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Nozzles and Turbines

The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?

August 16, 2021January 29, 2019 by admin
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?

A. one-half
B. one-third
C. one-fourth
D. one-fifth
E. two-fifth

Categories Engines, Nozzles and Turbines, Steam Boilers

Which of the following is steam dbal?

August 16, 2021January 29, 2019 by admin
Which of the following is steam dbal?

A. non-coking bituminous coal
B. brown coal
C. pulverised coal
D. coking bituminous coal
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

The high pressure boiler is oiie producing steam at a pressure more than_________________?

August 16, 2021January 29, 2019 by admin
The high pressure boiler is oiie producing steam at a pressure more than_________________?

A. atmospheric pressure
B. 5 kg/cm2
C. 10 kg/cm2
D. 40 kg/cm2
E. 75-80 kg/cm2

Categories Engines, Nozzles and Turbines, Steam Boilers

The biggest size of thermal power unit operating in India is ________________?

August 16, 2021January 29, 2019 by admin
The biggest size of thermal power unit operating in India is ________________?

A. 30 MW
B. 60 MW
C. 100 MW
D. 210 MW
E. 500 MW

Categories Engines, Nozzles and Turbines, Steam Boilers

The diameter of cylindrical shell of the Lancashire boiler is of the order of__________________?

August 16, 2021January 29, 2019 by admin
The diameter of cylindrical shell of the Lancashire boiler is of the order of__________________?

A. 1 tp 1.25m
B. 1 to 1.75 m
C. 2 to 4 m
D. 1.75 to 2.75 m
E. 2.25 to 4.5 m

Categories Engines, Nozzles and Turbines, Steam Boilers

Which of the following is a fire tube boiler________________?

August 16, 2021January 29, 2019 by admin
Which of the following is a fire tube boiler________________?

A. locomotive boiler
B. Babcock and Wilcox boiler
C. Stirling boiler.
D. all of the above
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?

August 16, 2021January 29, 2019 by admin
Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?

A. ash
B. volatile matter
C. moisture
D. hydrogen
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

Lancashire boiler is of____________________?

August 16, 2021January 29, 2019 by admin
Lancashire boiler is of____________________?

A. stationary<fire tube-type
B. horizontal type
C. natural cirulation type
D. internally fired type
E. all of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

Water tube boilers are those in which________________?

August 16, 2021January 29, 2019 by admin
Water tube boilers are those in which________________?

A. flue gases pass through tubes and water around it
B. water passes through the tubes and flue gases around it
C. work is done during adiabatic expansion
D. change in enthalpy
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

Steam engine operates on_________________?

August 16, 2021January 29, 2019 by admin
Steam engine operates on_________________?

A. carnot cycle
B. joule cycle
C. Stirling cycle
D. brayton cycle
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers
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