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1
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

For a ball bearing, the fatigue life in millions of revolutions is given by $L = \left(\frac{C}{P}\right)^n$, where $P$ is the constant applied load and $C$ is the basic dynamic load rating. Which one of the following statements is TRUE?

A

$n = 3$, assuming that the inner racing is fixed and outer racing is revolving

B

$n = 1/3$, assuming that the inner racing is fixed and outer racing is revolving

C

$n = 3$, assuming that the outer racing is fixed and inner racing is revolving

D

$n = 1/3$, assuming that the outer racing is fixed and inner racing is revolving

2
GATE ME 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Which of the bearings given below SHOULD NOT be subjected to a thrust load?
A
Deep groove ball bearing
B
Angular contact ball bearing
C
Cylindrical (straight) roller bearing
D
Single row tapered roller bearing
3
GATE ME 2014 Set 4
Numerical
+1
-0
Ball bearings are rated by a manufacturer for a life of $${10^6}$$ revolutions. The catalogue rating of a particular bearing is $$16$$ $$kN.$$ If the design load is $$2$$ $$kN,$$ the life of the bearing will be $$P \times {10^6}$$ revolutions, where $$P$$ is equal to ___________.
Your input ____
4
GATE ME 2005
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is criterion in the design of hydrodynamic journal bearings?
A
Sommerfeld number
B
Rating life
C
Specific dynamic capacity
D
Rotation factor
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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
Production Engineering
Sheet Metal Forming Processes Metal Cutting Welding Process Metal Forming Casting Advance Machine Tools Machining Metrology and Inspection
Industrial Engineering
Queuing Production Planning and Control Line Balancing Forecasting Pert and Cpm Inventory Control Transportation Scheduling Linear Programming Assignment
Turbo Machinery
Turbo Machinery
Theory of Machines
Analysis of Plane Mechanisms Gears and Gear Trains Vibrations Flywheel
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Transform Theory Numerical Methods
Fluid Mechanics
Fluid Properties Fluid Statics Boundary Layer Turbulent Flow Laminar Flow Fluid Dynamics Fluid Kinematics
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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Numerical Ability Logical Reasoning Verbal Ability
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