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Month: January 2019

Lancashire ‘boiler is a__________________?

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

A. stationary fire tube boiler
B. stationary water tube boiler
C. water tube boiler with natural/forced circulation
D. mobile fire tube boiler
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

One kilowatt-hour energy is equivalent to ________________?

August 16, 2021January 29, 2019 by admin
One kilowatt-hour energy is equivalent to ________________?

A. 1000 J
B. 360 kJ
C. 3600 kJ
D. 3600 kW/sec
E. 1000 kJ

Categories Engines, Nozzles and Turbines, Steam Boilers

The First ever Cardiac Hospital in Gilgit Baltistan inaugurated on 30 Jan 2019 by_________??

August 16, 2021January 29, 2019 by admin
The First ever Cardiac Hospital in Gilgit Baltistan inaugurated on 30 Jan 2019 by_________??

A. Chief Minister Gilgit Baltistan
B. PM Imran Khan
C. Health Minister Gilgit Baltistan
D. None of these

Categories Pakistan Current Affairs MCQs

100% efficiency of a thermal cycle cannot be achieved because of __________________?

August 16, 2021January 29, 2019 by admin
100% efficiency of a thermal cycle cannot be achieved because of __________________?

A. frictional losses
B. it is not possible to achieve 0°K temperature
C. leakage
D. non-availability of ideal substance
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

The diameter of fire tube of Cornish boiler compared to its shell is__________________?

August 16, 2021January 29, 2019 by admin
The diameter of fire tube of Cornish boiler compared to its shell is__________________?

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

Categories Engines, Nozzles and Turbines, Steam Boilers

The change in internal energy in steam engines equals to__________________?

August 16, 2021January 29, 2019 by admin
The change in internal energy in steam engines equals to__________________?

A. work done during the rankine cycle ;
B. work done during compression.
C. work done during adiabatic expansion
D. change in enthalpy
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

Locomotive type’ boiler is__________________?

August 16, 2021January 29, 2019 by admin
Locomotive type’ boiler is__________________?

A. horizontal multitubular water tube boiler
B. water wall enclosed furnace type
C. vertical tubular fire tube type
D. horizontal multi-tubular fire tube type
E. none of the above types

Categories Engines, Nozzles and Turbines, Steam Boilers

Fire tube boilers are those in which__________________?

August 16, 2021January 29, 2019 by admin
Fire 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. forced circulation takes place
D. tubes are laid vertically
E. none of the above

Categories Engines, Nozzles and Turbines, Steam Boilers

The number of flue tubes in Lancashire boiler is_________________?

August 16, 2021January 29, 2019 by admin
The number of flue tubes in Lancashire boiler is_________________?

A. zero
B. one
C. two
D. four
E. many

Categories Engines, Nozzles and Turbines, Steam Boilers

Which of the following is a water tube boiler_________________?

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

A. locomotive boiler
B. Cochran boiler
C. Cornish boiler
D. Babcock and Wilcox boiler
E. Lancashire boiler

Categories Engines, Nozzles and Turbines, Steam Boilers
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