THEORY OF MACHINE QUIZ

Radial and tangential components both

Radial component only

Tangential component only

Coriolis component only

cosecφ

cosφ

secφ

sinφ

μ₁ = μ cos β

μ₁ = μ/sin β

μ₁ = μ sin β

μ₁ = μ/cos β

Angular acceleration

No acceleration

Linear acceleration

Both angular and linear accelerations

√(T/3m)

(T.g)/3

T/3

√(3m/T)

In machines, relative motion exists between its members, whereas same does not exist in case of structures

Machines modify movement and work, whereas structures modify forces

Machines transmit mechanical work, whereas structures transmit forces

Efficiency of machines as well as structures is below 100 %

Unpredictable

None of these

Same

Different

180°

0°

90°

270°

Sliding and turning pairs

Sliding pairs only

Sliding and rotary pairs

Turning and rotary pairs

Lead screw and nut

Journal bearing

Cam and follower

Ball and socket joint