Which bearing is Antifriction bearing A. Thick lubrication bearing B. Thin lubrication bearing C. Rolling or ball bearing D. None

Which bearing is Antifriction bearing

A. Thick lubrication bearing

B. Thin lubrication bearing

C. Rolling or ball bearing

D. None
by

1 Answer

Answer :

C. Rolling or ball bearing
by

Related questions

Rolling contact bearing is also called as A. Plastic bearing B. Thin lubrication bearing C. Thick lubrication bearing D. Antifriction bearing.

Description : Rolling contact bearing is also called as A. Plastic bearing B. Thin lubrication bearing C. Thick lubrication bearing D. Antifriction bearing.

Last Answer : D. Antifriction bearing.

The rolling contact bearings are known as (a) thick lubricated bearings (b) plastic bearings (c) thin lubricated bearings (d) antifriction bearings

Description : The rolling contact bearings are known as (a) thick lubricated bearings (b) plastic bearings (c) thin lubricated bearings (d) antifriction bearings

Last Answer : (d) antifriction bearings

Antifriction bearings are (a) thick lubricated bearings (b) plastic bearings (c) ball and roller bearings (d) thin lubricated bearings

Description : Antifriction bearings are (a) thick lubricated bearings (b) plastic bearings (c) ball and roller bearings (d) thin lubricated bearings

Last Answer : (c) ball and roller bearings

The purpose of lubrication in an antifriction bearing is (a) to reduce the friction between balls and races (b) dissipation of frictional heat prevention of corrosion (c) protection of the bearing from dirt and other foreign particles (d) all of the mentioned

Description : The purpose of lubrication in an antifriction bearing is (a) to reduce the friction between balls and races (b) dissipation of frictional heat prevention of corrosion (c) protection of the bearing from dirt and other foreign particles (d) all of the mentioned

Last Answer : (d) all of the mentioned

Which one of the following pair is correctly matched? [IES-2000] (a) Beauchamp tower ........................First experiments on journal bearings (b) Osborne Reynolds ........................Antifriction bearings (c) Somerfield number........................Pivot and Collar bearings (d) Ball bearings...............................Hydrodynamic lubrication

Description : Which one of the following pair is correctly matched? [IES-2000] (a) Beauchamp tower ........................First experiments on journal bearings (b) Osborne Reynolds ........................ ... .Pivot and Collar bearings (d) Ball bearings...............................Hydrodynamic lubrication

Last Answer : (a) Beauchamp tower ........................First experiments on journal bearings

An antifriction bearing consists of (a) rolling elements (b) races (c) cages (d) all of the listed

Description : An antifriction bearing consists of (a) rolling elements (b) races (c) cages (d) all of the listed

Last Answer : (d) all of the listed

A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction. a) Sliding, Axial b) Rolling, Radial c) Sliding, Radial d) Rolling, Axial

Description : A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction. a) Sliding, Axial b) Rolling, Radial c) Sliding, Radial d) Rolling, Axial

Last Answer : c) Sliding, Radial

Antifriction bearings are (a) sleeve bearings (b) hydrodynamic bearings (c) thin lubricated bearings (d) none of the mentioned

Description : Antifriction bearings are (a) sleeve bearings (b) hydrodynamic bearings (c) thin lubricated bearings (d) none of the mentioned

Last Answer : (d) none of the mentioned

Antifriction bearings are A. Sleeve bearings B. Hydrodynamic bearings C. Thin lubricated bearings D. None of the above

Description : Antifriction bearings are A. Sleeve bearings B. Hydrodynamic bearings C. Thin lubricated bearings D. None of the above

Last Answer : D. None of the above

Boundary lubricated bearing is (A) Thick film bearing (B) Thin film bearing (C) Hydrodynamic bearing (D) Hydrostatic bearing

Description : Boundary lubricated bearing is (A) Thick film bearing (B) Thin film bearing (C) Hydrodynamic bearing (D) Hydrostatic bearing

Last Answer : (B) Thin film bearing

Which of the following is an antifriction bearing? (a) journal bearing (b) collar bearing (c) needle bearing (d) pivot bearing

Description : Which of the following is an antifriction bearing? (a) journal bearing (b) collar bearing (c) needle bearing (d) pivot bearing

Last Answer : (c) needle bearing

Which one of the following parts of a ball bearing acts as a barrier between the balls preventing them from bumping into each other? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Description : Which one of the following parts of a ball bearing acts as a barrier between the balls preventing them from bumping into each other? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Last Answer : (d) Cage

Which one of the following parts of a ball bearing is mounted to the housing and is stationary? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Description : Which one of the following parts of a ball bearing is mounted to the housing and is stationary? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Last Answer : (b) Outer race

Which one of the following parts of a ball bearing is mounted on the rotating shafts and tends to rotate the shaft? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Description : Which one of the following parts of a ball bearing is mounted on the rotating shafts and tends to rotate the shaft? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Last Answer : (a) Inner race

Thick film lubrication describes a phenomenon where two surfaces are _______ separated. a) Completely b) Partially c) Not d) None of the mentioned

Description : Thick film lubrication describes a phenomenon where two surfaces are _______ separated. a) Completely b) Partially c) Not d) None of the mentioned

Last Answer : a) Completely

Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true

Description : Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a ... explanation of A (c) A is true but R is false (d) A is false but R is true

Last Answer : (c) A is true but R is false

Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is generated by the rotation of the journal. [IES-1998] (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true

Description : Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is ... (c) A is true but R is false (d) A is false but R is true

Last Answer : (b) Both A and R are individually true but R is not the correct explanation of A

Consider the following statements: [IES 2007] For a journal rotating in a bearing under film lubrication conditions, the frictional resistance is- 1. Proportional to the area of contact 2. Proportional to the viscosity of lubricant 3. Proportional to the speed of rotation 4. Independent of the pressure Which of the statements given above are correct? (a) 1, 2, 3 and 4 (b) 1 and 4 only (c) 2, 3 and 4 only (d) 2 and 3 only

Description : Consider the following statements: [IES 2007] For a journal rotating in a bearing under film lubrication conditions, the frictional resistance is- 1. Proportional to the area of contact 2. Proportional to the viscosity of lubricant 3. ... 4 (b) 1 and 4 only (c) 2, 3 and 4 only (d) 2 and 3 only

Last Answer : (a) 1, 2, 3 and 4

A journal bearing with hydrodynamic lubrication is running steadily with a certain amount of minimum film thickness. When the load and speed are doubled, how does the minimum film thickness vary? [IES-2008] (a) Remains unchanged (b) Gets doubled (c) Gets reduced to one-fourth of original value (d) Gets reduced to half of original value

Description : A journal bearing with hydrodynamic lubrication is running steadily with a certain amount of minimum film thickness. When the load and speed are doubled, how does the minimum film thickness vary? [IES-2008 ... Gets reduced to one-fourth of original value (d) Gets reduced to half of original value

Last Answer : (a) Remains unchanged

For elasto-hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For elasto-hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (C) There should be elastic deformation of the parts in contact

For hydrostatic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For hydrostatic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (B) There should be external source like pump to supply lubricant under pressure

For hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space

_______is suitable as a lubricant for heavy-duty applications of rolling contact bearing. (a) Grease (b) Lubricating oil (c) Graphite (d) Air

Description : _______is suitable as a lubricant for heavy-duty applications of rolling contact bearing. (a) Grease (b) Lubricating oil (c) Graphite (d) Air

Last Answer : (b) Lubricating oil

________is suitable as a lubricant for low and moderate loads applications of rolling contact bearing. (a) Grease (b) Lubricating oil (c) Graphite (d) Air

Description : ________is suitable as a lubricant for low and moderate loads applications of rolling contact bearing. (a) Grease (b) Lubricating oil (c) Graphite (d) Air

Last Answer : (a) Grease

A rolling contact bearing is specified as X307. Calculate the bearing diameter. (a) 35 mm (b) 28 mm (c) 21 mm (d) 7 mm

Description : A rolling contact bearing is specified as X307. Calculate the bearing diameter. (a) 35 mm (b) 28 mm (c) 21 mm (d) 7 mm

Last Answer : (a) 35 mm

The listed life of a rolling bearing, in a catalog is the, (a) minimum expected life (b) maximum expected life (c) average life (d) none of the mentioned

Description : The listed life of a rolling bearing, in a catalog is the, (a) minimum expected life (b) maximum expected life (c) average life (d) none of the mentioned

Last Answer : (a) minimum expected life

A rolling contact bearing is specified as X307. Determine the series. a) Extra light series b) Light series c) Medium series d) Heavy series

Description : A rolling contact bearing is specified as X307. Determine the series. a) Extra light series b) Light series c) Medium series d) Heavy series

Last Answer : c) Medium series

Muff coupling is designed as a ......... A. Thick cylinder B. Thin cylinder C. Solid shaft D. Hollow shaft

Description : Muff coupling is designed as a ......... A. Thick cylinder B. Thin cylinder C. Solid shaft D. Hollow shaft

Last Answer : D. Hollow shaft

The antifriction bearings (a) have low starting and low running friction at moderate speeds (b) have a high initial cost (c) can carry both radial and thrust loads (d) all the mentioned

Description : The antifriction bearings (a) have low starting and low running friction at moderate speeds (b) have a high initial cost (c) can carry both radial and thrust loads (d) all the mentioned

Last Answer : (d) all the mentioned

Which one of the following types of bearings is employed in shafts of gearboxes of automobiles? [IES-1999] (a) Hydrodynamic journal bearings (b) Multi-lobed journal bearings (c) Antifriction bearings (d) Hybrid journal bearings

Description : Which one of the following types of bearings is employed in shafts of gearboxes of automobiles? [IES-1999] (a) Hydrodynamic journal bearings (b) Multi-lobed journal bearings (c) Antifriction bearings (d) Hybrid journal bearings

Last Answer : (c) Antifriction bearings

A thick film bearing is a bearing (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant (B) Where the surfaces of journal and the bearing are partially separated by a film of lubricant and there is partial metal to metal contact (C) Where the surfaces of journal and the bearing are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Description : A thick film bearing is a bearing (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant (B) Where the surfaces of journal and the bearing are partially ... are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Last Answer : (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant

A zero film bearing is a bearing (A) Where the surfaces of journal and the bearing are separated by a thick film of lubricant (B) Where the surfaces of journal and the bearing are partially separated by a film of lubricant and there is partial metal to metal contact (C) Where the surfaces of journal and the bearing are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Description : A zero film bearing is a bearing (A) Where the surfaces of journal and the bearing are separated by a thick film of lubricant (B) Where the surfaces of journal and the bearing are partially ... bearing are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Last Answer : (D) Where there is no lubricant

A thin film bearing is a bearing (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant (B) Where the surfaces of journal and the bearing are partially separated by a film of lubricant and there is partial metal to metal contact (C) Where the surfaces of journal and the bearing are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Description : A thin film bearing is a bearing (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant (B) Where the surfaces of journal and the bearing are partially ... are separated by a film created by elastic deflection of parts (D) Where there is no lubricant

Last Answer : (B) Where the surfaces of journal and the bearing are partially separated by a film of lubricant and there is partial metal to metal contact

The failure of ball bearings used in electric motors can result from _____________. A. failure to clean the bearing before repacking B. failure to maintain proper alignment C. excess lubrication forcing the bearing full of grease and eliminating all areas of expansion D. all of the above

Description : The failure of ball bearings used in electric motors can result from _____________. A. failure to clean the bearing before repacking B. failure to maintain proper alignment C. excess lubrication forcing the bearing full of grease and eliminating all areas of expansion D. all of the above

Last Answer : Answer: D

The only point in the steering stand shown in the illustration which needs periodic lubrication is the ______________. EL-0098 A. repeater assembly ball bearings B. steering wheel bearing C. operation selector switch D. course selector pointer

Description : The only point in the steering stand shown in the illustration which needs periodic lubrication is the ______________. EL-0098 A. repeater assembly ball bearings B. steering wheel bearing C. operation selector switch D. course selector pointer

Last Answer : Answer: B

The ball bearing is subjected to a radial load of 4000 N. Expected life for 90% bearings is 9000 hr and the shaft is rot (a) 42.21 kN (b) 37.29 kN (c) 26.33 kN (d) 35.22 kN

Description : The ball bearing is subjected to a radial load of 4000 N. Expected life for 90% bearings is 9000 hr and the shaft is rot (a) 42.21 kN (b) 37.29 kN (c) 26.33 kN (d) 35.22 kN

Last Answer : (b) 37.29 kN

The life of an individual ball bearing is the time period for which it works without any signs of failures. (a) True (b) False

Description : The life of an individual ball bearing is the time period for which it works without any signs of failures. (a) True (b) False

Last Answer : (b) False

What type of bearing will you recommend for use in the conveyor belt roller? (a) Ball-bearing (b) Roller bearing (c) Magnetic bearing (d) None of the mentioned

Description : What type of bearing will you recommend for use in the conveyor belt roller? (a) Ball-bearing (b) Roller bearing (c) Magnetic bearing (d) None of the mentioned

Last Answer : (b) Roller bearing

A cylinder roller creates lesser noise than a deep groove ball bearing. (a) True (b) False

Description : A cylinder roller creates lesser noise than a deep groove ball bearing. (a) True (b) False

Last Answer : (b) False

Which of the following cannot tolerate misalignment? (a) Angular contact bearing (b) Cylinder roller bearing (c) Thrust ball bearings (d) All of the listed

Description : Which of the following cannot tolerate misalignment? (a) Angular contact bearing (b) Cylinder roller bearing (c) Thrust ball bearings (d) All of the listed

Last Answer : (d) All of the listed

Which one of the following bearing is intended for a very heavy radial load? (a) Ball bearing (b) Self-aligning roller bearing (c) Roller bearing (d) Thrust bearing

Description : Which one of the following bearing is intended for a very heavy radial load? (a) Ball bearing (b) Self-aligning roller bearing (c) Roller bearing (d) Thrust bearing

Last Answer : (b) Self-aligning roller bearing

Which of the following cannot take the radial load? (a) Cylindrical Roller bearing (b) Taper roller bearing (c) Thrust ball bearing (d) Spherical roller bearing

Description : Which of the following cannot take the radial load? (a) Cylindrical Roller bearing (b) Taper roller bearing (c) Thrust ball bearing (d) Spherical roller bearing

Last Answer : (c) Thrust ball bearing

Which of the bearings given below SHOULD NOT be subjected to a thrust load? (a) Deep groove ball bearing (b) Angular contact ball bearing (c) Cylindrical (straight) roller bearing (d) Single row tapered roller bearing

Description : Which of the bearings given below SHOULD NOT be subjected to a thrust load? (a) Deep groove ball bearing (b) Angular contact ball bearing (c) Cylindrical (straight) roller bearing (d) Single row tapered roller bearing

Last Answer : (c) Cylindrical (straight) roller bearing

Cylindrical roller bearing has a lower load capacity as compared to deep groove ball bearing. (a) True (b) False

Description : Cylindrical roller bearing has a lower load capacity as compared to deep groove ball bearing. (a) True (b) False

Last Answer : (b) False

The deep groove ball bearing has immense rigidity. (a) True (b) No, it has point contact and hence low rigidity (c) It has surface contact (d) It has line contact

Description : The deep groove ball bearing has immense rigidity. (a) True (b) No, it has point contact and hence low rigidity (c) It has surface contact (d) It has line contact

Last Answer : (b) No, it has point contact and hence low rigidity

Which of the following bearing is preferred for oscillating conditions? (a) Double row roller bearing (b) Taper roller bearing (c) Needle roller bearing (d) Angular contact single row ball bearing

Description : Which of the following bearing is preferred for oscillating conditions? (a) Double row roller bearing (b) Taper roller bearing (c) Needle roller bearing (d) Angular contact single row ball bearing

Last Answer : (c) Needle roller bearing

Match List -I (Bearings) with List-II (Applications) and select the using the codes given below the lists: [IAS-1998] List –I List-II A. Journal bearing 1. Electric motors B. Thrust bearing 2. Watches C. Conical pivot bearing 3. Marine engines D. Ball bearing 4. Swivelling chairs A B C D A B C D (a) 3 4 1 2 (b) 4 2 1 3 (c) 3 4 2 1 (d) 4 2 3 1

Description : Match List -I (Bearings) with List-II (Applications) and select the using the codes given below the lists: [IAS-1998] List -I List-II A. Journal bearing 1. Electric motors B. Thrust bearing 2. Watches C. Conical pivot bearing 3. Marine ... D (a) 3 4 1 2 (b) 4 2 1 3 (c) 3 4 2 1 (d) 4 2 3 1

Last Answer : (c) 3 4 2 1

The most suitable bearing for carrying very heavy loads with slow speed is (a) Hydrodynamic bearing (b) ball bearing [IAS 1994] (c) Roller bearing (d) hydrostatic bearing

Description : The most suitable bearing for carrying very heavy loads with slow speed is (a) Hydrodynamic bearing (b) ball bearing [IAS 1994] (c) Roller bearing (d) hydrostatic bearing

Last Answer : (d) hydrostatic bearing

Match List-I (Type of Anti-friction bearing) with List-II (Specific Use) and select the using the code given below the Lists: [IES-2006] List-I List -II A. Self-aligning ball bearing 1. For pure axial load B. Taper roller bearing 2. For hinged condition C. Deep groove ball bearing 3. For pure radial load D. Thrust ball bearing 4. For axial and radial load A B C D A B C D (a) 2 1 3 4 (b) 3 4 2 1 (c) 2 4 3 1 (d) 3 1 2 4

Description : Match List-I (Type of Anti-friction bearing) with List-II (Specific Use) and select the using the code given below the Lists: [IES-2006] List-I List -II A. Self-aligning ball bearing 1. For pure axial load B. Taper roller bearing 2. For ... C D (a) 2 1 3 4 (b) 3 4 2 1 (c) 2 4 3 1 (d) 3 1 2 4

Last Answer : (c) 2 4 3 1

Match List I with List II and select the : [IES-2002] List I (Bearings) List II (Load type) A. Hydrodynamic Journal bearing 1. High radial and thrust load combined B. Rectangular Hydrostatic bearing 2. Radial load only C. Taper Roller bearing 3. Thrust load only D. Angular contact ball bearing 4. Medium to low radial and thrust combined A B C D A B C D (a) 2 3 1 4 (b) 4 1 3 2 (c) 2 1 3 4 (d) 4 3 1 2

Description : Match List I with List II and select the : [IES-2002] List I (Bearings) List II (Load type) A. Hydrodynamic Journal bearing 1. High radial and thrust load combined B. Rectangular Hydrostatic bearing 2. Radial load only C. Taper Roller ... (a) 2 3 1 4 (b) 4 1 3 2 (c) 2 1 3 4 (d) 4 3 1 2

Last Answer : (a) 2 3 1 4