Theory of Machines
Gears and Gear Trains
Marks 1Marks 2Marks 5
Analysis of Plane Mechanisms
Marks 1Marks 2
1
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

The change in kinetic energy $\Delta E$ of an engine is $300$ J, and minimum and maximum shaft speeds are $\omega_{min} = 220$ rad/s and $\omega_{max} = 280$ rad/s, respectively. Assume that the torque-time function is purely harmonic. To achieve a coefficient of fluctuation of $0.05$, the moment of inertia (in kg.m$^2$) of the flywheel to be mounted on the engine shaft is

A

0.113

B

0.096

C

0.071

D

0.053

2
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider a slider crank mechanism with nonzero masses and inertia. A constant torque $$\tau $$ is applied on the crank as shown in the figure. Which of the following plots best resembles variation of crank angle, $$\theta $$ versus time GATE ME 2015 Set 1 Theory of Machines - Flywheel Question 3 English
A
GATE ME 2015 Set 1 Theory of Machines - Flywheel Question 3 English Option 1
B
GATE ME 2015 Set 1 Theory of Machines - Flywheel Question 3 English Option 2
C
GATE ME 2015 Set 1 Theory of Machines - Flywheel Question 3 English Option 3
D
GATE ME 2015 Set 1 Theory of Machines - Flywheel Question 3 English Option 4
3
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
A circular solid disc of uniform thickness $$20mm,$$ radius $$200mm$$ and $$mass$$ $$20kg,$$ is used as a fly wheel. If it rotates at $$600$$ $$rpm,$$ the kinetic energy of the flywheel, in joules is
A
$$395$$
B
$$790$$
C
$$1580$$
D
$$3160$$
4
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statement is correct?
A
Flywheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes.
B
Flywheel does not reduce speed fluctuations during a cycle for a constant load, but flywheel does control the mean speed of the engine if the load changes
C
Governor control a speed fluctuations during a cycle for a constant load, but governor does not control the mean speed of the engine if the load changes.
D
Governor controls speed fluctuations during a cycle for a constant load, and governor also controls the mean speed of the engine if the load changes.
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude