> Ans: e, 115. Hydraulic seals - Definition, Types, Diagram , Function, Failure, Application. Ans: a, 109.
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited (a) square (b) acme (c) buttress (d) BSW (e) metric. 27. We're also adept at deriving necessary information that's needed in industry but not addressed in the fastener standards -- Concepts like installation torque, re-use of fasteners, life expectancy of plated or coated fasteners. Ans: c, 110. The piston rod of a steam engine is usually connected to the crosshead by means of (a) bolted joint (b) kunckle joint (c) cotter joint (d) universal joint (e) universal coupling. Whether any core is required in wire ropes, 127.
The connecting rod bolts are tightened up with initial tension greater than the external load so that (a) joint may not open up (b) bolts are weakest elements (c) the resultant load on the bolt would not be affected by the external cyclic load (d) bolts … Ans: c, 120. Our knowledge of the industry standards, fastener technology, and fastener materials ensures an accurate and timely response to virtually any fastener related question. The fixtures used in a railway track are.
Ans: c, 113. Our knowledge of the industry standards, fastener technology, and fastener materials ensures an accurate and timely response to virtually any fastener related question. The shock absorbing capacity of a bolt can be increased by (a) tightening it properly (b) increasing shank diameter (c) grinding the shank (d) using washer (e) making shank diameter equal to core diameter of thread.
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Ans: b, 107. Quality, Engineering, & Lab Services > (e) 0.9 times the normal diameter of bolt.
Ans: d, 111. All Rights Reserved. The Fastenal … The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is, (a) the Oil film pressure is generated only by the rotation of the journal, 118. Ans: a, 104. Spring stiffness is (a) ratio of coil diameter to wire diameter (b) load required to produce unit deflection (c) its capability of storing energy (d) its ability to absorb shocks (e) none of the above. specifies following total number of grades of tolerances (a) 18 (b) 16 (c) 20 (d) 22 (e) 14. If you would like to prevent this website from using cookies, adjust the cookie settings in your browser. Fang nut and bolt is used for fixing _____ to sleepers. Three different weights fall from a certain height under vacuum. Thank you For Visiting. In cross or regular lay ropes (a) direction of twist of wires in strands is opposite to the direction of twist of strands (b) direction of twist of wires and strands are same (c) wires in two adjacent strands are twisted in opposite direction (d) wires are not twisted (e) none of the above. Whether any core is required in wire ropes (a) yes (b) no (c) sometimes (d) rarely (e) very often. Ans: d, 133.
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Copyright © 2020 Fastenal Company. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at, 138. Bearing plates are used on wooden sleepers. To increase the strength of a fish plate, the depth of fish plate is ____. I.S. Antifriction bearings are (a) sleeve bearings (b) hydrodynamic bearings (c) thin lubricated bearings (d) ball and roller bearings (e) none of the above. a) Steel. Ans: a, 119. 13. Ans: b, 108.
The Fastenal Engineering & Design Support group is familiar with the standards that cover the fasteners we sell. Ans: a, 114. Most fasteners are made to comply with one or more standards. Services & Solutions > The fixture used to join rails is fish plates. Dog spikes are commonly used for Wooden sleepers, a) Dog boltsb) Fang boltsc) Fish boltsd) None of these, a) Bearing plateb) Fish platesc) Keysd) Spikes. Bearing plates are used on ____ sleepers. Forests … Three different weights fall from a certain height under vacuum.
In V-belt drive, belt touches (a) at bottom (b) at sides only (c) both at bottom and sides (d) could touch anywhere (e) none of the above.
English But considering that the Industrial Fasteners Institute (IFI) book (the "Bible" of fastener standards) weighs over 7 pounds, it's impossible to preemptively address all potential standard-related questions. Cookies are not used for the processing, collection or storage of personal data under any circumstances. They will take, (b) times proportional to weight to reach earth, (c) times inversely proportional to weight to reach earth, (a) direction of twist of wires in strands is opposite to the direction of twist of strands, (b) direction of twist of wires and strands are same, (c) wires in two adjacent strands are twisted in opposite direction, 124.
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