1
GATE EE 2009
MCQ (Single Correct Answer)
+1
-0.3
An $$SCR$$ is considered to be a semi - controlled device because
A
it can be turned OFF but not ON with a gate pulse
B
it conducts only during one half - cycle of an alternating current wave
C
It can be turned ON but not OFF with a gate pulse
D
it can be turned ON only during one half - cycle of an alternating voltage wave
2
GATE EE 2009
MCQ (Single Correct Answer)
+1
-0.3
Out of the following plant categories
(i) Nuclear , (ii) Run-of-river, (iii) Pump Storage, (iv) Diesel
The base load power plants are
A
(i) and (ii)
B
(ii) and (iii)
C
(i), (ii) and (iv)
D
(i), (iii) and (iv)
3
GATE EE 2009
MCQ (Single Correct Answer)
+1
-0.3
For a fixed value of complex power flow in a transmission line having a sending end voltage $$V$$, the real power loss will be proportional to
A
$$V$$
B
$${V^2}$$
C
$${1 \over {{V^2}}}$$
D
$${1 \over V}$$
4
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
A $$500$$ $$MW,$$ $$21$$ $$kV,$$ $$50$$ $$Hz,$$ $$3$$-phase, $$2$$-pole synchronous generator having a rated $$p.f.=$$$$0.9,$$ has a moment of inertia $$\,\,27.5\,\, \times \,\,{10^3}\,\,kg\,\,{m^2}.\,\,$$ The inertia constant $$(H)$$ will be
A
$$2.44$$ s
B
$$2.71$$ s
C
$$4.88$$ s
D
$$5.42$$ s