MCQ

1. Which of the following is not a type of automobile emission?a) Hydrocarbons (HC)b) Carbon Dioxide (CO2)c) Nitrous Oxide (N2O)d) Sulfur Dioxide (SO2) Answer: b) … Read more

1. What is the primary component of biogas?a) Methaneb) Carbon dioxidec) Hydrogend) Oxygen Answer: a) Methane Explanation: Biogas primarily consists of methane (CH4), which is … Read more

1. Which of the following is a characteristic of vegetable oils used in automobile engines? a) Low viscosityb) High cetane numberc) Low flash pointd) High … Read more

1. Which of the following is a gaseous alternative fuel for automobiles?a) Dieselb) Biodieselc) LPGd) Ethanol Answer: c) LPGExplanation: LPG, or liquefied petroleum gas, is … Read more

1. Which type of brake involves a flexible band wrapped around a rotating drum?a) Band brakeb) Block brakec) Internal shoe braked) External shoe brake Answer: … Read more

1. Which criterion is used to determine frictional torque in pivots and collars when considering uniform pressure and wear rate? a) Coulomb’s Lawb) Amontons’ Lawc) … Read more

1. What is the primary purpose of balancing rotating masses in machines? a) To reduce friction in bearingsb) To minimize energy consumptionc) To prevent excessive … Read more

1. Which of the following is NOT a type of governor mechanism?a) Centrifugal governorb) Inertia governorc) Magnetic governord) Gravity governor Answer: c) Magnetic governorExplanation: Magnetic … Read more

1. What is the relationship between the displacement, velocity, and acceleration of a piston in an engine?a) Displacement and velocity are inversely proportional, while acceleration … Read more

1. What is single conditioning in the context of data acquisition? a) The process of conditioning only one type of signalb) Conditioning a single sensor … Read more