Machine Design
Bolted Riveted and Welded Joints
Marks 1Marks 2
Design For Static Loading
Marks 1Marks 2
Design of Brakes and Clutches
Marks 1Marks 2
Design of Spur Gears
Marks 1Marks 2
Design of Bearings
Marks 1Marks 2
Fatigue Strength
Marks 1Marks 2
1
GATE ME 2025
MCQ (Single Correct Answer)
+1
-0.33
A shaft carries a helical spur gear. Which one of the following bearings can NOT be used to support it?
A
Angular contact bearing
B
Double-row ball bearing
C
Straight roller bearing
D
Tapered roller bearing
2
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

3
GATE ME 2022 Set 1
MCQ (Single Correct Answer)
+1
-0.33
A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor is
A
20 kHz
B
10 kHz
C
3 kHz
D
15 kHz
4
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
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude