Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?

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Colour comparator is used to measure the___________________?

A. pH value B. Electrode potential C. Colour intensity D. None of these...

Good design of the casing of a centrifugal pump aims at minimising the __________________________?

A. Cavitation B. Frictional losses C. Kinetic energy loss D. Static head...

Heating of ferromagnetic materials to a temperature above Curie temperature makes it ________________________?

A. Insulator for heat & electricity transmission B. Ferritic C. Behave like paramagnetic materials D. Superconductor...

Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?

A. 3 B. 5 C. 0.5 D. 1.5...

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_____________________?

A. 90% tungsten carbide and 10% cobalt B. 70% aluminium oxide & 30% silica C. 30% nickel, 15% chromium & 55% tungsten D. 65% tungsten & 35% zirconium...