Related Questions

The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
A Less
B More
C Equal
D May be less or more depending on temperature
An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a
A Boiler
B Heat exchanger
C Recuperator
D Regenerator
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
A Brighten the faint images
B Remove metallic silver
C Convert silver chloride to silver
D Remove unexposed silver halide
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
A Plane
B Curved
C Ribbed
D Either A or B
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
A Additives
B Antagonism
C Synergism
D Independent
For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
A 2E
B 3E
C 4E
D 6E
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
The computer has dramatically affected — photographic lenses are constructed.
A is the way
B that the way
C which way
D the way

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