## 1. Lewis equation in gears is used to find the

## 2. Buttress threads are usually found on

## 3. The acme threads are usually found on

## 4. The square threads are usually found on

## 5. A double fillet welded joint with parallel fillet weld of length '$$l$$' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

## 6. A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)

## 7. Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that

## 8. 18/8 steel contains

## 9. In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

## 10. Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.

## Read More Section(Machine Design)

Each Section contains maximum **100 MCQs question** on **Machine Design**. To get more questions visit other sections.