Related Questions

A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
A Is less liable to spontaneous combustion on storage
B Is more difficult to ignite and produces a shorter flame
C Requires smaller combustion space and less secondary air
D None of these
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.
A Conical
B Flat
C Floating
D Fixed
The most volatile of the given liquids is
A Ether
B Liquid
C Liquid NH3
D Liquid He
Separation of two volatile liquids by distillation makes use of their
A Selectivity
B Relative volatility
C Solubility
D Density difference
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?
A N2
B He
C CO2
D H2
Which of the following is unsuitable fuel for producer gas manufacture?
A Coke
B Anthracite
C Coal having low fusion point of its ash
D Coal having high fusion point of its ash
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is
A Backmix reactor
B Plug flow reactor
C Series of CSTR
D PFR in series
A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing . How many to 1000 units produced will be rejected ?
A 4
B 40
C 400
D 140
Wire-wound resistors are unsuitable for use at high frequencies because they
A Create more electrical noise
B Are likely to melt under excessive eddy current heat
C Consume more power
D Exhibit unwanted inductive and capacitive effects
Black cotton soil is unsuitable for foundations because its
A Bearing capacity is low
B Permeability is uncertain
C Particles are cohesive
D Property to undergo a volumetric change due to variation of moisture content

Next steps