WorksheetsIntroduction to shaft
Total questions: 15
Worksheet time: 15mins
The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends.
Minimum, maximum
Maximum, minimum
Minimum, minimum
Zero, infinity
______ is used for a shaft that supports rotating elements like wheels, drums or rope sleaves.
Spindle
Axle
bearing
None of the listed
Axle is frequently used in torque transmission.
True
False
Is it necessary for an axle to be ______ with respect to rotating element?
Stationary
Moving
Moving or stationary
None of the listed
Counter shaft is a secondary shaft.
True
False
Hot rolling produces a stronger shaft then cold rolling.
True
False
Shafts are subjected to ______ forces.
Compressive
Tensile
Shear
None of the listed
Which of the following act on shafts?
Torsional moment
Bending Moment
Both torsional and bending
None of the mentioned
When the shaft is subjected to pure bending moment, the bending stress is given by?
None of the listed
32M/πdᵌ
16M/πdᵌ
8M/πdᵌ
When the shaft is subjected to pure torsional moment, the torsional stress is given by?
None of the listed
32M/πdᵌ
16M/πdᵌ
8M/πdᵌ
Label the figure accordingly
1: Pulley 2: Bearing 3: Shaft 4: Fastener
1: Pulley 2: Shaft 3: Bearing 4: Fastener
1: Bearing 2: Pulley 3: Shaft 4: Fastener
a) 1: Fastener 2: Pulley 3: Shaft 4: Bearing
Common torque transfer elements are; except
Keys
Splines
Setscrews
axles
Shafts usually don’t need to be surface hardened unless they serve as the actual journal of a bearing surface.
True
False
Critical locations will usually be on the outer surface , at axial locations where the bending moment is........... , where the torque is.............,
large, present
large, nullified
small, zero
small, present
Total new Covid 19 cases in Malaysia 21/1/2021?
4008
3170
4003
3810
