1
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The input link Q2P of a four bar linkage is rotated at $$2$$ rad/s counter clockwise direction as shown below. The angular velocity of the coupler PQ in rad/s, at an instant when $$\angle {O_4}{O_2}P = {180^ \circ },$$ is GATE ME 2007 Theory of Machines - Analysis of Plane Mechanisms Question 20 English
A
$$4$$
B
$$2\sqrt 2 $$
C
$$1$$
D
$${1 \over {\sqrt 2 }}$$
2
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
A quick return mechanism is shown in below. The crank OS is drive at $$2$$ rev/s in counter clockwise direction GATE ME 2007 Theory of Machines - Analysis of Plane Mechanisms Question 18 English

The angular speed of PQ in rev/s when the block R attains maximum speed during forward stroke (stroke with slower speed) is

A
$$1/3$$
B
$$2/3$$
C
$$2$$
D
$$3$$
3
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
A quick return mechanism is shown in below. The crank OS is drive at $$2$$ rev/s in counter clockwise direction GATE ME 2007 Theory of Machines - Analysis of Plane Mechanisms Question 19 English

If the quick return ratio is $$1:2$$, then the length of the crank in mm is

A
$$250$$
B
$$250\sqrt 3 $$
C
$$500$$
D
$$500\sqrt 3 $$
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The natural frequency of the system shown below is GATE ME 2007 Theory of Machines - Vibrations Question 17 English
A
$$\sqrt {{{k} \over 2m}} $$
B
$$\sqrt {{{k} \over m}} $$
C
$$\sqrt {{{2k} \over m}} $$
D
$$\sqrt {{{3k} \over m}} $$
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