This set of Rocket Propulsion MCQs focuses on “Liquid Propellant Rocket Engine – Flow and Pressure Balance”. 1. The oxidiser flow (mo) through the gas generator is ____________ if its flow rate through the pump is 10 kg/s and through the thrust chamber is 5 kg/s. a) 5 kg/s b) 15 kg/s c) 20 kg/s … Read more
This set of Rocket Propulsion Quiz focuses on “Liquid Propellant Rocket Engine – Turbopump Feed Systems and Engine Cycles”. 1. In turbopump feed systems, the pressurization of the propellants is done by ____________ and they are driven by ____________ a) turbines; pumps b) pumps; turbines c) pumps; pumps d) turbines; turbines 2. In turbopump feed … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Liquid Propellant Rocket Engine – Tank Pressurization”. 1. Tank pressure for the pressure feed system is between ___________ and __________ a) 100 psi; 2000 psi b) 200 psi; 1800 psi c) 300 psi; 2400 psi d) 800 psi; 3000 psi 2. Which … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Liquid Propellant Rocket Engine – Propellant Tanks”. 1. Which of the following materials of the propellant tank requires a thin inner liner of metal to avoid leakage? a) Titanium b) Aluminum c) Stainless steel d) Fiber-reinforced plastics 2. What is ullage? a) … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Liquid Propellant Rocket Engine – Gas Pressure Feed Systems”. 1. Which of the following is not a part of a simple pressurized feed system? a) High pressure tank b) Gas starting valve c) Pressure regulator d) Ignitor 2. _____ is used for … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Liquid Propellants”. 1. What kind of propulsion is used for trajectory adjustments and attitude corrections? a) Boosting propulsion b) Auxiliary propulsion c) Sustaining propulsion d) Cryogenic propulsion 2. How are liquid rocket engines classified on the basis of their feed system? a) … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers focuses on “Chemical Rocket Propellant – Results of Thermochemical Calculations”. 1. Dissociation of the reaction products __________ with the rise in the chamber temperature and _________ with the rise in chamber pressure of a chemical rocket engine. a) increases, increases b) decreases, increases c) decreases, … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Chemical Rocket Propellant – Nozzle Expansion Processes Analysis”. 1. Which of the following is not true for an ideal expansion in the nozzle? a) Adiabatic, reversible expansion b) Drop in static temperature and pressure c) Drop in stagnation temperature and pressure d) … Read more
This set of Rocket Propulsion Interview Questions and Answers for Experienced people focuses on “Chemical Rocket Propellant – Analysis of Chamber or Motor Case Conditions”. 1. The heat created by the combustion in the thrust chamber of a chemical rocket engine equals the change in enthalpy of the gases. a) True b) False 2. If … Read more
This set of Rocket Propulsion written test Questions & Answers focuses on “Chemical Rocket Propellant – Background and Fundamentals”. 1. Consider a mixture of three gases a, b and c at equilibrium. If the individual gas components have pressures equal to Pa, Pb and Pc, determine the total pressure P of the mixture of gases. … Read more
