Related Questions

UNBEARABLE
A Tolerable
B Acceptable
C Undefeated
D Unpleasant
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A 0.6 Hs and 1.67 Hs
B 0.6 Hs and 1.87 Hs
C 1.27 Hs and 1.87 Hs
D 1.27 Hs and 1.67 Hs
How are the efficiencies of any heat engine (miu) and reversible heat engine (miuR) compared, when both are operating between same heat source and same heat sink?
A miu = miuR
B miu>miuR
C miu
D none of these
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
A Finned tube heat exchanger with air inside and steam outside
B Finned tube heat exchanger with air outside and steam inside
C Shell and tube heat exchanger with air inside tubes and steam on shell side
D Shell and tube heat exchanger with air on shell side and steam inside tubes
Last year I bought 1000 shares of Sunshine Enterprises at TaKa 17.25 per share. Today the stock is quoted at TaKa 17,375. How much profit shall I make by selling all the shares today ?
A 800
B 125
C 400
D 100
Today is Ratuls 12th birthday and his fathers 40th birthday. How many years from today will Ratul's father be twice as old as Ratuls at that time?
A 12
B 24
C 18
D 16
Two years ago, Tim was three times as old as susie . Today he is twice as old as susie. How old is Tim today?
A 2
B 4
C 6
D 8
Today is Aziz's 12th Birthday and his father's 40th Birthday. How many years from today will Aziz's father be twice as old as Aziz's at that time?
A 12
B 24
C 18
D 16

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