This set of Hydraulic Machines Interview Questions and Answers for Experienced people focuses on “Air Lift Pump and Gear Wheel Pump – 2”. 1. A gear pump uses ___________ a) Petrochemical pumps b) Meshing of gears c) Froth pumps d) Airlift pumps 2. A pump that has low suction and moderate discharge of liquid is … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Air Lift Pump and Gear Wheel Pump – 1”. 1. A pump that has low suction and moderate discharge is called _______ a) Froth pumps b) Air lift pumps c) Reciprocating pumps d) Centrifugal pumps 2. Turbomachines work under ________ a) Newtons … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Hydraulic Lift and Hydraulic Crane”. 1. In a hydraulic lift ______ is fixed on the crown of the sliding ram where the carried load is located. a) Cage b) Wire rope c) Pulleys d) Jiggers 2. When fluid is subjected to _______ … Read more
This set of Hydraulic Machines online quiz focuses on “Hydraulic Intensifier and Hydraulic Ram”. 1. A __________ is a hydraulic machine for converting hydraulic power at low pressure into a reduced volume at higher pressure. a) Hydraulic Ram b) Hydraulic crane c) Hydraulic Intensifier d) Hydraulic accumulator 2. If the diameters of the two pistons … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Hydraulic Press and Accumulator”. 1. The hydraulic press is also known as _________ press. a) Pascal b) Toricelli c) Bernouille d) Bramah 2. The underlying principle behind a hydraulic press is based on ______ principle. a) Bramah’s b) Pascal’s c) Stoke’s d) … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Air Vessels”. 1. A pressure vessel is used to hold _______ a) Air b) Gases c) Molecules d) Solids 2. Why do we need a maximum safe operating pressure? a) Pressure vessel might explode b) Temperature increase needs to be controlled c) … Read more
This set of Hydraulic Machines Question Bank focuses on “Slip of Reciprocating Pump”. 1. Internal breakage in a pump mainly takes place when ________ a) Discharge pressure is increased b) Temperature is increased c) Heat leads to expansion d) Corrosion takes place 2. During internal breakage, output power ________ a) Increases b) Decreases c) Remains … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Double Acting Pumps”. 1. When a cylinder has inlet and outlet ports at each end, then it is called as __________ a) Double acting b) Air lift pumps c) Reciprocating pumps d) Centrifugal pumps 2. Turbomachines work under ________ a) Newtons first … Read more
This set of Hydraulic Machines online test focuses on “Work done by Reciprocating Pumps”. 1. Rotary pumps are commonly used to circulate________ a) Lube oils b) Petroleum c) Diesel d) Water 2. Reciprocating pump is divided into how many types, based on its cylinders? a) 0 b) 5 c) 2 d) 3 3. How many … Read more
This set of Hydraulic Machines Multiple Choice Questions & Answers (MCQs) focuses on “Discharge of Reciprocating Pumps”. 1. In a positive displacement pump, what gets displaced? a) Fluid b) Volume c) Pressure d) Temperature 2. What happens to the reciprocating pump when left untouched? a) Efficiency decreases b) Wear and tear c) Surface expansion d) … Read more
