1
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjustable vanes is
A
Kaplan
B
Francis
C
Pelton
D
Impeller
2
GATE EE 2002
MCQ (Single Correct Answer)
+1
-0.3
Consider a power system with three identical generators. The transmission losses are negligible. One generator ($$G1$$) has a speed governor which maintains its speed constant at the rated value, while the other generators ($$G2$$ and $$G3$$) have governors with a droop of $$5$$%. If the load of the system is increased, then in steady state.
A
Generation of $$G2$$ and $$G3$$ is increased equally while generation of $$G1$$ is unchanged.
B
Generation of $$G1$$ alone is increased while generation of $$G2$$ and $$G3$$ is unchanged.
C
Generation of $$G1, G2$$ and $$G3$$ is increased equally.
D
Generation of $$G1, G2$$ and $$G3$$ is increased in the ratio $$0.5:25:0.25.$$
3
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
In a thermal power plant, the feed water coming to the economiser is heated using
A
H.P steam
B
L.P steam
C
Direct heat in the furnance
D
Flue gases.
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Which material is used in controlling chain reaction in a nuclear reactor?
A
Thorium
B
Heavy water
C
Boron
D
Beryllium
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