Electric Drives Acceleration Time Online Exam Quiz
Electric Drives Acceleration Time GK Quiz. Question and Answers related to Electric Drives Acceleration Time. MCQ (Multiple Choice Questions with answers about Electric Drives Acceleration Time
Calculate the moment of inertia of the thin spherical shell having a mass of 3 kg and diameter of 66 cm.
Options
A : .2156 kgm2
B : .2147 kgm2
C : .2138 kgm2
D : .2148 kgm2
The slope of the V-I curve is 23.56°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
Options
A : .464 ?
B : .436 ?
C : .443 ?
D : .463 ?
Calculate the value of the duty cycle if the system is on for 48 sec and off for 1 sec.
Options
A : .979
B : .444
C : .145
D : .578
Calculate the value of the frequency if the signal completes half of the cycle in 30 sec. Assume signal is periodic.
Options
A : 0.028 Hz
B : 0.016 Hz
C : 0.054 Hz
D : 0.045 Hz
Calculate the value of the time period if the frequency of the signal is 1 sec.
Options
A : 1 sec
B : 2 sec
C : .5 sec
D : 1.5 sec
Calculate the value of the frequency of the 220 V DC supply.
Options
A : 10 Hz
B : 0 Hz
C : 20 Hz
D : 90 Hz
Calculate the mass of the solid sphere having a moment of inertia 17 kgm2 and radius of 4 cm.
Options
A : 10624 kg
B : 10625 kg
C : 10628 kg
D : 10626 kg
The slope of the V-I curve is 270°. Calculate the value of resistance.
Options
A : 112 ?
B : 178 ?
C : infinite ?
D : 187 ?
Calculate the velocity of the disc if the angular speed is 5 rad/s and radius is 2 m.
Options
A : 25 m/s
B : 20 m/s
C : 25 m/s
D : 10 m/s
A 3-phase induction motor runs at almost 50 rpm at no load and 25 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?
Options
A : 25 revolution per minute
B : 20 revolution per minute
C : 10 revolution per minute
D : 30 revolution per minute
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