Automobile Engineering Flywheel Online Exam Quiz
Automobile Engineering Flywheel GK Quiz. Question and Answers related to Automobile Engineering Flywheel. MCQ (Multiple Choice Questions with answers about Automobile Engineering Flywheel
The engine has the flywheel of mass 7 tons and the radius of gyration is 1.7 m. The fluctuation of energy is 55 kN-m. The mean speed of the engine is 150 rpm. What is the coefficient of fluctuation of speed?
Options
A : 0.021
B : 0.011
C : 0.031
D : 0.041
In the single-cylinder, single acting, four-stroke gas engine, the total fluctuation of speed is not to exceed ±3 percent of the mean speed. What is the coefficient of fluctuation of speed?
Options
A : 0.04
B : 0.03
C : 0.09
D : 0.06
The steam engine has a flywheel which is having a radius of gyration of 1.1 m and mass of 2200 kg. The starting torque is 1550 Nm and assumed constant. What is the angular acceleration of the flywheel?
Options
A : 0.54 rad/s2
B : 0.58 rad/s2
C : 0.62 rad/s2
D : 0.52 rad/s2
Given that maximum fluctuation of energy is 2000 N-m/s and coefficient of fluctuation of speed is 0.02. What is the mean kinetic energy of flywheel?
Options
A : 50 kN-m/s
B : 40 kN-m/s
C : 30 kN-m/s
D : 20 kN-m/s
Which of the following is true about the flywheel?
Options
A : Flywheel regulates speed over a period of time
B : Flywheel takes care of the quantity of fluid
C : Flywheel controls frac{dN}{dt}dNdt
D : Flywheel regulates the speed by regulating the quantity of charge of the prime mover
Which of the following is the expression of the maximum fluctuation of energy in a flywheel where I = mass moment of inertia of the flywheel, Cs = coefficient of fluctuation of speed, ? = mean angular speed of ?1 and ?2, and E = mean kinetic energy of the flywheel?
Options
A : I*?*(?1+?2)
B : I*?*Cs
C : 2*E2*Cs
D : I*?2*Cs
What is the maximum fluctuation of energy?
Options
A : It is the sum of maximum and minimum energies
B : It is the ratio of the maximum and minimum energies
C : It is the ratio of the mean resisting torque to the work done per cycle
D : It is the difference between the maximum and minimum energies
What is the coefficient of fluctuation of energy?
Options
A : The ratio of the maximum fluctuation of energy to the minimum fluctuation of energy
B : The ratio of the maximum fluctuation of energy to the work done per cycle
C : The ratio of the minimum fluctuation of energy to the maximum fluctuation of energy
D : The ratio of the work done per cycle to the maximum fluctuation of energy
What is the coefficient of fluctuation of speed?
Options
A : The ratio of the maximum fluctuation of speed to the mean speed
B : The ratio of the maximum fluctuation of energy to the mean speed
C : The ratio of the minimum fluctuation of energy to the mean speed
D : The ratio of the work done per cycle to the mean speed
The flywheel stores the potential energy.
Options
A : True
B : False
C :
D :
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