73251. A bushed pin flexible coupling is used to connect two shafts whose axes intersect at a small angle.
73252. Which of the following property is essential for spring materials?
73253. A steel containing upto 0.15% carbon is known as
73254. The property of a material which enables it to resist fracture due to high impact loads, is called toughness.
73255. The resultant axial load on a bolt depends upon
73256. Wire ropes as compared to cotton ropes
73257. The thickness of key is usually taken equal to one-sixth of diameter of shaft.
73258. Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to
73259. The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.
73260. A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zig-zag riveting is proposed. Which of the following statement is correct?
73261. The form factor of a helical gear __________ with the increase in the helix angle.
73262. The taper on a rectangular sunk key is
73263. When carbon in the cast iron is in the form of cementite, the cast iron will be of white colour.
73264. A castle nut is a locking device in which
73265. If P1 is the initial tension due to tightening up the bolt and P2 is the external load on the bolt, then the resultant load (P) on a bolt may be obtained by using the relation (where a = Ratio of elasticity of connected parts to the elasticity of bolt)
73266. The application of second type levers is found in
73267. The spindles of bench vices are usually provided with knuckle threads.
73268. According to Indian standards, total number of tolerance grades are
73269. An universal coupling is a type of __________ coupling.
73270. When a bolt is subjected to an external load, the stress induced in the bolt will be
73271. If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio
73272. The included angle for the British standard whitworth thread is
73273. Failure of a material is called fatigue when it fails
73274. The strength of a riveted joint is equal to
73275. Who is known as Kerala Valmiki?
73276. When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
73277. The transverse fillet welded joints are designed for
73278. The centrifugal tension in the belt
73279. According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be
73280. The buckling load will be maximum for a column, if
73281. The cap screws are
73282. In skew bevel gearing, the axes of shafts are
73283. A chain drive transmits __________ power as compared to belt drive.
73284. If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will
73285. When the fulcrum is in between the load and effort, the lever is said to be of
73286. The ball bearings are, usually, made from
73287. The V-belt is used to transmit great amount of power and when the two pulleys are very near to each other.
73288. A coupling used to connect two perfectly aligned shafts, is
73289. In a nut and bolt, the diameter at which the ridges on the bolt are in complete touch with the ridges of the corresponding nut, is called pitch diameter.
73290. A double strap butt joint (with equal straps) is
73291. For a bevel gear having the pitch angle θ , the ratio of formative number of teeth (TE) to actual number of teeth (T) is
73292. The modulus of elasticity for mild steel is approximately equal to
73293. A connecting rod subjected to an axial load may buckle with
73294. A type of brake commonly used in motor cars is a
73295. The sleeve or muff coupling is designed as a
73296. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.
73297. Screws used for power transmission should have
73298. The number of rivets in shear shall be equal to the number of rivets in crushing.
73299. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
73300. The salaries of Raju and Ramu together amount to Rs.12,000. Raju spents 85% of his salary and Ramu 75% of his. Ifnow the savings are the same, what is Ramu’s salary?