A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Power Plant Engineering }



344. If high pressure heaters in a thermal power plant operating on a regenerative cycle are cut off, then fuel input to boiler will
A.Increase
B.Decrease
C.Remain unaffected
D.May increase/decrease depending on number of heaters cut off
Discuss in Forum

345. The heat rate of a turbine operating at part loads by throttle governing as compared to full loads
A.Decreases
B.Increases
C.Remains unaffected
D.May increase/decrease depending on extent of deviation of load from full load
Discuss in Forum

346. The auxiliary consumption (i.e., power consumed by various equipment/devices required essentially for operation of power plant) in power plant is of the order of
A.2-5%
B.8-10%
C.10-15%
D.15-20 %
Discuss in Forum

347. The ratio of adiabatic heat drop to the heat supplied is known as
A.Rankine efficiency
B.Reheat factor
C.Stage efficiency
D.Internal efficiency
Discuss in Forum

348. Efficiency ratio is the ratio of
A.Useful heat drop to the total adiabatic heat drop
B.Cumulative heat drop to the adiabatic heat drop
C.Adiabatic heat drop to the heat supplied
D.Total adiabatic heat drop to useful heat drop
Discuss in Forum

349. The ratio of total useful heat drop to the total adiabatic heat drop is known as
A.Reheat factor
B.Both internal efficiency and efficiency ratio.
C.Efficiency ratio
D.Rankine efficiency
Discuss in Forum

350. In case of cross-compounding arrangement in steam turbines
A.The steam from one casing flows to other, the shafts of both being coupled in straight line
B.The steam in any casing enters in the middle and flows in both the directions
C.The steam from one casing flows to other, the shafts of both being in different planes
D.The steam flows from high pressure casing to intermediate pressure casing and then to low pressure casing, the 'shafts of all the three being coupled in one straight line
Discuss in Forum

Page 50 of 81

« 48 49  50  5152 »