Calculate the coefficient of fluctuation of speed if maximum speed is – McqOptions

MCQOPTIONS

1.	Calculate the coefficient of fluctuation of speed if maximum speed is 2500rpm and minimum speed is 1800rpm.
A.	1.44
B.	1.33
C.	0.33
D.	0.44
Answer» D. 0.44

Discussion

No Comment Found

Related MCQs

Keyed joints never lead to stress concentration on shafts.
Feather key can be used to prevent axial motion between two elements.
Calculate the net energy output from the flywheel.
Calculate the energy at point C if energy at point A is U.
Calculate the energy at point B if energy assumed at point A is U.
Torque vs. theta graph of a flywheel is shown. Coefficient of fluctuation of speed is 0.2 and the mean angular velocity of the machine is 25 rad/s. Thickness of flywheel is 20mm and density of steel used is 7700kg/mᵌ. Calculate the outer radius of the flywheel.
Calculate the coefficient of steadiness if maximum speed of flywheel is 2500rpm and minimum speed is 1800rpm.a) 3.03b) 0.33c) 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above).
Calculate the energy at point C if energy at point A is U.$
Calculate the energy at point B if energy assumed at point A is U.$
Calculate the point of minimum energy.