Related Questions

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
A Decreases
B Increases
C Remains unchanged
D Increases exponentially
The metal whose electrical conductivity is more, is
A Copper
B Aluminium
C Silver
D Lead
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
A 48
B 32
C 24
D 18
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal
A Centrifugal
B Axial
C Reciprocation
D Electromagnetic
In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
A Friction zone
B Work-tool contact zone
C Shear zone
D None of these
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
A Drawing
B Squeezing
C Coining
D Planishing
Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.
A Electromagnetic
B Axial flow
C Diaphragm
D Reciprocating

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