1
GATE ME 2006
MCQ (Single Correct Answer)
+1
-0.3
A horizontal shaft centrifugal pump lifts ware at 65°C. The suction nozzle is one meter below pump centerline. The pressure at this point equal $$200$$ $$kPa$$ gauge and velocity is $$3$$ $$m/s.$$ Steam tables show saturation pressure at $${65^0}C$$ is $$25$$ $$kPa,$$ and specific volume of the saturated liquid is $$0.001020$$$ $${m^3}/kg.$$ . The pump Net Positive suction Head ($$NPSH$$) in meters is GATE ME 2006 Turbo Machinery - Turbo Machinery Question 12 English
A
$$24$$
B
$$26$$
C
$$28$$
D
$$30$$
2
GATE ME 2006
MCQ (Single Correct Answer)
+1
-0.3
In a Pelton wheel, the bucket peripheral speed is $$10$$ $$m/s,$$ the water jet velocity is $$25$$ $$m/s$$ and volumetric flow rate of the jet is $$0.1{m^3}/s.$$ If the jet deflection angle is $${120^0}$$ and the flow is ideal, the owe developed is:
A
$$7.5$$ $$kW$$
B
$$15.0$$ $$kW$$
C
$$22.5$$ $$kW$$
D
$$37.5$$ $$kW$$
3
GATE ME 2004
MCQ (Single Correct Answer)
+1
-0.3
At a hydro electric power plant site, available head and flow rate are $$24.5$$ $$m$$ and $$10.1{m^3}/s$$ respectively. If the turbine to be installed is required to run at $$4.0$$ revolution per second ($$rps$$) with an overall efficiency of $$90\% $$, the suitable type of turbine for this site is _______________.
A
Francis
B
Kaplan
C
Pelton
D
Propeller
4
GATE ME 2004
MCQ (Single Correct Answer)
+1
-0.3
A centrifugal pump is required to pump water to an open water tank situated $$4$$ $$km$$ away from the location of the pump through a pipe of diameter $$0.2$$ $$m$$ having Darcy’s friction factor of $$0.01.$$ The average speed of water in the pipe is $$2$$ $$m/s.$$ if it is maintain a constant head of $$5$$ $$m$$ in the tank, neglecting other minor losses, the absolute discharge pressure at the pump exist is ______________
A
$$0.449$$ bar
B
$$5.503$$ bar
C
$$44.911$$ bar
D
$$55.203$$ bar
GATE ME Subjects
Turbo Machinery
EXAM MAP