 
			 
			MCQOPTIONS
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				| 1. | The liquid metal that runs through the channels without friction in the mould obeys which of the following theorem? | 
| A. | Bernoulli’s theorem | 
| B. | Clausius theorem | 
| C. | Helmholtz’s theorem | 
| D. | Carnot’s theorem | 
| Answer» B. Clausius theorem | |