M6 Materials And Hardware Sub-Module No 9(Quiz No:1)

Transmissions

Quiz

 

1. As the number of teeths in a gear decreases, the rotational speed of that gear……………?
   1.   Decreases
   2.   Increases
   3.   No effect
2. The gear with the input force is called the…………………?
   1.   Driven gear
   2.   Spur gear
   3.   Drive gear
3. A reduction gear in which the rev/m of the output shaft is reduced while the torque is increased……………………?
   1.   Step-up drive
   2.   Step-Down Drive
   3.   Step-back drive
4. Step-Down Drive is a reduction gear in which the rev/min of the output shaft is reduced while the torque is…………………?
   1.   Constant
   2.   Decreased
   3.   Increased
5. Chain links or attachments …………………………. be drilled and re-riveted ?
   1.   Can
   2.   Never
   3.   Aand b
6. ………………….. drive is used to rotate the driven pulley in the same direction of driving pulley ?
   1.   Close belt
   2.   Open belt
   3.   Crossed belt
7. A ……………..belt drive is used to rotate driven pulley in the opposite direction of driving pulley ?
   1.   Crossed
   2.   Open
   3.   Close
8. ……………... gears are used to change the plane of rotation ?
   1.   Intermediate
   2.   Worm
   3.   Bevel
9. This is a gear wheel which has more than one driving face ?
   1.   Intermediate
   2.   Compound
   3.   Bevel
10. …………. gears are like spur gears except that their teeth have been twisted at an angle from the gear center line ?
    1.   Helical
    2.   Compound
    3.   Bevel

Read More

M6 Materials And Hardware Sub-Module No 7(Quiz No:1)

Springs

Quiz

 

1. The invention of the …….. is considered to be one of the major advances of mankind ?
   1.   Electricity
   2.   Spring
   3.   Wheel
2. There are……... basic forces, which may be exerted on, and applied by springs ?
   1.   Two
   2.   Three
   3.   Four
3. Phosphor bronze has a minimum percentage of ……... copper content ?
   1.   0.75
   2.   0.8
   3.   0.9
4. ………….. wire has a higher fatigue life and sometimes is used for valve springs ?
   1.   Chrome-silicon steel
   2.   Oil-tempered spring
   3.   Music wire
5. ……….. springs are basically strait bars of metal with each end fashioned to engage a mechanism ?
   1.   Helical torsion springs
   2.   Spiral springs
   3.   Torsion bar
6. The………. is typically centered axially by a shaft and can be produced to have none-linear load absorbing characteristics ?
   1.   Belleville spring
   2.   Helical torsion springs
   3.   Flat springs
7. The ………. are most common on automobiles and trains ?
   1.   Spiral springs
   2.   Leaf spring
   3.   Torsion bar springs
8. This type of spring is sometimes known as a motor spring or a power spring ?
   1.   Helical torsion springs
   2.   Leaf springs
   3.   Spiral springs
9. Most springs are assumed linear and obey the ……... Law ?
   1.   Hooke's
   2.   Charles's
   3.   Newton's
10. The basic ways to store energy with a spring are ……..?
    1.   compression and torsion
    2.   compression, extension and torsion
    3.   compression and extension

Read More