1
GATE ME 2023
MCQ (Single Correct Answer)
+1
-0.33

The S-N curve from a fatigue test for steel is shown. Which one of the options gives the endurance limit?

GATE ME 2023 Machine Design - Fatigue Strength Question 1 English
A
Sut
B
S2
C
S3
D
S4
2
GATE ME 2023
Numerical
+1
-0

The braking system shown in the figure uses a belt to slow down a pulley rotating in the clockwise direction by the application of a force P. The belt wraps around the pulley over an angle Ξ± = 270 degrees. The coefficient of friction between the belt and the pulley is 0.3. The influence of centrifugal forces on the belt is negligible.

During braking, the ratio of the tensions T1 to T2 in the belt is equal to __________. (Rounded off to two decimal places)

Take Ο€ = 3.14.

GATE ME 2023 Machine Design - Design of Brakes and Clutches Question 1 English
Your input ____
3
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0
Two surfaces P and Q are to be joined together. In which of the given joining operation(s), there is no melting of the two surfaces P and Q for creating the joint?
A
Arc welding
B
Brazing
C
Adhesive bonding
D
Spot welding
4
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0
In a metal casting process to manufacture parts, both patterns and moulds provide shape by dictating where the material should or should not go. Which of the option(s) given correctly describe(s) the mould and the pattern?
A
Mould walls indicate boundaries within which the molten part material is allowed, while pattern walls indicate boundaries of regions where mould material is not allowed.
B
Moulds can be used to make patterns.
C
Pattern walls indicate boundaries within which the molten part material is allowed, while mould walls indicate boundaries of regions where mould material is not allowed.
D
Patterns can be used to make moulds.
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