Belts

Question 1

Advantage of V belt

Answer 1

No lube
cost effective
absorb shock
slip on overload

Question 2

Minimum arc of contact for a belt

Answer 2

120 degrees

Question 3

Belt terminology for loss of driving speed due to the lengthening and shortening of the belt as it cycles from the slack side to the tight side

Answer 3

creep

Question 4

Belt terminology for increase in length of the belt over the period of time that it is in service

Answer 4

stretch

Question 5

V series belt designated by ABCDE

Answer 5

classical series

Question 6

V belt designed for its flexibility and bending

Answer 6

cogged raw edge

Question 7

V belt designed to solve problems of belt vibration, whip and turnover

Answer 7

banded belt

Question 8

V belt designed to transmit power on either side

Answer 8

double V

Question 9

V belt designed for low horsepower

Answer 9

fractional horsepower

Question 10

belt designated by AX BX CX

Answer 10

cogged raw edge

Question 11

belt designated # of bands /Cx580

Answer 11

banded belt

Question 12

Belt designated AA BB CC

Answer 12

double V

Question 13

belt designated 2L 3L 4L 5L

Answer 13

fractional horsepower

Question 14

belt designated by 3V 5V 8V

Answer 14

high capacity V belts

Question 15

Why are high capacity V belts preferred over normal V belt

Answer 15

more tensile members, more narrow allowing for smaller sheaves

Question 16

V belt that is flat with ribbed driving face. They are thin with well supported tensile member

Answer 16

Poly V belt

Question 17

Tempurature belts are rated for

Answer 17

60 celsius

Question 18

Contact needed for a timing belt

Answer 18

60 degrees or 6 teeth

Question 19

3 types of timing belt

Answer 19

trapezoidal
rounded tooth
twin tooth

Question 20

timing belt with teeth on both side used in a serpentine system

Answer 20

twin tooth

Question 21

most common timing belt style

Answer 21

rounded tooth