Mechanics of Textile Machinery (MCQ : MODULE 2- Belt Drives )

 

Question 1: To absorb more vibrations and shock loads, the belts should be ?

Thinner and rectangular in cross section
Thinner and shorter in length
Inelastic and longer in length
Elastic and longer in length

Question 2: A flat belt is running at low speed (the effect of centrifugal force is negligible on power transmission). The coefficient of friction between the pulley and belt is 0.3. The angle of wrap of belt over the driving pulley is 180º. What will be the maximum possible tension ratio (output tension over input tension) that the belt will not slip?

2.57
2.67
2.77
2.87

Question 3: Round belt is used in

Air-jet texturing machine
Bale opener
Friction spinning machine
Ring spinning machine

Question 4: Clutching mechanism using flat belt usually has

Driving shaft mounted with loose pulley and driven shaft mounted with fast pulley
Driven shaft mounted with both loose and fast pulleys and driver shaft mounted with fast pulley
Both driver and driven shafts are mounted with both loose and fast pulleys
Driven shaft mounted with loose pulley and driver shaft mounted with fast pulley

Question 5: Stepped pulleys are usually found in

New ring spinning machine
Carding machine
Drawing machine
Air-jet texturing machine

Question 6: Pivoted motor drive is used to drive

Feed apron and bottom apron in bale opener
Feed roller and opening roller in bale opener
Evener roller and take-off roller in bale opener
Opening roller and evener roller in bale opener

Question 7: Idler tension pulley must be located

Next to driving pulley on loose side of belt
Next to driven pulley on loose side of belt
Next to driving pulley on tight side of belt
Next to driven pulley on tight side of belt

Question 8: Which of the drive is a positive drive

V belt
Flat belt
Toothed belt
Round belt

Question 9: Which one of the following combination is available in endless form?

Flat belt and V belt
Flat belt and round belt
Flat belt and tape
V belt and round belt

Question 10: In toothed belt drive, side discs are placed on

Driver wheel and driven wheel
Driver wheel and tension wheel
Driven wheel and tension wheel
None of the above

Question 11: Which one of the following drives is more accurate in transmitting speed and power

Toothed belt
Round belt
Tape
V belt

Check Score