1
GATE ME 2001
MCQ (Single Correct Answer)
+2
-0.6
The assembly shown in the figure is composed of two massless rods of length $$l$$ with two particles, each of mass $$m$$. The natural frequency of this assembly for small oscillations is GATE ME 2001 Theory of Machines - Vibrations Question 47 English
A
$$\sqrt {g/\ell } $$
B
$$\sqrt {2g/\left( {\ell \cos \alpha } \right)} $$
C
$$\sqrt {g/\left( {\ell \cos \alpha } \right)} $$
D
$$\sqrt {\left( {g\cos \alpha } \right)/\ell } $$
2
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
In the figure shown, the spring deflects by $$\delta $$ to position A ( the equilibrium position) when a mass $$m$$ is kept on it. During free vibration, the mass is at position $$B$$ at some instant. The change in potential energy of the spring mass system from position $$A$$ to position $$B$$ is GATE ME 2001 Theory of Machines - Vibrations Question 68 English
A
$${1 \over 2}k{x^2}$$
B
$${1 \over 2}k{x^2} - mgx$$
C
$${1 \over 2}k{\left( {x + \delta } \right)^2}$$
D
$${1 \over 2}k{x^2} + mgx$$
3
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.
4
GATE ME 2001
MCQ (Single Correct Answer)
+2
-0.6
A cyclic heat engine does $$50$$ $$kJ$$ of work per cycle. If the efficiency of the heat engine is $$75\% $$, then heat rejected per cycle is
A
$$16{2 \over 3}\,kJ$$
B
$$33{1 \over 3}\,kJ$$
C
$$37{1 \over 2}\,kJ$$
D
$$66{2 \over 3}\,kJ$$
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