If a transformer is operated at rated frequency but voltage higher then the rated value, how do you expect the following quantities to change:- A) No-load current.
B) Hysterics loss.
C) Eddy current loss.​

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false