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 : Taper is made cotter and slot on both the side. A. Yes B. No
Last Answer : B. No
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 : 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 : Taper rolling supports a) Axial loads b) Thrust loads c) Both axial and thrust loads d) None of the mentioned
Last Answer : c) Both axial and thrust loads
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 : 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 : 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 : 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 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 : 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 : 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 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 : 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 : In hydrodynamic bearing, when the shaft begins to rotate in clockwise direction, (A) The journal climbs to the right side of the bearing without metal to metal contact (B) The journal climbs to the left ... sinks down to the bottom of the bearing (D) The journal is at the center of the bearing
Last Answer : (A) The journal climbs to the right side of the bearing without metal to metal contact
Description : A sunk key fits in the keyway of the _____ only. a) Hub b) Sleeve c) Both hub and sleeve d) Neither hub nor sleeve
Last Answer : a) Hub
Description : Sunk key fits in the keyway of the .......... only. A. Sleeve B. Hub C. Both sleeve and hub D. neither sleeve and hub
Last Answer : B. Hub
Description : In case of sunk key, (A) The keyway is cut in the shaft only (B) The keyway is cut in the hub only (C) The keyway is cut in both the shaft and the hub (D) None of the above
Last Answer : (C) The keyway is cut in both the shaft and the hub
Description : The frog of the brick in a brick masonry is generally kept on (A) Bottom face (B) Top face (C) Shorter side (D) Longer side
Last Answer : Answer: Option B
Description : Saddle key is transmit power or torque through friction resistant only A. True B. False
Last Answer : A. True
Description : The key, which fits in the keyway of hub, only is called, (A) Saddle key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (A) Saddle key
Description : Find the bending stress in the top weld is if thickness of weld is t. Given P=15kN and e=120mm. a) 230/t b) 360/t c) 200/t d) None of the listed
Last Answer : b) 360/t
Description : Feather key can be used to prevent axial motion between two elements. a) True b) False
Last Answer : b) False
Description : Allen key is used to tighten (A) Cap screw with hexagonal head (B) Cap screw with fillister head (C) Cap screw with hexagonal socket head (D) Cap screw with flat head
Last Answer : (C) Cap screw with hexagonal socket head
Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed
Last Answer : b) 51.6N/mm2
Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed
Last Answer : b) 25.8N/mm2
Description : Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm2. The diameter of shaft and width of key can be taken as 40mm and 10mm respectively. a) 49mm b) 36mm c) 46mm d) 53mm
Last Answer : d) 53mm
Description : Woodruff key permits _____ movement b/w shaft and the hub. a) Axial b) Radial c) Eccentric d) None of the listed
Last Answer : b) Radial
Description : The main advantage of sunk key is that it is a _____ drive. a) Positive b) Negative c) Neutral d) None of the listed
Last Answer : a) Positive
Description : Saddle key is more suitable than sunk key for heavy duty applications. a) True b) False
Description : Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False
Description : In sunk key no slips occurs A. True B. False
Description : Sunk key is a .............. drive. A. Positive B. Negative C. Neutral D. None
Last Answer : A. Positive
Description : The compressive stress induced in a square key is, (A) Equal to shear stress (B) Four times of shear stress (C) Twice of shear stress (D) Half of shear stress
Last Answer : (C) Twice of shear stress
Description : The key in the form of semi-circular disk of uniform thickness is called, (A) Sunk key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (C) Woodruff key
Description : While designing a flange coupling, care is taken so that (A) Shaft is the weakest component (B) Bolts are the weakest component (C) Key is the weakest component (D) The flange is the weakest component
Last Answer : (C) Key is the weakest component
Description : The type of key used when the gear is required to slide on the shaft is (A) Sunk key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (B) Feather key
Description : The standard length for square or flat key in terms of shaft diameter (D) is, (A) d (B) 2d (C) 1.5d (D) 2.5d
Last Answer : (C) 1.5d
Description : Kennedy key is used in (A) Light duty applications (B) Heavy duty applications (C) High speed applications (D) Precision equipments
Last Answer : (B) Heavy duty applications
Description : The distribution of the forces along the length of key fitted in a shaft (A) Varies linearly (B) Is uniform throughout (C) Varies exponentially, being more near the torque-input end (D) Varies exponentially, being less near the torque-input end
Last Answer : (C) Varies exponentially, being more near the torque-input end
Description : Flywheel are generally made from (A) Cast Iron (B) High strength steel (C) Ceramics (D) All of the above
Last Answer : (D) All of the above