Fuel: MCQ Test (25 questions)

Question 1 of 25

Which of the following is not a fossil fuel?

ACoal
Bpetroleum
Cnitrogen
Dwater gas

Question 2 of 25

Water cannot extinguish burning petrol because

AA flammable chemical is produced when petrol and water are mixed.
BBurning petrol instantly turns water into steam.
CPetrol floats on water due to its relatively low density.
DOn contact with burning petrol, water releases oxygen, which helps in burning.

Question 3 of 25

The liquefied mixture of normal butane and iso butane is called

Awater gas
Bcoal gas
Cproducer gas
Dliquefied petroleum gas

Question 4 of 25

The combustion process that takes place without any external heat is called

Arapid combustion
Bslow combustion
Cspontaneous combustion
Dexplosion

Question 5 of 25

By passing water vapor over red hot coke, a mixture of carbon monoxide and hydrogen gases is obtained, which is called

Acoal gas
Bwater gas
Cproducer gas
DBio Gas

Question 6 of 25

What is known as 'Brown Coal'?

Apeat
BLignite
Cbituminous
DAnthracite

Question 7 of 25

Which of the following fossil fuels is the cleanest fuel?

ACoal
Bpetrol
Cnatural gas
Ddiesel

Question 8 of 25

Which of the following can be used as propellant or fuel in rockets?

ALiquid Hydrogen + Liquid Nitrogen
BLiquid Oxygen + Liquid Argan
Cliquid nitrogen + liquid oxygen
Dliquid hydrogen + liquid oxygen

Question 9 of 25

Which gas is mainly present in LPG?

Amethane
BCO²
Cbutane
DSO²

Question 10 of 25

The fuel used to propel rockets is called—

ABiomass
BCoke
Cpropellant
Dcoal gas

Question 11 of 25

Which of the following gases released from a biogas plant is used as fuel gas?

Abutane
BPropane
Cmethane
DAthene

Question 12 of 25

What type of combustion does respiration

Arapid combustion
Bslow combustion
Cspontaneous combustion
Dexplosion

Question 13 of 25

Producer gas is a mixture of—

ACO+N²
BCO² + N²
CCO² + H²+ N²
DCO²+ H²

Question 14 of 25

The gaseous mixture of carbon monoxide and nitrogen gas is called

Acoal gas
Bwater gas
Cproducer gas
Dnatural gas

Question 15 of 25

In a simple fire extinguisher, CO is produced by the reaction of:

ALimestone and dilute sulphuric acid
BMarble and dilute salt acid
Csodium bicarbonate and dilute coagulation
DRatio of sodium carbonate and dilute salt

Question 16 of 25

Gobar Gas mainly contains

Amethane
BEthylene
CAcetylene
Dcarbon monoxide

Question 17 of 25

It indicates the antiknock properties of a fuel.

AGolden number
BNatural numbers
Coctane number
DMach number

Question 18 of 25

What is the full name of LPG?

ALiquefied Petroleum Gas
BLiquefied Petroleum Gas
Cleaded petroleum gas
DLow petroleum gas

Question 19 of 25

Which of the following fuels causes minimum environmental pollution?

Ahydrogen
BCoal
Cdiesel
DKerosene

Question 20 of 25

Which of the following mixtures is called coal gas?

AH²CH⁴CO
BH²N², CO
CH²N²O
DH²N²CO²

Question 21 of 25

Why is sodium bicarbonate used as a fire extinguisher?

ABy receiving heat from the fire, it produces CO² gas.
BIt produces CO gas by absorbing heat from the fire.
CBy receiving heat from the fire, it produces O2 gas.
DIt produces water by receiving heat from the fire.

Question 22 of 25

concentrated solution of which of the following is kept in a fire extinguisher along with concentrated sulphuric acid kept in a bottle?

Acalcium carbonate
Bsodium chloride
Csodium bicarbonate
Dsodium sulphate

Question 23 of 25

Why is CNG called eco-friendly?

AIt contains very little hydrogen
BIts main component is ethane gas (80-90%).
CIt contains very little carbon monoxide.
DThe gases in CNG are not completely burnt, hence the emissions are very low.

Question 24 of 25

The amount of heat obtained by completely burning one gram of a fuel in air or oxygen is called—

Acombustion
Bcalorific value
Ccalorific value
Dignition temperature

Question 25 of 25

This process of combustion in which heat and light are produced in a short time is called

Arapid combustion
Bslow combustion
Cspontaneous combustion
Dexplosion