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Control Systems
The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by
B - N + 1.
B + N.
N - 2B - 1.
N - B + 1.
B - N + 1.
B + N.
N - 2B - 1.
N - B + 1.
Answer
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Related Question
Control Systems
In signal flow graph output node is node having only------------
both 1 and 2
incoming branches
outgoing branches
None of these
both 1 and 2
incoming branches
outgoing branches
None of these
Answer
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Control Systems
The characteristic equation has the following roots for over damped stable system?
-2,2
-2±j4
-2,-2
-2,-4
-2,2
-2±j4
-2,-2
-2,-4
Answer
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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?
1
0
3/5
1/4
1
0
3/5
1/4
Answer
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Control Systems
The device necessarily used for automatic temperature control in a furnace is
Thermostat.
Thermocouple.
Auto-transformer.
Any of above.
Thermostat.
Thermocouple.
Auto-transformer.
Any of above.
Answer
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Control Systems
A proportional plus integral controller
it increases rise time
has high sensitivity
increases the stability of the system
both 2 and 3
it increases rise time
has high sensitivity
increases the stability of the system
both 2 and 3
Answer
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