Calculate the force acting on the each pin in flexible coupling if torque transmitted is 397N-m and PCD=120mm with number of pins 6.
a) 1400.3N
b) 1102.8N
c) 1320.3N
d) None of the listed
If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m.a) 51234.4Nb) 45968.3Nc) 41666.7Nd) None of the listed
If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm².a) 27mmb) 25mmc) 23mmd) 21mm
The layout of a shaft supported on bearings at A & B is shown. Power is supplied by means of a vertical belt on pulley B which is then transmitted to pulley C carrying a horizontal belt. The angle of wrap is 180’ and coefficient of friction is 0.3. Maximum permissible tension in the rope is 3kN. The radius of pulley at B & C is 300mm and 150mm. Calculate the torque supplied to the shaft.a) 453.5N-mb) 549.3N-mc) 657.3N-md) None...
Determine the diameter of the bolts used in rigid flange coupling if transmitted torque is 270N-m, pitch circle diameter=125mm and four bolts are emplace in the coupling. Permissible shear stress in the bolts is 70N/mm².a) 3.8mmb) 3.6mmc) 4.4mmd) 4mm
A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key.a) 30.2N/mm²b) 25.8N/mm²c) 34.4N/mm²d) None of the listed
A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key.a) 70.1 N/mm²b) 51.6N/mm²c) 45.5N/mm²d) None of the listed
If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling.a) 80mmb) 140mmc) 100mmd) 120mm
If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be?a) 6.4mmb) 5.6mmc) 6.1mmd) 5.9mm
Find the thickness of the weld is if allowable shear stress in the welds is 70N/mm². Given P=15kN and e=120mm.a) None of the listedb) 3.35mmc) 4mmd) 4.73mm
Entire torque is transmitted by friction in the clamp coupling.a) Trueb) False