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List any six critical factors that must be considered while selecting a site for a hydropower plant.
Classify hydropower plants based on the operating head of water. Briefly explain the characteristic features of a low-head power plant.
Derive an expression for the force exerted, work done, and efficiency of a jet striking a series of moving curved vanes mounted on the periphery of a wheel. Prove that the maximum efficiency is 50 % for a series of flat vanes.
State four major advantages and four disadvantages of a hydropower plant in the context of power generation.
A jet of water of diameter 50 mm, having a velocity of 25 m/s strikes a single curved vane which is moving with a velocity of 10 m/s in the exact direction of the jet. The jet strikes the vane symmetrically at the center and is deflected through an angle of 120°. Calculate:
A Pelton wheel is to be designed for the following specifications: Shaft power = 11,772 kW; Net head = 380 m; Speed = 750 rpm; Overall efficiency = 86 %. The jet ratio is not to exceed 6. Assuming the coefficient of velocity Cv = 0.985 and the speed ratio Ku = 0.45, determine:
Briefly explain why the governing of hydraulic turbines is necessary and name the governing mechanism typically used for a Pelton wheel.
Briefly explain the primary function of a draft tube in a reaction turbine. Why is it not used in an impulse turbine?
A Kaplan turbine runner is to be designed to develop 9100 kW of shaft power. The net available head is 5.6 m. The speed ratio is 2.09 and the flow ratio is 0.68. The overall efficiency is 86 % and the diameter of the boss is one-third the diameter of the runner. Calculate:
Define a centrifugal pump. Classify centrifugal pumps based on the type of casing and the working head.
A single-acting reciprocating pump has a plunger diameter of 250 mm and a stroke length of 350 mm. The speed of the pump is 60 rpm and it delivers 16.5 liters/s of water. The suction and delivery heads are 3.5 m and 20 m respectively. Find:
List the essential components of a reciprocating pump and state the primary function of an air vessel.
What is meant by the 'priming' of a centrifugal pump? State why it is an essential step before starting the pump.
Clearly differentiate between the phenomena of 'Surging' and 'Choking' in a centrifugal compressor.
Enlist the essential components of a centrifugal compressor and briefly state the function of each.
Draw the inlet and outlet velocity vector diagrams for the impeller of a centrifugal compressor featuring radial vanes. Apply the principle of angular momentum to derive the expression for the theoretical head (Euler's head) developed by the compressor. Briefly explain how the 'slip factor' modifies this ideal theoretical head.
Define the aerodynamic terms 'Lift' and 'Drag' with respect to the aerofoil blading used in an axial flow compressor.
A two-stage reciprocating air compressor operates between suction pressure P1 and delivery pressure P3. Derive the mathematical condition required to achieve minimum work input per cycle, assuming complete and perfect intercooling. Prove that under this condition, the intermediate pressure is the geometric mean of the suction and delivery pressures [P2 = √(P1 x P3)].
Explain the working principle of a hydraulic ram with the help of a neat, labeled sketch.
Describe the mechanism by which a hydraulic intensifier increases the pressure intensity of a fluid from a low-pressure source.
What is the primary function of a hydraulic accumulator in a fluid power system? Draw a neat sketch of a weight-loaded hydraulic accumulator, explain its working mechanism, and state its practical applications.
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
BE Mechanical
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Official Gujarat Technological University (GTU) examination paper for Fluid Power Engineering (Summer 2026, B.E. · Mechanical Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
2151903 Fluid Power Engineering
Official GTU PDF · Summer 2026
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