Latent Heat Quiz PDF: Questions and Answers - 35

MCQ 171: Provided that the latent heat of fusion of a 5.4 kg block of ice has been provided by a heater of 1 kW for 1800 s, the specific latent heat of fusion of ice would then be equal to

1. 333 kJ ⁄ kg
2. 340 kJ ⁄ kg
3. 350 kJ ⁄ kg
4. 360 kJ ⁄ kg

MCQ 172: A bus travels with a constant force of 5000 N and the work done by the bus is 2500 J, the distance travelled by the bus is

1. 2 m
2. 0.5 m
3. 7500 m
4. 2500 m

MCQ 173: Suppose the air is stable and not moving, this would

1. increase the rate of evaporation
2. decrease the rate of evaporation
3. not affect the rate of evaporation
4. disturb the rate of evaporation

MCQ 174: The SI unit of moment of force is

1. N m^-1
2. N m
3. J, where J is joules
4. W, where W is watts

MCQ 175: The pair of two hollow cups is termed as

1. Galileo hemispheres
2. Isaac hemispheres
3. Albert hemispheres
4. Magdeburg hemispheres