1
GATE ME 2011
MCQ (Single Correct Answer)
+1
-0.3
A double - parallelogram mechanism is shown in the figure. Note that PQ is a single link. The mobility of the mechanism is GATE ME 2011 Theory of Machines - Analysis of Plane Mechanisms Question 53 English
A
$$-$$1
B
0
C
1
D
2
2
GATE ME 2011
MCQ (Single Correct Answer)
+2
-0.6
A mass of $$1$$ kg is attached to two identical springs each with stiffness $$k=20kN/m$$ as shown in the figure. Under frictionless condition, the natural frequency of the system in $$Hz$$ is close to GATE ME 2011 Theory of Machines - Vibrations Question 34 English
A
$$32$$
B
$$23$$
C
$$16$$
D
$$1$$
3
GATE ME 2011
MCQ (Single Correct Answer)
+2
-0.6
A disc of mass m is attached to a spring of stiffness $$k$$ as shown in the figure. The disc rolls without slipping on a horizontal surface. The natural frequency of vibration of the system is GATE ME 2011 Theory of Machines - Vibrations Question 35 English
A
$${1 \over {2\,\pi }}\sqrt {{K \over m}} $$
B
$${1 \over {2\,\pi }}\sqrt {{{2K} \over m}} $$
C
$${1 \over {2\,\pi }}\sqrt {{{2K} \over {3\,m}}} $$
D
$${1 \over {2\,\pi }}\sqrt {{{3K} \over {2\,m}}} $$
4
GATE ME 2011
MCQ (Single Correct Answer)
+1
-0.3
A pump handling a liquid raises its pressure from $$1$$ bar to $$30$$ $$bar.$$ Take the density of the liquid as $$990$$ $$kg/{m^3}$$. The isentropic specific work done by the pump in $$kJ/kg$$ is
A
$$0.10$$
B
$$0.30$$
C
$$2.50$$
D
$$2.93$$