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. If you would like to prevent this website from using cookies, adjust the cookie settings in your browser. Three different weights fall from a certain height under vacuum. a) Fasteningb) Fixturec) Both (a) and (b)d) None of these. 135. In composite or reverse laid 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. Some of the many organizations that write fastener standards are: Standards are absolutely necessary -- otherwise, you'd never know what sort of performance to expect from a fastener -- but realistically, most end users won't be able to understand all of the specifics of these standards. Whether any core is required in wire ropes (a) yes (b) no (c) sometimes (d) rarely (e) very often. 10. Ans: b, 135. 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. Spikes are used for holding rails to the ___ sleepers. The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is (a) larger (b) smaller (c) equal (d) larger/smaller depending on diameter of spring coil (e) unpredictable. I.S. Ans: e, 134. a) Steel b) C.I c) Concreted) None of these. Belt slip may occur due to (a) heavy load (b) loose belt (c) driving pulley too small (d) all of the above (e) none of the above. © All Right Reserved 2016 – 2020 Civil Engineering, Fixtures & Fastening in Railway – MCQ || Railway Engineering ||, Remedies of Plaster Defects – Building Construction, The Lucknow Road Plan || Highway Engineering, Grid Iron System- And their Advantages & Disadvantages, Dead End System - And Their Advantages and Disadvantages, Combined Sewer System And Their Advantages and Disadvantages, TYPES OF RAILS - Double Headed, Bull Headed and Flat Footed Rails, Properties and Function of Bogue's Compounds, 6 Types of Classification of Gradient - Ruling, Limiting, Exceptional, Minimum, Average and Floating Gradient, 10 Types of Roads Classification in India(Urban & Non-Urban Road), 3 Characteristics of Sewage – Physical, Chemical and Biological Characteristics, TYPES OF RAILS – Double Headed, Bull Headed and Flat Footed Rails, 6 Types of Classification of Gradient – Ruling, Limiting, Exceptional, Minimum, Average and Floating Gradient, Railway Gauge – || Definition || Types || Factor Affecting || Advantages of Uniform Gauge ||, 8 Different Types of Cement Test || Building Materials & Construction, Creep of Rails || Causes of Creep of Rails, [110] All Traffic Signs or Road Signs Used in India as per IRC.
If a spring is cut down into two springs, the stiffness of cut springs will be, 111. 26 which of the following community are skilled forest cutters? They will take (a) same time to reach earth (b) times proportional to weight to reach earth (c) times inversely proportional to weight to reach earth (d) unpredictable (e) none of the above. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at (a) shank (b) head (c) in the middle (d) at the thread (e) anywhere in the bolt. 11. Bearing plates are used on wooden sleepers. Ans: a, 109.
Whether any core is required in wire ropes, 127.
101. Ans: c, 136. Our knowledge of the industry standards, fastener technology, and fastener materials ensures an accurate and timely response to virtually any fastener related question. The slotter or slotting machine is also a reciprocating type of machine tool similar to a shaper. Fang nut and bolt is used for fixing _____ to sleepers. Ans: c, 137. 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. Antifriction bearings are (a) sleeve bearings (b) hydrodynamic bearings (c) thin lubricated bearings (d) ball and roller bearings (e) none of the above. (e) 0.9 times the normal diameter of bolt.
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 …
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