
D Physical
E None of the above
Out of the following, which is the most important parameter for the blast furnace grade coke?
A CSR & CRI
B Ash content
C Moisture content
D Volatile matter content
The price per unit of a product increases by 25% . The actual Taka increase in the unit price is Tk.1.25. What was the unit price in Taka before the price increase?
A 5
B 7.5
C 6.25
D 8.75

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