Future Energy 0.0 / 5 ? Learning challengefuture energyFunNone Created by: CaitlinSmith16Created on: 16-11-14 16:32 What is the first stage of sequencing a four stroke engine? Intake 1 of 14 Why are internal combustion engines called 'four stroke engines'? There are four stages to the operation of the pistons 2 of 14 Name the three gases that contribute to air pollution. Carbon Dioxide, Sulphur Dioxide and Nitrogen Oxides 3 of 14 Name two substances found in the exhaust fumes of a car. Nitrogen dioxides and sulfur dioxides 4 of 14 What is the name given to carbon dioxide and methane, related to the effect they have on the temperature of the atmosphere? Greenhouse Effect 5 of 14 Whay are there not more battery-powered vehicles in use currently? They take too long to charge and haven't got enough storage for long journeys. 6 of 14 Which type of biofuel is used mainly in Brazil and USA? Bioethanol 7 of 14 What does the abbreviation B20 mean when applied to biodiesel fuels? 20% biodiesel and 80% standard 8 of 14 What type of engine uses hydrogen as a direct replacement for petrol or diesel? Internal Combustion Engine 9 of 14 What is a hybrid car? A car that uses more than one type of fuel or propulsion system. 10 of 14 What is the equation used to calculate efficiency? Useful energy output/// Total energy input x100 11 of 14 What is a dependant variable? What you measure 12 of 14 What is a independant variable? What you change 13 of 14 What is a control variable? What you keep the same 14 of 14
Comments
No comments have yet been made