This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Heads and Efficiencies in Centrifugal Pumps”. 1. What is the unit of flow rate? a) kg.m b) kg/m c) m3/s d) /s 2. With the increase in the flow rate, efficiency ______ a) Decreases b) Increases c) Remains same d) Independent 3. … Read more
This set of Hydraulic Machines MCQs focuses on “Work done by Centrifugal Pump”. 1. The fluid gains _________ while passing through the impeller. a) Velocity b) Pressure c) Temperature d) Velocity and pressure 2. What is the shape of the diffuser in the centrifugal pump? a) Round b) Dough nut c) Rectangle d) Cylindrical 3. … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Main Parts of Centrifugal Pumps”. 1. A gear pump uses ___________ a) Petrochemical pumps b) Meshing of gears c) Froth pumps d) Airlift pumps 2. The fundamental significance of all the turbomachinery is _______ a) Conservation of momentum b) Conservation of mass … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Centrifugal Pumps”. 1. Centrifugal pump is a_________ a) Turbomachinery b) Flow regulating device c) Drafting device d) Intercooling device 2. Turbomachines work under ________ a) Newtons first law b) Newtons second law c) Newtons third law d) Kepler’s law 3. The main … Read more
This set of Hydraulic Machines Questions and Answers for Experienced people focuses on “Governing of Turbines – 2”. 1. In nozzle governing, the flow rate of steam is regulated by _________ a) Nozzles b) Pumping c) Drafting d) Intercooling 2. The flow rate of steam is controlled by regulating the_________ a) Steam b) Pressure c) … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Governing of Turbines – 1”. 1. In nozzle governing, the flow rate of steam is regulated by _________ a) Nozzles b) Pumping c) Drafting d) Intercooling 2. The flow rate of steam is controlled by regulating the _________ a) Steam b) Pressure … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Constant Speed Curves”. 1. Constant speed curves are also called as _______ a) Main characteristic curves b) Turbine curves c) Tail race curves d) Impeller curves 2. Constant speed curve is denoted as _____ a) T b) V c) c d) V … Read more
This set of Hydraulic Machines Assessment Questions and Answers focuses on “Constant Head Curves”. 1. Constant head curves are also called as _______ a) Head race curves b) Tail race curves c) Main characteristic curves d) Impeller curves 2. The speed of the turbine in a constant head curve is varied by __________ a) Temperature … Read more
This set of Hydraulic Machines Problems focuses on “Unit Quantities Usage”. 1. Which among the following is not a unit quantity of turbine? a) Unit speed b) Unit discharge c) Unit power d) Unit temperature 2. What does DMU stand for? a) Density matter usage b) Direct material usage c) Density material usage d) Depth … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Significance of Specific Speed”. 1. Specific speed is the speed of the turbine which is similar to its ________ a) Temperature difference b) Pressure difference c) Aspect ratio d) Speed of rotor 2. Specific speeds are used in pumps to determine ________ … Read more
