Chapter 6-Transportation Natural gas with some propane and butane. methanol and

Question

Chapter 6-Transportation Natural gas with some propane and butane. methanol and ethanol. Lead-acid batteries. Iron-nickel batteries e Nickel-cadmium batteries. natural gas after methane is removed d. Nickel-metal hydride batteries. Used as jet fuel a The major disadvantage(s) of methanol as an 16 which of the following can be said about fuel fuel is/are that It has an invisible flame. a. The fuel cell is a well-developed technology It is toxic. with most infrastructure already in place. Fuel cell vehicles can go thousands of miles Ithas low energy density. between each charge. All of the above. c. Fuel cells are relatively cheap to manufacture. d. Their eficiency can be higher than those main advantage of hydrogen over What is the dictated by the Carnot efficiency. fossil fuels? e. All of the above. Hydrogen can be stored at very high pressures 17. Fuel cells are regarded as a promising technology so we can store a lot in a small volume. can be easily liquefied, so a. They were used in the space program. Hydrogen flame is invisible, so it is relatively They use fossil fuel. Their only by-product is water, d They are cheap to produce. When produced from renewable hydrogen is the cleanest of all e. We have huge reserves ofhydrogen. Because of its lower density, hydrogen- 18 which of the following can be said about electric powered vehicle is lighter, requiring less vehicles? a The main disadvantage of electric vehicles is power to run. danger associated with electrical shock. Which the following is not considered an internal combustion engine? b. The number of battery-powered electric vehicles are expected to increase to 20% ofall Diesels using synthetic biofuels vehicles by 2015. b Gasoline engines c. Electric vehicles have limited range. Most electric vehicles are powered by fuel e Gas turbines d. d Steam turbines e, Electric vehicles are superior during highway e All are internal combustion engines driving and at cruising speeds. Which of the following is not co 19. Which of the following increases a vehicle's fuel external combustion engine? efficiency? Stirling engines Using the right kind of oil Steam engines b Making the vehicle lighter Increasing the compressi ion ratio d Solid-fuel rockets d. Properly inflated tires Both c and d. efficiency gasoline and diesel vehicles operating today Most

Explanation / Answer

Q.10 Liquefied Petroleum Gas or LPG  consists mainly of propane, propylene, butane, and butylene in various mixtures. So option A is correct.

Q.11. Option E is correct.

Q.12. Option E is correct.

Q.13. Option E is correct as all are IC engines.

Q.14. Option C and D is correct so we will choose option E.

Q.15. Option A is correct.

Q.16. Option E is correct.

Q.17. Option C is correct.

Q.18. Option C is correct.

Q.19. Option E is correct

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.