Related Questions

Systems are invented to sterilize waste water. (Choose the right meaning of the brackets word)
A disinfect
B drain
C stabilize
D infect
Systems are invented to sterilize waste water.
A stabilize
B drain
C disinfect
D infect
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
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
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
The beads on the stem of 'the ice plant' are 'swollen' with 'a water' and give plant 'a moist feel'
A the ice plant
B swollen
C a water
D a moist feel
Choose the word that is most nearly opposite in meaning to the word given. Moist
A Parched
B Dry
C Hard
D Crisp
The essential "basic " ingredient in the "creation " of a thunderstorm is "a warm" moist "unstable" atmosphere .
A basic
B creation
C a warm
D unstable
আদ্র বাতাসের সংস্পর্শে ক্যালশিয়াম কার্বাইড নিম্নের কোন যৌগটি উৎপন্ন করে? (Which of the following compound is produced when calcium carbide gets contact with moist air?)
A Ethene
B Ethane
C Ethyne
D Ethanal

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