Consider the following types of vehicles: I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles. How many of the above are considered as alternative powertrain vehicles?

Consider the following substances: I. Ethanol II. Nitroglycerin III. Urea. Coal gasification technology can be used in the production of how many of them?

Consider the following statements and identify the correct answer using the code given below : 1. In a thermal power station, fuels such as oil, coal or natural gas are used to generate electricity.…

Which of the following two are the major constituent of Bio-gas? 1. Methane 2. Butane 3. Carbon dioxide 4. Carbon monoxide

Which of the following is the value of solar constant ?

Steam methane reforming technique is used to obtain