What Is The Formula To Find Out The Length Of A Belt In A Closed Belt Drive?

What Is The Formula To Find Out The Length Of A Belt In A Closed Belt Drive?
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1 Answer

Answer :

L = 2C + 1.57 (D +d ) + (D+d)2/ 4C
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Related questions

What Is The Formula To Find Out The Length Of A Belt In An Open Belt Drive?

Description : What Is The Formula To Find Out The Length Of A Belt In An Open Belt Drive?

Last Answer : L = 2C + 1.57 (D + d) + (D-d)2 /4C

Write Short Notes On Creep And Slip In Belt Drive?

Description : Write Short Notes On Creep And Slip In Belt Drive?

Last Answer :  The movement of belt upon the face of rim or outer surface of driver and driven pulleys within the area of arc of contact is called creep in belt drive.  If the belt is loosely fitted on pulleys, it slips down which is called slip in belt drive.

What Is Dressing In Belt Drive?

Description : What Is Dressing In Belt Drive?

Last Answer : To avoid slip or creep, the resin powder or paste is poured in between the outer surface of pulley and belt for increasing the tension is called dressing.

Define Crowning In Belt Drive?

Description : Define Crowning In Belt Drive?

Last Answer : The outer surface or face of rim of the pulley is made in convex form to keep the belt in center when it is in movement, it is called crowning.

What Is Meant By A Belt Drive?

Description : What Is Meant By A Belt Drive?

Last Answer : When power is driven from driver pulley to driven pulley by means of belt , it is known as belt drive. In open belt drive both the pulleys run in the same direction and in cross belt drive both the pulleys run in opposite direction to each other.

is used to transmit power from the engine to the main clutch. A. V-Belt C. open belt drive B. cross belt D. flat belt

Description : is used to transmit power from the engine to the main clutch. A. V-Belt C. open belt drive B. cross belt D. flat belt

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Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives

Description : Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives

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Length of open belt is given by formula a. L=[2C+( 2) (DI+D2)] + [ /4C] b. L=[2C+( 2) (DI+D2)] + [ /4C] c. L=[2C+( 2) (DI+D2)] + [ ] d. L=[2C+( 2) (DI D2)] + [ ]

Description : Length of open belt is given by formula a. L=[2C+( 2) (DI+D2)] + [ /4C] b. L=[2C+( 2) (DI+D2)] + [ /4C] c. L=[2C+( 2) (DI+D2)] + [ ] d. L=[2C+( 2) (DI D2)] + [ ]

Last Answer : a. L=[2C+( 2) (DI+D2)] + [ /4C]

Formula for average service life of belt at a given speed is a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100 b) Life(hrs)=[Total fatique rates / Belt length (mm)]*100 c) Life(hrs)=[Belt length (m)/ Total fatique rates]*100 d) None of the above

Description : Formula for average service life of belt at a given speed is a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100 b) Life(hrs)=[Total fatique rates / Belt length (mm)]*100 c) Life(hrs)=[Belt length (m)/ Total fatique rates]*100 d) None of the above

Last Answer : a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100

Let a closed system execute a state change for which the heat is Q = 100 J and work is W = -25 J. Find E. ∆ (Formula: E = Q- W) ∆  a. 125 J  b. 123 J  c. 126 J  d. None of the above

Description : Let a closed system execute a state change for which the heat is Q = 100 J and work is W = -25 J. Find E. ∆ (Formula: E = Q- W) ∆  a. 125 J  b. 123 J  c. 126 J  d. None of the above

Last Answer : 125 J

The standard angle between the sides of a V-belt is a.30? b.25? c.40? d.45? e.55?

Description : The standard angle between the sides of a V-belt is a.30? b.25? c.40? d.45? e.55?

Last Answer : a. 30?

What Are The Advantages And Disadvantages Of V Belt?

Description : What Are The Advantages And Disadvantages Of V Belt?

Last Answer :  The main advantages of V belt are it has more gripping power, long life and it occupies less space.  Disadvantages are it is not fit for long distances and cross belt drive.

What Are The Rules For Belt Drives?

Description : What Are The Rules For Belt Drives?

Last Answer :  The distance between two pulleys should not be less than three times the diameter of the larger pulley.  The slack side should be uppermost which may increase the arc of contact.  The ratio of ... should not exceed 6:1.  If necessary ,a jockey pulley should be used to minimize the slip.

What Are The Points To Be Noted When Selecting A Belt?

Description : What Are The Points To Be Noted When Selecting A Belt?

Last Answer :  Load of the machine.  Speed of the machine.  Capacity of machine.  Atmosphere of the climate.

What Are The Reasons For Slipping Of Belt?

Description : What Are The Reasons For Slipping Of Belt?

Last Answer :  The belt is loosely fitted.  Overloading on belt drive.  Misalignment of pulleys.

seed drill can be tested by a) sand bed method b) sticky belt methods c) both d) none of these Ans. c

Description : seed drill can be tested by a) sand bed method b) sticky belt methods c) both d) none of these Ans. c

Last Answer : ans c

The two types of cylinders used on power wheat threshers are 1. Serrated disc and rasp bar 2.gears and belt pulleys 3. belt pulleys and chains 4 none of the above

Description : The two types of cylinders used on power wheat threshers are 1. Serrated disc and rasp bar 2.gears and belt pulleys 3. belt pulleys and chains 4 none of the above

Last Answer : ans 2

V-Belt has efficiency and its works as a Shock absorber. a. Low c) High b. Very low d) Very High

Description : V-Belt has efficiency and its works as a Shock absorber. a. Low c) High b. Very low d) Very High

Last Answer : High

are the labelling of cutter bar. a) Shoe, ledger plate, wearing plate, knife, knife section, etc. b) Star wheel, engine, cage wheel, etc. c) both A & B d) Conveyor belt, cutter bar, rivers, etc

Description : are the labelling of cutter bar. a) Shoe, ledger plate, wearing plate, knife, knife section, etc. b) Star wheel, engine, cage wheel, etc. c) both A & B d) Conveyor belt, cutter bar, rivers, etc

Last Answer : Shoe, ledger plate, wearing plate, knife, knife section, etc.

When you get into your car to drive, do you strap the seat belt and then turn the key, or do you turn the car on first and then strap in?

Description : When you get into your car to drive, do you strap the seat belt and then turn the key, or do you turn the car on first and then strap in?

Last Answer : The vehicles that I use for transportation have no seatbelts.

replace drive belt on a 2006 wildfire scooter

Description : replace drive belt on a 2006 wildfire scooter

Last Answer : Need Answer

How do I replace the mower drive belt on a Cub Cadet 1042LT lawn tractor?

Description : How do I replace the mower drive belt on a Cub Cadet 1042LT lawn tractor?

Last Answer : Release the mowing deck. Lift the mowing deck to gain access to the underside of the tractor. Pull the old belt off the engine pulley. Remove the retainer clip holding the pulley bolt and the ... idler pulley and then around the engine pulley. Replace the deck housing and then the retainer springs.

If i have a time belt leak how long can i drive?

Description : If i have a time belt leak how long can i drive?

Last Answer : I have a timing belt leak, can I continue to drive

The BAS mild hybrid system used………. To start the internal combustion engine. a. Belt drive b. Chain drive c. Direct drive d. None of the above.

Description : The BAS mild hybrid system used………. To start the internal combustion engine. a. Belt drive b. Chain drive c. Direct drive d. None of the above.

Last Answer : a. Belt drive

Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above

Description : Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above

Last Answer : d. all the above

Desired tension in an open belt drive system can be maintained (without changing center to center distance between two pulley)by using A)ldler pulley. B)slide rail C) Tilting angle. D)none of the above

Description : Desired tension in an open belt drive system can be maintained (without changing center to center distance between two pulley)by using A)ldler pulley. B)slide rail C) Tilting angle. D)none of the above

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When V-belt drive is used a safety device, its performance is affected by a) Variation in belt tention b) Increase in coefficient of friction as belt slippage increase c) Both (a) and (b) d) None of the above

Description : When V-belt drive is used a safety device, its performance is affected by a) Variation in belt tention b) Increase in coefficient of friction as belt slippage increase c) Both (a) and (b) d) None of the above

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When frequency of occurrence of overload is less and magnitude of overload is also less than safety device used is a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive

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When frequency of occurrence of overload is less but the mangnitude of overload is large than safety device used is: a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive

Description : When frequency of occurrence of overload is less but the mangnitude of overload is large than safety device used is: a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive

Last Answer : b) Shear device

V-belt drive transmission system is used when it is designed to achieve a) High speed ratio b) Space requirements are limited c) Both (a) and (b) d) None of the above

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Compare Belt Drive and Chain Drive

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Description : Differentiate between belt drive and gear drive. 

Last Answer : Difference between Belt and Gear Drive: Basis Belt Drive Gear Drive Power transmitting capacity Less High Slip & Creep  Occurs No Material used ... remain constant Remain constant Use Low to moderate power transmission  High power transmission

The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. (A) Speed (B) Thickness (C) Length (D) None of these

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Last Answer : (A) Speed

Tortuosity of a meandering river is the ratio of (A) Meander belt to meander length (B) Meander length to meander belt (C) Curved length along the channel to the direct axial length of the river reach (D) Direct axial length of the river reach to curved length along the channel

Description : Tortuosity of a meandering river is the ratio of (A) Meander belt to meander length (B) Meander length to meander belt (C) Curved length along the channel to the direct axial length of the river reach (D) Direct axial length of the river reach to curved length along the channel

Last Answer : Answer: Option C

With reference to NC machines, which of the following statements is wrong a.Both closed-loop and open-loop control systems are used b.Paper tapes, floppy tapes and cassettes are used for data storage c.Digitizers may be used as interactive input devices d.Post processor is an item of hardware

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The ___________ is used to create a surface using curves that form closed boundaries a.ruled Surface b.plane Surface c.coons patch d.surface of Revolution

Description : The ___________ is used to create a surface using curves that form closed boundaries a.ruled Surface b.plane Surface c.coons patch d.surface of Revolution

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Last Answer : c. Only if the total work done by the particle in moving around in a closed trajectory is zero

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Last Answer : (B) Liquid cooling system of an automobile

This type thresher consists of beater mounted on a shaft which rotates inside a closed casing and concave. a. Hammer mill b. Spike tooth d. None of above

Description : This type thresher consists of beater mounted on a shaft which rotates inside a closed casing and concave. a. Hammer mill b. Spike tooth d. None of above

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are mounted on the Periphery of a cylinder that rotates inside a closed casing and concave. a) Dummy type c) spike-tooth type b) Hummer type d) Axial flow type

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Last Answer : Open system

What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

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Which of the following is the work done for a closed reversible isometric system?  a. negative  b. positive  c. zero  d. undefined

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What do you call a system in which there is a flow of matter through the boundary?  a. Closed system  b. Open system  c. Isolated system  d. All of these

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