Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of

Liquefied Petroleum Gas (LPG) is mainly a mixture of

A

Propane & butane

B

Methane & ethane

C

High boiling olefins

D

High boiling naphthenes

Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

A

Methane

B

Ethane

C

Propane

D

Butane

Mercaptans are added to liquefied petroleum gas (LPG) to

A

Reduce its cost

B

Narrow down its explosion limit

C

Assist in checking its leakage from cylinder

D

Increase its calorific value

Liquefied Petroleum Gas (LPG) তে থাকে-

A

মিথেন, পানি ও ইথেন

B

মিথেন, বিউটেন ও প্রোপেন

C

মিথেন, ইথেন ও বিউটেন

D

মিথেন, ইথেন ও জেনন

A survey of City A found an average of 3.2 people per household and an average of 1.2 DVD players per household . If 48,000 people live in City A, how many DVD players are there in City A?

A

15,000

B

16,000

C

18,000

D

40,000

If a gas is to be liquefied, its temperature must be

A

Increased to a value above its critical temperature

B

Reduced to a value below its critical temperature

C

Equal to critical temperature

D

None of the above

Unlike the many winter vegetables that have tought leaves and thus require a lengthy cooking time,"Those of csbbage need little cooking time"(Match the best alternative that correspond to the quotations word)

A

Those of cabbage need little cooking time

B

Cabbage needs little cooking time

C

Cabbage need little cooking time

D

Those of cabbage needs little cooking time

L.D. converter gas (produced in steel plant) comprises mainly of

A

CO (upto 65%) & CO₂

B

CO₂ & H₂

C

CO & O₂

D

CO₂ & O₂

Producer gas comprises mainly of

A

CO & N₂

B

CO & H₂

C

CO₂ & N₂

D

CO₂ & H₂

LPG consists of mainly--

A

methane , butane and propane

B

methane, ethane and propane

C

gobar gas,methane, water gas

D

methane , water gas and ethane

Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of

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