This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Heat Rejection and Cooling”. 1. Why is radiator provided? a) To cool the jacket water b) To pressurize the cooling water c) To provide additional water flow d) To cool the external surface of the engine 2. Why is thermostat used? a) … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Conventional Fuels”. 1. How are hydrocarbons decomposed into smaller hydrocarbons? a) By reforming b) By refining c) By cracking d) By polymerization 2. For SI engines which fuels are preferred? a) Aromatics b) Paraffin c) Olefins d) Napthenes 3. For CI engines … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Charging System”. 1. Which component in the DC generator produces a magnetic field? a) Stator b) Commutator c) Armature d) Carbon brushes 2. Which component in alternator produces a magnetic field? a) Frame b) Stator c) Regulator d) Rotor 3. Why is … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Storage Batteries”. 1. What is the colour of a positive plate of a lead-acid battery? a) White b) Grey c) White d) Brown 2. What gets deposited on the plates of a discharged lead-acid battery? a) PbO2 b) Pb2O4 c) Pb d) … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Nonconventional Engines”. 1. What is a dual fuel engine? a) The engine which uses gaseous and liquid fuel b) The engine which uses two liquid fuels c) The engine which uses two gaseous fuels d) The engine which uses one liquid and … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Measurements and Testing”. 1. To which of the following Morse test is applicable? a) Single-cylinder SI engines b) Single-cylinder CI engines c) Multi-cylinder CI engines d) Single and multi-cylinder SI and CI engines 2. For which of the following the Chemiluminescence analyzer … Read more
This set of Automobile Engineering Questions and Answers for Aptitude test focuses on “Performance Parameters and Characteristics”. 1. Which of the following is correct? a) Thermal efficiency varies directly as specific fuel consumption b) Thermal efficiency varies inversely as specific fuel consumption c) Thermal efficiency varies as root as specific fuel consumption d) Thermal efficiency … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Engine Electronics”. 1. Which of the following is the knock sensor? a) Flap type sensor b) Thermocouples c) Thermistors d) Piezoelectric pickup 2. What is the use of the lambda sensors in the catalytic converter? a) To keep excess air ratio within … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Vehicles and Powertrain”. 1. What is running resistance of the vehicle? a) Rolling resistance b) Aerodynamic resistance c) Sum of rolling and aerodynamic resistance d) Traction force 2. Suppose the road gradient is G = 10%. What is the corresponding angle (approximate … Read more
This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Engine Emissions”. 1. Which of the following is one of the major exhaust emissions from CI engines compared to SI engines? a) Oxides of nitrogen b) Particulates c) CO and CO2 d) Unburnt hydrocarbon 2. Which of the following causes the photochemical … Read more
