Questions
Questions
Questions
2007
9.Which oil when gets drained leads to closure of Turbine stop valves?
a. Secondary oil.
b. Trip oil.
c. Start up oil.
10.What is the unit of specific oil?
a. ml / kg of steam.
b. ml / Kwhr.
c. ml / kg of coal.
11.Which parameter decides Main steam temperature before opening KWU Turbine stop
Valves?
a. HP Turbine shaft temperature (Tm).
b. HP Turbine control valve temperature (Tm).
c. HP Turbine casing temperature (Tm).
13.What is ABT?
a. Audit of Boiler and Turbine.
b. Auxiliary Boiler Temperature.
c. Availability Based Tariff.
15.What is BLI?
a. Coal.flow.
b. Steam flow.
c. Ash flow.
16.What is the parameter, which decides main steam temperature before rolling the Turbine to rated
speed?
a. HP Stop valve temperature (Tm).
b. HP Turbine Casing temperature (Tm).
c. HP Turbine shaft temperature (Tm).
17.Throttling the delivery of a pump by throttling the discharge valve, results in increased -------
a. Head
b. Power
c. Both a & b.
19.The Heat input required to for generating one kilowatt hour of electrical output is called as ----
a. Heat value
b. Calorific value
d. Heat rate
20.Which of the voltage is not available for Indian distribution system?
a. 33 KV
b. 280 V
c. 433 V
d. 11 KV
22.If the distribution voltage is raised from 11 KV to 33 KV, the line loss would be lower by a factor
a. 1/9
b. 9
d. 3
25.For achieving low specific energy consumption, Centrifugal air compressors are used for------
a. Part load operation
b. Base load operation
c. No load operation
26. .For achieving low specific energy consumption, two stage Reciprocating air compressors are used
for----
-----
a. Base load operation
b. No load operation
c. Part load operation
41.Toxic pollutants, Oxides of nitrogen are produced when nitrogen combine with oxygen at---
a. Higher temperature
b. Higher air flow
c. Higher air pressure
60.Advantage of Film Fill pack cooling tower over Splash bar cooling tower is--------
a. Fewer requirement of air
b. Fewer requirement of pumping head
c. Both a & b
61. Thermal efficiency of Gas Turbine & Steam Turbine power plants is in the order of-----
a. 33-36%
b. 40-46%
c. 43-45%
68. The standard output voltage of 210 mw siemens generator in our plant is
a) 220 KV
b) 15.85 KV
c) 15.50 KV
d) 15.75 KV
75. How many no of headers are in Super Heater System of 210 MW CE Boiler-
a) 12
b) 14
c) 20
d) 10
87. _________ is useful for prevention of uneven heating and cooling of turbine shafts during stating and
shutdown.
a. Barring gear b. supply gear c. Worm Shaft d. Temp. gauge
98) What is used during filling and removal of H2 gas from generator
a) Air b) vacuum c) CO2
99) ________ protection comes into operation only if the breaker fails to trip
a) LBB b) ABB c) Differential
100) ___________protection is the primary protection for bus bar against both phase and earth faults.
102) Conductors are made _______ for reducing the phenomenon of Corona.
a) hollow b) thick c) thin
B S RAO
SS(OG)