Question
a.
efficiency of the boiler
b.
efficiency of the chimney
c.
efficiency of the fan
d.
power of the boiler
Posted under Mechanical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. The ratio of the energy required to produce the artificial draught (expressed in metres head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of...
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The function of a piston in a steam engine is
View solution
Q. The high steam and low water safety valve is not used in
View solution
Q. In a Woolf type compound engine, the high pressure and low pressure cylinders
View solution
Q. The actual power generated in the engine cylinder is called
View solution
Q. In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as
View solution
Q. A condenser maintains a low pressure (below atmospheric) so as to obtain the maximum possible energy from steam and thus to secure a high efficiency.
View solution
Q. The amount of water evaporated from and at 100° C into dry and saturated steam is called evaporative capacity of a boiler.
View solution
Q. The difference between the atmospheric pressure and the absolute pressure is known as vacuum in a condenser.
View solution
Q. In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is
View solution
Q. In a boiler, the heat is lost
View solution
Q. The crown of the fire box is made hemispherical in order to resist intense heat in the fire box.
View solution
Q. For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be
View solution
Q. Water tube boilers are
View solution
Q. Which of the following is correct ? (where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)
View solution
Q. The working pressure range for a La-Mont boiler is
View solution
Q. The draught in locomotive boilers is produced by a
View solution
Q. The ratio of heat actually used in producing the steam to the heat liberated in the furnace is known as equivalent evaporation from and at 100° C.
View solution
Q. There is about 15 to 20% of coal saving when an economiser is used in a boiler.
View solution
Q. The principal function of a stop valve is to
View solution
Q. The length of Cornish boiler varies from
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
