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LST stands for __________

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in Energy Engineering by (91.0k points)
LST stands for __________

(a) Local standard time

(b) Local solar temperature

(c) Low surface temperature

(d) Land surface temperature

I had been asked this question during an online exam.

My question is taken from Solar Radiation Measurement topic in section Solar Energy of Energy Engineering

1 Answer

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Correct answer is (b) Local solar temperature

Easy explanation: Local solar time is also known as local apparent time which is the time used for calculating the hour angle. The local solar time is obtained from the standard time observed on a clock by making two corrections. First, is taking different longitudes between the locations and second is correction due to small perturbations of earth’s orbit and rate of rotation.

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