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

1 Answer

Answer :

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

Related questions

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

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

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

Last Answer : V-Belt

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]

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.

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.

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.

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.

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

Last Answer : a) gears

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

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

Last Answer : A)ldler pulley

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?

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.

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.

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.

Description : What Are The Reasons For Slipping Of Belt?

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

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

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

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

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.

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.

Description : replace drive belt on a 2006 wildfire scooter

Last Answer : Need Answer

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.

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

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

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

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

Last Answer : c) Both (a) and (b)

Description : 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

Last Answer : a) Safety jump clutch

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

Description : 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

Last Answer : c) Both (a) and (b)

Description : Compare Belt Drive and Chain Drive

Last Answer : Particulars Belt drive Chain drive Slip Slip may occur No slip (Positive drive) Use For low Velocity Ratio For moderate Velocity Ratio Suitability For ... Installation cost Less Moderate Example Floor Mill, Compressor, Conveyors  Bicycle, Automobile

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

Description : 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

Last Answer : (A) Speed

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

Description : Ports of the Baltic Sea remain open for trade even during winter because - (1) It lies in the tropical belt (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Last Answer : (2) North Atlantic Drift, a warm ocean current flows in the region. Explanation: It is due to the North Atlantic Drift which is a warm water ocean current, an extension of the Gulf Stream. This current keep the ports along the coasts warm enough to stay open year around.

Description : Ports of the Baltic Sea remain open for trade even during winter because (1) It lies in the tropical belt. (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Last Answer : North Atlantic Drift, a warm ocean current flows in the region.

Description : On which analysis is based the Dulong’s formula for the heating value of fuel ?

Last Answer : On ultimate analysis.

Description : What is the formula to convert °F to °C?  a) °C = °F + 273  b) °C = 5/9 (°F - 32)  c) °C = 9/5 (°F)+32  d) None of the above

Last Answer : °C = 5/9 (°F - 32)

Description : What is the formula to convert °C to °F?  a) °F = °C + 273  b) °F = 5/9 (°C - 32)  c) °F = 9/5 (°C)+32  d) None of the above

Last Answer : momentum

Description : Calculate the power output in horsepower of an 80-kg man that climbs a flight of stairs 3.8 m high in 4.0 s.  a) 744.8 hp  b) 0.998 hp  c) 746 hp  d) 1.998 hp Formula: Power = Fd/t = mgh/t F = W = mg d = h

Last Answer : 0.998 hp

Description : How many Newton’s (N) in 900,000 dynes?  a) 8 Newton’s  b) 9 Newton’s  c) 7 Newton’s  d) 6 Newton’s Formula: 1Newton (N)=100,000dynes

Last Answer : 9 Newton’s

Description : 3 horsepower (hp) = _____________watts?  a) 1492 watts  b) 2238 watts  c) 746 watts  d) 2238 kilowatts Formula: 1hp= 746 watts

Last Answer : 2238 watts

Description : Two thick slices of bread, when completely oxidized by the body, can supply 200,000 cal of heat. How much work is this equivalent to?  a) 4,190,000 joules  b) 8,390,000 joules  c) 839, ... d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Last Answer : 419 000 joules

Description : How many joules of work is the equivalent of 15000 cal of heat?  a) 62850 joules  b) 3579.95 joules  c) 14995.81 joules  d) 15004.19 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

Last Answer : 62850 joules

Description : While swimming at depth of120m in a fresh water lake, A fish emits an air bubbles of volume 2.0mm³ atmospheric pressure is 100kPa. What is the pressure of the bubble?  a) 217.7 kPa  b) 317.7 kPa  c) 417.7 kPa  d) 517.7 kPa Formula: P= δh

Last Answer : 217.7 kPa

Description : The volume of a gas under standard atmospheric pressure & 76 cmHg is 200m³. What is the volume when pressure is 80 cmHg if the temperature is unchanged?  a) 180 in³  b) 170 in³  c) 160 in³  d) 190 in³ Formula: P2V2 = P1V1

Last Answer : 190 in³

Description : Assuming compression is according to the Law PV = C, Calculate the initial volume of the gas at a pressure of 2 bars w/c will occupy a volume of 6m³ when it is compressed to a pressure of 42 Bars.  a) 130m³  b) 136m³  c) 120m³  d) 126m³ Formula: P1V1/T1 =P2V2/T2

Last Answer : 126m³

Description : The pressure gauge on a 2000 m³ tank of oxygen gas reads 600 kPa. How much volumes will the oxygen occupied at pressure of the outside air 100 kPa?  a) 14026.5 m³  b) 15026.5 m³  c) 13026.5 m³  d) 16026.5 m³ Formula: P1V1/T1 =P2V2/T2

Last Answer : 14026.5 m³

Description : A 1-kg steam-water mixture at 1.0 MPa is contained in an inflexible tank. Heat is added until the pressure rises to 3.5 MPa and the temperature to 400°. Determine the heat added.  a) 1378.7 kJ  b) 1348.5 kJ  c) 1278,7 kJ  d) 1246,5 kJ Formula: Q = (h2 – p2v2) –(h1 –p1v1)

Last Answer : 1378.7 kJ

Description : A steam calorimeter receives steam from a pipe at 0.1 MPa and 20°SH. For a pipe steam pressure of 2 MPa, what is the quality of the steam?  a) 95.56%  b) 70.10%  c) 95.20%  d) 85.10% Formula: h1 = hf1 + x1hfg1

Last Answer : 265.4°C, 430.7kJ/kg, 71.4kJ/kg, 1.0327kJ/(kg)(K),502.1 kJ/kg

Description : A System has a temperature of 250°F. Convert this Value to °R?  a. 740°R  b.730°R  c. 720°R  d. 710°R formula: °R= °F + 460

Last Answer : 710°R