Ii) When the cold junction of a thermocouple is at 273K and the hot is at 380K an emf of 5.992mV is generated. When the hot junction is then placed in a liquid at its melting
point the emf recorded is 53.872mV. Calculate the melting point of the liquid.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?