1
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
The set-up in the figure is used to measure resistance $$R$$. The ammeter and voltmeter resistances are $$0.01$$$$\Omega $$ and $$2000$$$$\Omega $$, respectively. Their readings are $$2A$$ and $$180$$ $$V$$, respectively, giving a measured resistance of $$90$$ $$\Omega $$. The percentage error in the measurement is GATE EE 2005 Electrical and Electronics Measurement - Error Analysis and Measurement Question 3 English
A
$$2.25$$%
B
$$2.35$$%
C
$$4.5$$ %
D
$$4.71$$%
2
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
A $$1000$$ $$kVA,$$ $$6.6$$ $$kV,$$ $$3$$-phase star connected cylindrical pole synchronous generator has a synchronous reactance of $$20\Omega .$$ Neglect the armature resistance and consider operation at full load and unity power factor.

The power angle is close to

A
$$13.9$$ degrees
B
$$18.3$$ degrees
C
$$24.6$$ degrees
D
$$33.0$$ degrees
3
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
A $$1000$$ $$kVA,$$ $$6.6$$ $$kV,$$ $$3$$-phase star connected cylindrical pole synchronous generator has a synchronous reactance of $$20\Omega .$$ Neglect the armature resistance and consider operation at full load and unity power factor.

The induced $$emf$$ is close to (line to line)

A
$$5.5$$ $$kV$$
B
$$7.2$$ $$kV$$
C
$$9.6$$ $$kV$$
D
$$12.5$$ $$kV$$
4
GATE EE 2005
MCQ (Single Correct Answer)
+1
-0.3
For an induction motor, operating at a slip 's', the ratio of gross power output to air gap power is equal to:
A
$$\left(1-s\right)^2$$
B
$$\left(1-s\right)$$
C
$$\sqrt{\left(1-s\right)}$$
D
$$\left(1-\sqrt s\right)$$
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