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
Turbo Machinery
EXAM MAP