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A thermal power plant has an efficiency of 0.4. If 0.6 kg of coal is burnt to generate 1 kWh, the calorific value of coal is | |
A. | about 3500 kcal/kg [Correct Answer] |
B. | about 2500 kcal/kg [Wrong Answer] |
C. | about 1500 kcal/kg [Wrong Answer] |
D. | about 7500 kcal/kg [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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TRUE
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TRUE
FALSE
⇒ In an ac circuit that delivers constant power at varying p.f., the current is
lowest when p.f. is leading
lowest when p.f. is lagging
lowest when p.f is unity
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⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
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