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
Description : Which of the following bearings carry thrust load in one direction? (a) Spherical roller thrust bearings (b) Taper roller bearings (c) Spherical roller thrust bearings and taper roller bearings (d) none of the mentioned
Last Answer : (c) Spherical roller thrust bearings and taper roller bearings
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
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
Description : The tapered roller bearings can take (a) radial load only (b) axial load only (c) both radial and axial loads (d) none of the mentioned
Last Answer : (c) both radial and axial loads
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
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
Description : Which of the following cannot take radial load? a) Cylindrical Roller bearing b) Taper roller bearing c) Thrust ball bearing d) None of the listed
Last Answer : c) Thrust ball bearing
Description : Which of the following isn’t the property of a taper roller bearing? (a) High rigidity (b) Easy dismantling (c) Take low radial and heavy loads (d) It is unsuitable for high speed applications
Last Answer : (c) Take low radial and heavy loads
Description : Which of the following isn’t the property of taper roller? a) High rigidity b) Easy dismantling c) Take low radial and heavy loads d) All are the properties of tapper roller
Last Answer : c) Take low radial and heavy loads
Description : Tapered roller bearings can take (a) radial load only (b) axial load only (c) both radial and axial loads and the ratio of these being greater than unity (d) both radial and axial loads and the ratio of these being less than unity
Last Answer : (c) both radial and axial loads and the ratio of these being greater than unity
Description : Load acting on bearing in its plane of rotation is called as a... A. Radial load B. Axial load C. Perpendicular load D. Thrust load
Last Answer : A. Radial load
Description : Footstep bearing is an axial load bearing. a) True b) Thrust load c) Shear load d) None of the listed
Last Answer : b) Thrust load
Description : A_______ bearing supports the load acting along the axis of the shaft. a) Thrust b) Radial c) Longitudinal d) Transversal
Last Answer : a) Thrust
Description : Angular contact bearing can take thrust as well as radial loads. (a) True (b) False
Last Answer : (a) True
Description : Deep groove ball bearings are used for (a) heavy thrust load only (b) the small angular displacement of shafts (c) radial load at high speed (d) combined thrust and radial loads at high speed
Last Answer : (d) combined thrust and radial loads at high speed
Description : Angular contact bearing can take thrust as well as radial loads. a) True b) False
Last Answer : a) True
Description : Consider the following pairs of types of bearings and applications: 1. Partial Journal bearing................... Rail wagon axles 2. Full journal bearing ......................Diesel engine crank-shaft 3. Radial bearing ... matched? [IES-2000] (a) 1 alone (b) 1 and 2 (c) 2 and 3 (d) 1, 2 and 3
Last Answer : (b) 1 and 2
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
Description : Which of the following elements is not used as a roller in roller bearings? (a) Cylindrical (b) Taper (c) Spherical (d) None of the mentioned
Last Answer : (d) None of the mentioned
Description : The taper on cotter and slot is fomed on both the location is agreed or not.. a) agree b) disagree
Last Answer : b) disagree
Description : Taper is made cotter and slot on both the side. A. Yes B. No
Last Answer : B. No
Description : Taper is given on key is generally.......... A. Top side only B. Bottom side only C. On both side D. Any side
Last Answer : A. Top side only
Description : Cotter joint is used when the members are subjected to which type of stresses? a) Axial tensile b) Axial compressive c) Axial tensile or compressive d) None of the mentioned
Last Answer : c) Axial tensile or compressive
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
Description : The rolling contact bearings as compared to sliding contact bearings have (a) small overall dimensions (b) accuracy of shaft alignment (c) low starting and low running friction except at very high speeds (d) all the mentioned
Description : In standard taper roller bearings, the angle of taper of the outer raceway is (a) 5° (b) 8° (c) 15° (d) 25°
Last Answer : (d) 25°
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
Description : Taper on Cotter is varies from A. 1 in 15 to 1 in 12 B. 1 in 20 to 1 in 15 C. 1 in 25 to 1 in 20 D. 1 in 48 to 1 in 24
Last Answer : D. 1 in 48 to 1 in 24
Description : Taper on rectangular sink key is ....... A. 1 in 16 B. 1 in 48 C. 1 in 100 D. 1 in 120
Last Answer : C. 1 in 100
Description : In angular contact bearings, ____ bearings are required to take thrust load in both directions. (a) 1 (b) 2 (c) 3 (d) 4
Last Answer : (b) 2
Description : In angular contact bearings, ____ bearings are required to take thrust load in both directions. a) 1 b) 4 c) 2 d) 3
Last Answer : c) 2
Description : In the expression of dynamic load capacity P=XVF r + YF a , Y stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (c) Thrust load factor
Description : In the expression of dynamic load capacity P=XVF r + YF a , X stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (b) Radial load factor
Description : In the expression of dynamic load capacity P=XVF r + YF a , V stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (a) Race rotation factor
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
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
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
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
Description : In the expression of dynamic load capacity P=XVF(r) + YF(a), V stands for ? a) Race rotation factor b) Radial factor c) Thrust factor d) None of the listed
Last Answer : a) Race rotation factor
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
Description : Certain types of radial bearings can also take thrust load. a) True b) False
Description : In axial thrust diagram, at which point bending moment is zero? (a) Point of contra-flexure (b) Point of inflection (c) Both a. and b. (d) None of the above
Last Answer : (c) Both a. and b.
Description : Tapper roller bearing are used in disc harrow because a) It can take heavy radial loads b) It can take both radial as well as end thrust c) It can operate effectively at low speed and in contact with dirt d) Both (b) and (c) are true
Last Answer : d) Both (b) and (c) are true
Description : Feather key can be used to prevent axial motion between two elements. a) True b) False
Last Answer : b) False
Description : The angular play bearing must be mounted without axial play. (a) Yes (b) Little tolerance is adjusted
Last Answer : (a) Yes
Description : A cotter joint is used to connect two __________ rods. A. Co-axial B. Perpendicular C. Parallel D. None of these
Last Answer : A. Co-axial
Description : The angular play bearing must be mounted without axial play. a) Yes b) Little tolerance is adjusted c) Little tolerance is necessary d) Can’t be stated
Last Answer : a) Yes
Description : Axial length of an unloaded helical compression spring is called (A) compressed length (B) solid length (C) free length (D) none of the above
Last Answer : (C) free length
Description : Axial length of the spring which is so compressed that the adjacent coils touch each other. (A) compressed length (B) solid length (C) free length (D) none of the above
Last Answer : (B) solid length