Tag: lpg, cng

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Questions Related to lpg, cng

Multiple choice evs what if it finishes? lpg, cng treasures from the earth fuel and conservation

Kerosene has a lower ignition temperature than diesel.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A fuel with lowest ignition temperature means, it catches fire easily and is called highly inflammable. Kerosene has lower ignition temperature than diesel. This means kerosene will start to catch fire faster than diesel.

Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

The characteristics of a good fuel are:

  1. it should release more energy

  2. it should be safe

  3. it should be easily transportable

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The characteristics of a good fuel are near to the characteristics of an ideal fuel, as there can not exist an ideal fuel in nature.
It should release more energy,  it should be safe,  it should be easily transported, readily available,  should not cause pollution on combustion etc.

Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

The full form of C.N.G is:

  1. Compound Natural Gas

  2. Complex Natural Gas

  3. Compound New Gas

  4. Compressed Natural Gas
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CNG is made by compressing natural gas (which is mainly composed of methane, CH4), to less than 1 percent of the volume, it occupies at standard atmospheric pressure. It is stored and distributed in hard containers at a pressure of 2025 MPa (2,9003,600 psi), usually in cylindrical or spherical shapes. Thus it is also called Compressed natural gas (CNG) (Methane stored at high pressure).

Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

Spark plugs are not necessary in a diesel engine because 

  1. compression of the gases heat them above the ignition temperature of the fuel

  2. diesel is more volatile than petrol

  3. there is deposition of carbon in the spark plug which is difficult to remove

  4. diesel is easily ignited
Reveal answer Fill a bubble to check yourself
C Correct answer
Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

What is the full form of PNG?

  1. Petrol Natural Gas

  2. Piped Natural Gas

  3. Pressurise Natural Gas

  4. Pure Natural Gas
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Piped Natural Gas is abbreviated as PNG. Piped Natural gas (PNG) is used for domestic, commercial and industrial consumption. PNG has several distinctions to its credit of being a pollution free fuel, economical and safer fuel.

Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

The most common sources of energy are:

  1. wood and coal

  2. petroleum and coal

  3. LPG and cow dung

  4. natural gas and wood
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fossil energy like coal, lignite, petroleum and natural gas are most common sources of energy. These sources of energy are used to produce electricity, cook food, heat thermal engines etc. 

Multiple choice evs how to save fuel lpg, cng treasures from the earth fuel and conservation

Cleaner fuel among the following is:

  1. petrol

  2. kerosene

  3. diesel

  4. compressed natural gas
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Compressed natural gas is a cleaner fuel because it causes less pollution by emitting lesser pollutants like carbon dioxide, nitrogen oxides, sulphur oxides, carbon monoxides, unburnt hydrocarbons etc.