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 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
$$707$$
3
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
$$n+k$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+1
-0.3
The inlet angle of runner blades of a Francis turbine is $${90^0}.$$ The blades are so shaped that the tangential component of velocity at blade outlet is zero. The flow velocity remains constant throughout the blade passage and is equal to half of the blade velocity at runner inlet. The blade efficiency of the runner is
A
$${25^0}.$$
B
$${50^0}.$$
C
$${80^0}.$$
D
$${89^0}.$$
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12