41. The length of air gap to be provided in ______ is primarily determined by power factor consideration.
42. Most common form of A.C. meters met with in every day domestic and industrial installations are
43. Hot rolled sheets have ______ value of permeability
44. An ammeter is a
45. An ohmmeter is a
46. In a Weston synchronoscope, the fixed coils are connected across
47. The time taken by the machine to attain 0.632 of its final steady temperature rise is called
48. With direct water cooling it is possible to have ratings of about
49. In induction motors, the length of air gap in kept as small as mechanically possible is order to have
50. Which of the following methods does not take into account the maximum temperature rise under variable loadconditions ?
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