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Direction:

Each of the next consists of two statements, one labeled  as the 'Statement (I)' and the other as Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the codes given below :

Codes:

(A) Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

(B) Both Statement (I) and Statement (II) are individually true but Statement (II) is NOT the correct explanation of Statement (I)

(C) Statement (I) is true but Statement (II) is false

(D) Statement (I) is false but Statement (II) is true

Direction:

Each of the next consists of two statements, one labeled  as the 'Statement (I)' and the other as Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the codes given below :

Codes:

(A) Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

(B) Both Statement (I) and Statement (II) are individually true but Statement (II) is NOT the correct explanation of Statement (I)

(C) Statement (I) is true but Statement (II) is false

(D) Statement (I) is false but Statement (II) is true         

Statement (I): When a bluff body moves at supersonic speed in still air, an attached shock wave is produced at its nose causing the flow to be subsonic behind the shock plane.    

Statement (II): A normal shock always transforms supersonic flow into subsonic flow causing increase in pressure, temperature and entropy.          

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