Computer Programming MCQs — Test 86
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Question 1
The change in flux linkages can be caused in which of the following ways ?
Question 2
Commercial available medium size machines have a speed range of __________ ?
Question 3
__________ has a low relative permeability and is used principally in field frames when cost is of primary importance and extra weight is not objectionable?
Question 4
_______________is universally used for windings of electrical machines because it is easily workable without any possibility of fracture?
Question 5
Materials exhibiting zero value of resistivity are known as ____________ ?
Question 6
Hot rolled sheets have ___________ value of permeability?
Question 7
Aluminium when adopted as a conductor material in __________ transformers, decreases the overall cost of the transformer?
Question 8
__________is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ?
Question 9
The heat dissipated by from a surface depends upon its temperature and its characteristics like colour, roughness etc?
Question 10
Which of the following materials is used in the manufacture of resistance grids to be used in the starters of large motors ?