In which among the following types of gear does the pressure angle remains constant?

In the above drawn Mohr's circle for stress, which is the angle of obliquity?

Calculate the maximum shear stress in a circular fillet weld made between a circular rod of 50 millimeters diameter and a plate subjected to a torsional moment of 100 newton millimeters. The size of the weld is 5 millimeters and the diameter of the circular rod is 2 millimeters.

The diameter of a shaft is 100 millimeters. Calculate the width of the key.

If the rivet hole diameter is 19.5 millimeters, calculate the nominal diameter of the rivet.

Calculate the flexural rigidity of a beam, given that the bending moment of the beam is 20, Young's modulus is 2 x 105 newtons per square meter and the moment of inertia is 20 (millimeter)4.

In the above diagram, 's' is the length of the weld and 't' is the thread thickness. If 's' is 5 millimeters and 't' is 10 millimeters, calculate the area at the throat.

The value of the lateral strain in a steel rod is 100 meters and the value of the linear strain in the same rod is 300 meters. Calculate the Poisson's ratio.

The length of a weld under static loading is 70 millimeters and under fatigue loading is 150 millimeters. Calculate the effective length of the weld.

Which type of coupling is used when two shafts intersect at a small angle?

The value of the notch sensitivity factor of the material of the shaft is given below. Which value is the most desirable for the construction of the shaft?