1
GATE ME 2013
MCQ (Single Correct Answer)
+1
-0.3
In order to have maximum power from a Pelton turbine, the bucket speed must be
A
equal to the jet speed.
B
equal to half of the jet speed.
C
equal to twice the jet speed.
D
independent of the jet speed.
2
GATE ME 2010
MCQ (Single Correct Answer)
+1
-0.3
A phenomenon is modeled using $$n$$ dimensional variables with $$k$$ primary dimensions. The number of non-dimensional variables is
A
$$k$$
B
$$n$$
C
$$n-k$$
D
$$n+k$$
3
GATE ME 2010
MCQ (Single Correct Answer)
+1
-0.3
A hydraulic turbine develops $$1000$$ $$kW$$ power for a head of $$40$$ $$m.$$ If the head is reduced to $$20$$ $$m,$$ the power developed (in $$kW$$) is
A
$$177$$
B
$$354$$
C
$$500$$
D
$$707$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+1
-0.3
A model of a hydraulic turbine is tested at a head of $$1/{4^{th}}$$ of that under which the full scale turbine works. The diameter of the model is half of that of the full scale turbine. If $$N$$ is the $$RPM$$ of the full scale turbine, then the $$RPM$$ of the model will be
A
$$N/4$$
B
$$N/2$$
C
$$N$$
D
$$2N$$
GATE ME Subjects
Turbo Machinery
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Graduate Aptitude Test in Engineering
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