Related Questions

In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating
A Decreases with increase in Rankine cycle efficiency
B Increases with increase in Rankine cycle efficiency
C Is unaffected by increase in Rankine cycle efficiency
D None of the above
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these
In a regenerative feed heating cycle, the greatest economy is affected
A when steam is extracted from only one suitable point of steam turbine
B when steam is extracted from several places in different stages of steam turbine
C when steam is extracted only from the last stage of steam turbine
D when steam is extracted only from the first stage of steam turbine
The maximum percentage gain in Regenerative feed heating cycle thermal efficiency
A increases with number of feed heaters increasing
B decreases with number of feed heaters increasing
C remains same unaffected by number of feed heaters
D none of the above
A bag of chicken feed can feed 18 chickens for 54 days. For how many days will it feed 12 chickens?
A 81
B 36
C 72
D 40
Fqra cold viscous feed, backward feed gives __________ than forward feed.
A A higher capacity
B A lower capacity
C Lower economy
D None of these
A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides
A Higher economy
B Lower capacity
C Both A & B
D Lower economy
An ideal regenerative cycle is
A Equal to Carnot cycle
B Less than Carnot cycle
C More than Carnot cycle
D Could be anything
Regenerative cycle thermal efficiency
A is always greater than simple Rankine thermal efficiency
B is greater than simple Rankine cycle thermal efficiency only when steam is bled at particu-lar pressure
C is same as simple Rankine cycle thermal efficiency
D is always less than simple Rankine cycle thermal efficiency
A regenerative steam cycle renders
A Increased work output per unit mass of steam
B Decreased work output per unit mass of steam
C Increased thermal efficiency
D Decreased work output per unit mass of steam as well as increased thermal efficiency

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