GATE ME 2003 | Rankine Cycle Question 28 | Thermodynamics

GATE ME 2003

MCQ (Single Correct Answer)

-0.3

Considering the variation of static pressure and absolute velocity in an impulse stream turbine, across one row of moving blades

both pressure and velocity decrease

pressure decreases but velocity increases

pressure remains constant, while velocity increases

pressure remains constant, while velocity decreases

GATE ME 2001

MCQ (Single Correct Answer)

-0.3

The Rateau turbine belongs to the category of

pressure compounded turbine

reaction turbine

velocity compounded turbine

radial flow turbine

GATE ME 2000

MCQ (Single Correct Answer)

-0.3

Which of the following is a pressure compounded turbine?

Parsons

Curtis

Rateau

all the three

GATE ME 1998

MCQ (Single Correct Answer)

-0.3

If $$\,\,{V_N}\,\,$$ and $$\alpha $$ are the nozzle exit velocity and nozzle angle in an impulse turbine, the optimum blade velocity is given by

$${V_N}\,\,\,\cos \,\,\,2\alpha $$

$${V_N}\,\,\,sin\,\,\,2\alpha $$

$${{{V_N}\,\,\,\cos \,\,\,\alpha } \over 2}$$

$${{{V_N}\,\,\,sin\,\,\,\alpha } \over 2}$$

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