1
GATE ME 2009
+2
-0.6
An automotive engine weighing $$240$$ kg is supported on four springs with linear characteristics. Each of the front two springs have a stiffness of $$16$$ MN/m while the stiffness of each rear spring is $$32$$ MN/m. The engine speed (in rpm), at which resonance is likely to occur, is
A
$$6040$$
B
$$3020$$
C
$$1424$$
D
$$955$$
2
GATE ME 2009
+2
-0.6
A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is $$3.6$$ kN/m and the damping constant of the damper is $$400$$ Ns/m. If the mass is $$50$$ kg, then the damping factor ($$\xi$$) and damped natural frequency ($${f_n}$$) respectively are
A
$$0.47$$ and $$1.19$$ $$Hz$$
B
$$0.471$$ and $$7.48$$ $$Hz$$
C
$$0.666$$ and $$1.35$$ $$Hz$$
D
$$0.666$$ and $$8.50$$ $$Hz$$
3
GATE ME 2008
+2
-0.6
A uniform rigid rod of mass $$m =1kg$$ and length $$L=1$$ m is hinged at its centre & laterally supported at one end by a spring of spring constant $$k=300N/m.$$ The natural frequency $${\omega _n}$$ in rad/s is
A
$$10$$
B
$$20$$
C
$$30$$
D
$$40$$
4
GATE ME 2008
+2
-0.6
The natural frequency of the spring mass system shown in the figure is closest to A
$$8Hz$$
B
$$10Hz$$
C
$$12Hz$$
D
$$14Hz$$
GATE ME Subjects
Engineering Mechanics
Strength of Materials
Theory of Machines
Engineering Mathematics
Machine Design
Fluid Mechanics
Turbo Machinery
Heat Transfer
Thermodynamics
Production Engineering
Industrial Engineering
General Aptitude
EXAM MAP
Joint Entrance Examination