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1
GATE ME 2015 Set 1
Numerical
+2
-0
A precision instrument package (m = 1kg) needs to be mounted on a surface vibrating at 60 Hz. It is desired that only 5% of the base surface vibration amplitude be transmitted to the instrument. Assume that the isolation is designed with its natural frequency significantly lesser than 60Hz, so that the effect of damping may be ignored. The stiffness (in N/m) of the required mounting pad is _____________.
Your input ____
2
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
Considering massless rigid rod and small oscillations, the natural frequency (in rad/s) of vibration of the system shown in the figure is GATE ME 2015 Set 1 Theory of Machines - Vibrations Question 15 English
A
$$\sqrt {{{400} \over 1}} $$
B
$$\sqrt {{{400} \over 2}} $$
C
$$\sqrt {{{400} \over 3}} $$
D
$$\sqrt {{{400} \over 4}} $$
3
GATE ME 2014 Set 4
Numerical
+2
-0
A single degree of freedom system has a mass of 2kg, stiffness 8 N/m and viscous damping ratio 0.02. The dynamic magnification factor at an excitation frequency of 1.5 rad/s is ___________
Your input ____
4
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
What is the natural frequency of the spring mass system shown below? The contact between the block and the inclined plane is frictionless. The mass of the block is denoted by $$m$$ and the spring constants are denoted by $${k_1}$$ and $${k_2}$$ as shown below. GATE ME 2014 Set 2 Theory of Machines - Vibrations Question 19 English
A
$$\sqrt {{{{K_1} + {K_2}} \over {2m}}} $$
B
$$\sqrt {{{{K_1} + {K_2}} \over 4m}} $$
C
$$\sqrt {{{{K_1} - {K_2}} \over m}} $$
D
$$\sqrt {{{{K_1} + {K_2}} \over m}} $$
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GATE ME Subjects
Engineering Mechanics
Engineering Mechanics Static and Dynamics
Machine Design
Bolted Riveted and Welded Joints Design For Static Loading Design of Brakes and Clutches Design of Spur Gears Design of Bearings Fatigue Strength
Strength of Materials
Springs Pure Bending Stresses In Beams Simple Stress and Strain Complex Stresses Moment of Inertia Deflection of Beams Shear Force and Bending Moment Torsion Thin Cylinders Columns and Struts Strain Energy Method
Heat Transfer
Conduction Fin Design and Transient Heat Conduction Convection Radiation Heat Exchangers
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Industrial Engineering
Queuing Production Planning and Control Line Balancing Forecasting Pert and Cpm Inventory Control Transportation Scheduling Linear Programming Assignment
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Turbo Machinery
Theory of Machines
Vibrations Gears and Gear Trains Flywheel Analysis of Plane Mechanisms
Engineering Mathematics
Linear Algebra Vector Calculus Probability and Statistics Differential Equations Transform Theory Calculus Complex Variable Numerical Methods
Fluid Mechanics
Fluid Properties Boundary Layer Turbulent Flow Fluid Dynamics Laminar Flow Fluid Kinematics Fluid Statics
Thermodynamics
Properties of Pure Substances Basic Concepts and Zeroth Law First Law of Thermodynamics Calculation of Work and Heat Entropy and Irreversibility Rankine Cycle Availability Second Law of Thermodynamics
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