Theory of Machines
Gears and Gear Trains
Marks 1Marks 2Marks 5
Analysis of Plane Mechanisms
Marks 1Marks 2
1
GATE ME 2014
MCQ (Single Correct Answer)
+1
-0.3
Critical damping is the
A
largest amount of damping for which no oscillation occurs in free vibration
B
smallest amount of damping for which no oscillation occurs in free vibration
C
largest amount of damping for which the motion is simple harmonic in free vibration
D
smallest amount of damping for which the motion is simple harmonic in free vibration
2
GATE ME 2014
MCQ (Single Correct Answer)
+1
-0.3
In vibration isolation, which one of the following statements is NOT correct regarding Transmissibility ($$T$$)?
A
$$T$$ is nearly unity at small excitation frequencies
B
$$T$$ can be always reduced by using higher damping at any excitation frequency
C
$$T$$ is unity at the frequency ratio of $$\sqrt 2 $$
D
$$T$$ is infinity at resonance for undamped systems
3
GATE ME 2013
MCQ (Single Correct Answer)
+1
-0.3
If two nodes are observed at a frequency of $$1800$$ rpm during whirling of a simply supported long slender rotating shaft, the first critical speed of the shaft in rpm is
A
$$200$$
B
$$450$$
C
$$600$$
D
$$900$$
4
GATE ME 2010
MCQ (Single Correct Answer)
+1
-0.3
The natural frequency of a spring-mass system on earth is $${\omega _n}.$$ The natural frequency of this system on the moon (gmoon = gearth/6) is
A
$${\omega _n}$$
B
$$0.408$$$${\omega _n}$$
C
$$0.204$$$${\omega _n}$$
D
$$0.167$$$${\omega _n}.$$
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