This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Nozzle Alignment”. 1. What will happen when the thrust line doesn’t intersect the center of mass of a flying vehicle? a) The vehicle experiences a centripetal acceleration b) The vehicle drops in altitude c) The vehicle trajectory becomes zigzag d) The vehicle … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Nozzle Theory – Four Performance Parameters”. 1. How are delivered performance values estimated for a propulsion system? a) Static tests or flight tests of full-scale models b) Dimensional analysis and similitude of models c) A theoretical analysis using the known relations d) … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Real Nozzles”. 1. For an asymmetric nozzle section of diameter 12 cm, determine the average value of flow velocity if the velocity distribution is of the form v2 = (2r – 3r2) x 104 m/s, where r denotes the radial location in … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Nozzle Configurations”. 1. Which of the following is not a reason why the wall surface throughout the nozzle is smooth? a) Minimize friction b) Minimize radiation absorption c) Minimize convective heat transfer d) Minimize flow velocity 2. Which of the following is … Read more
This set of Rocket Propulsion Questions and Answers for Freshers focuses on “Nozzle Theory – Isentropic Flow Through Nozzles”. 1. Which of the following will happen if there is a flow obstruction in the nozzle inner wall? a) Local conversion of kinetic to thermal energy b) Local drop in pressure around the region of obstruction … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Summary of Thermodynamic Relations”. 1. Which of the following comprises of internal thermal energy and flow work? a) Entropy b) Enthalpy c) Kinetic energy d) Potential energy 2. In which of the following cases can enthalpy be expressed as a function of … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Ideal Rocket”. 1. For an ideal rocket, what should be the nature of the working substance? a) Homogeneous b) Heterogeneous c) Anisotropic d) Amorphous 2. What is the allowable amount of heat (in % of total available energy) that can be transferred … Read more
This set of Rocket Propulsion Interview Questions and Answers focuses on “Definitions and Fundamentals – Typical Performance Values”. 1. Which of the following is not true about chemical rockets? a) Relatively low values of specific impulse b) Relatively light machinery c) Very high thrust capability d) Very low specific power 2. Which of the following … Read more
This set of Rocket Propulsion Multiple Choice Questions & Answers (MCQs) focuses on “Definitions and Fundamentals – Energy and Efficiencies”. 1. Which form of energy is most useful for propulsion? a) The kinetic energy of ejected matter b) The chemical energy of combustion of propellants c) The potential energy of the rocket at some altitude … Read more
This set of Rocket Propulsion Questions and Answers for Campus interviews focuses on “Definitions and Fundamentals – Exhaust Velocity”. 1. A rocket produces a total thrust of 20,000 N. If the mass flow rate of propellants is 16 kg/s, what will be effective exhaust velocity? a) 1250 m/s b) 2500 m/s c) 625 m/s d) … Read more
