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# GATE 2022 ME: Machine Design Quiz - 7

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Question 1

Match List-I (Application) with List-II (Joint) and select the correct answer using the code given below the lists:
List-I
A). Boiler shell
B). Marine Shaft Coupling
D). Automobile gear box (gears to shaft)
List-II
1). Cotter joint
2). Knuckle Joint
3). Riveted Joint
4). Splines
5). Bolted Joint

Question 2

The length L key required to transmit 500 Nm torque for 60mm diameter shaft. The key has a cross section of 20x10mm (Syt=Syc=240 MPa, FOS=4) is?

Question 3

For an Oldham coupling used between two shafts, which among the following statements are correct?
I. Torsional load is transferred along shaft axis.
II. A velocity ratio of 1:2 between shafts is obtained without using gears
III. Bending load is transferred transverse to shaft axis.
IV. Rotation is transferred along shaft axis.

Question 4

The tensions on a belt are 245N and 165N. The pulleys have a diameter of 240mm and rotate at 1200rpm. Find the amount of power transmitted.

Question 5

The included angle of V- belt is usually:

Question 6

In a cotter joint, the width of the cotter at the centre is 5 cm, while its thickness is 1.2 cm. The load acting on the cotter is 60kN. The shear stress developed in the cotter is
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