Percentage of differential pressure lost in a venturimeter with a tapering of 15° may be about

Question: In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
[A].

t = 15 – 0.0065 h

[B].

t = 15 + 0.0065 h

[C].

t = 0.0035 h – 15

[D].

t = 15 – 0.0035 h

Answer: Option A

Explanation:

No answer description available for this question.

Question: During sensible heating of humid air
[A].

relative humidity increases.

[B].

dew point remains constant.

[C].

dry bulb & wet bulb temperature increases.

[D].

both ‘b’ & ‘c’.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Gross & Net calorific values will be the same for
[A].

methane

[B].

propane

[C].

carbon monoxide

[D].

hydrogen

Answer: Option C

Explanation:

No answer description available for this question.