Steam Boilers, Engines, Nozzles & Turbines Mcqs

Q.  Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?

a. bismuth
b. copper
c. aluminium
d. nickel
e. iron


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The economizer is used in boilers to _______________________?
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MCQs:  02 content in atmospheric air on volume basis is___________________?
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MCQs:  Primary air is the air used to__________________?
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MCQs:  Presence of moisture in fuel oil would____________________?
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MCQs:  Water and sediment in fuel oil can be removed by _______________________?
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MCQs:  Secondary air is the used to_________________?
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MCQs:  Caking coals are those which __________________________?
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MCQs:  The ultimate analysis of fuel lists _____________________?
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MCQs:  Tertiary air is the air used to____________________?
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MCQs:  Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value ___________________?
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MCQs:  Incomplete combustion can be best judged by__________________?
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MCQs:  Pulverized fuel is used for___________________?
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MCQs:  Evaporative capacity of boiler is expressed as____________________?
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MCQs:  The balanced draft furnace is one using _________________________?
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MCQs:  Maximum energy loss in a boiler occurs due to _______________________?
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MCQs:  A supercritical boiler is one that operates above the pressure and temperature of following values_____________________?
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MCQs:  The steam temperature with increase in load in case of a boiler fitted with radiation super heater________________?
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MCQs:  The relative heat absorption for successively added equal areas of boiler convection heating surfaces____________________?
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MCQs:  Fire tube boilers are limited to a maximum design working pressure of ____________________?
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MCQs:  In water wall furnace, the heat is transferred to the water-walls by _________________?
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