The thickness of a boiler plate is 25 mm, the diameter of rivet used in the boiler joint is :
The shear strength tensile strength and compressive strength of a rivet joint are 100 N, 120 N and 150 N respectively. If strength of the unriveted plate is 200 N, the efficiency of rivet joint is.
A fillet weld is loaded parallel to its length ‘’ by a load P. If the weld leg is h, the average shear stress on the throat area is
If the ratio of the diameter of rivet hole to the pitch of rivets is 0.25, then the tearing efficiency of joint is-
A 60mm long and 6mm thick fillet weld carries a steady load of 15KN along the weld. The shear strength of the weld material is equal to 200 MPa. The factor of safety FOS) is:
In a fillet welded joint, the weakest area of the weld is
Consider the following statement regarding wielded joints
1. It is reliable and economical for Pressure vessel construction
2. Such joints are suitable for static loading
3. It is a permanent type of joint
4. Welding is a versatile and flexible metal joining process.
5. It is free from fabrication residual stresses.
Which of these statement are correct
Calculate strength of the welded joint shown below. When 70 MPa is the allowable shear stress for the weld material.
What are the advantages of smaller pressure angles?
What is the load stress factor for cast iron gear pair if BHN = 300?
The two gears are said to have conjugate motion if
In gears, interference takes place when …………
Gear teeth are made harder to avoid
The minimum number of teeth on the pinion to operate without interference in standard full height involute teeth gear mechanism with 20o pressure angle is
Rack and pinion arrangement is used for:
A solid shaft can resist a bending moment of 3KNm and a twisting moment of 4KNm together, then the maximum torque that can be applied is
A shaft transmits 2000KW of power at 200rad/s. Then the torque transmitted in KN-m is
If allowable shear stress in the shaft is 70N/mm2 and torsional and bending moments are =1185000N-mm and =330000N-mm respectively, then the diameter of the shaft is
If Yielding strength=400N/mm2, find the Permissible shear stress according to ASME standards.
A solid circular shaft is subjected to Pure torsion. The ratio of maximum shear stress to maximum normal stress at any point will be
Which of the following steel key is usually strong in failure by shear and crushing?
What is the shear stress acting on the outer surface of a hollow shaft subjected to a torque of 100Nm? The inner and outer diameter of the shaft is 15mm and 30mm respectively.
If the shaft diameter is 40mm, calculate the diameter of sleeves in Clamp Coupling?
If shaft diameter is 40mm, Calculate the length of sleeves in clamp coupling.
A muff Coupling is connecting two shafts. The torque involved is 700N-m. The shaft diameter is 40mm with length and breadth of the key being 12mm and 70mm respectively. Find the shear stress induced in key?
