MCQOPTIONS
Bookmark
Saved Bookmarks
→
Electric Drives
→
Slip Energy Recovery in Electric Drives
→
Calculate mark to space ratio if the system is on ..
1.
Calculate mark to space ratio if the system is on for 9 sec and time period is 11 sec.
A.
4.6
B.
4.8
C.
4.5
D.
4.9
Answer» D. 4.9
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
Calculate mark to space ratio if the system is on for 9 sec and time period is 11 sec.
Calculate the total heat dissipated in a resistor of 12 when 9.2 A current flows through it.
Calculate the active power in a 1.2 resistor with 1.8 A current flowing through it.
Calculate the active power in a 157.1545 H inductor.
A 3-phase induction motor runs at almost 888 rpm at no load and 500 rpm at full load when supplied with power from a 50 Hz, 3-phase supply. What is the corresponding speed of the rotor field with respect to the rotor?
The generated e.m.f from 2-pole armature having 2 conductors driven at 3000 rpm having flux per pole as 4000 mWb, with 91 parallel paths is ___________
The slope of the V-I curve is 15.5 . Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
Calculate the useful power developed by a motor using the given data: P<sub>in</sub>= 1500 W, I<sub>a</sub>= 6 A, R<sub>a</sub>=.2 . Assume frictional losses are 50 W and windage losses are 25 W.
Calculate the time period of the waveform y(t)=7cos(54 t+2 4).
Calculate the moment of inertia of the thin spherical shell having a mass of 3.3 kg and diameter of .6 cm.
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply