Related Questions

Very high pressure boilers are usually __________ boilers.
A Fire tube
B Water tube
C Waste heat
D Natural circulation
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
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
The basic job of feed water treatment in boilers is to overcome the problem of
A Corrosion
B Scale
C Carryover
D All of the above
Fire tube boilers are limited to a maximum working pressure of
A 0.17 MN/m2
B 1.7 MN/m2
C 17 MN/m2
D 170 MN/m2
Fire tube boilers are limited to a maximum design working pressure of
A 1 kg/cm
B 6 kg/cm
C 17 kg/cm2
D 100 kg/cm2
Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
A Increases
B Decreases
C Remain unaffected
D First increases and then decreases
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

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