1
GATE ME 2023
Numerical
+2
-0

A solid part (see figure) of polymer material is to be fabricated by additive manufacturing (AM) in square-shaped layers starting from the bottom of the part working upwards. The nozzle diameter of the AM machine is a/10 mm and the nozzle follows a linear serpentine path parallel to the sides of the square layers with a feed rate of a/5 mm/min.

Ignore any tool path motions other than those involved in adding material, and any other delays between layers or the serpentine scan lines.

The time taken to fabricate this part is ___________ minutes.

(Answer in integer)

GATE ME 2023 Industrial Engineering - Production Planning and Control Question 1 English

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2
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
3
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
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4
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
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