1
GATE EE 2009
+2
-0.6
Match the items in List-$$I$$ (Type of transmission line) with the items in List-$$II$$ (Type of distance relay preferred) and select the correct answer using the codes below the lists.

List-$$I$$
$$A.$$ Short Line
$$B.$$ Mesium Line
$$C.$$ Long Line

List-$$II$$
$$1.$$ Ohm Relay
$$2.$$ Reactance Relay
$$3.$$ Mho Relay

A
$$A = 2,\,\,B = 1,\,\,C = 3$$
B
$$A = 3,\,\,B = 2,\,\,C = 1$$
C
$$A = 1,\,\,B = 2,\,\,C = 3$$
D
$$A = 1,\,\,B = 3,\,\,C = 2$$
2
GATE EE 2009
+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
+2
-0.6
For the $${Y_{bus}}$$ matrix of a $$4$$-bus system given in per unit, the buses having shunt elements are $${Y_{BUS}} = j\left[ {\matrix{ { - 5} & 2 & {2.5} & 0 \cr 2 & { - 10} & {2.5} & 4 \cr {2.5} & {2.5} & { - 9} & 4 \cr 0 & 4 & 4 & { - 8} \cr } } \right]$$\$
A
$$3$$ and $$4$$
B
$$2$$ and $$3$$
C
$$1$$ and $$2$$
D
$$1,2$$ and $$4$$
4
GATE EE 2009
+2
-0.6
A cascade of 3 Linear Time Invariant systems is casual and unstable. From this, we conclude that
A
each system in the cascade is individually casual and unstable
B
at least one system is unstable and atleast one system is casual
C
at least one system is casual and all systems are unstable
D
the majority are unstable and the majority are casual
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