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You Are On Multi Choice Question Bank SET 1455

72751. In a flange coupling, the flanges are coupled together by means of





72752. A transmission shaft includes





72753. According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)





72754. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called





72755. Slenderness ratio is the ratio of





72756. A crankshaft is a __________ shaft.



72757. According to Indian standard specifications, 100 H6/g5 means that the





72758. Neither of them ......... given the correct answer.?





72759. The velocity of sliding __________ the distance of the point of contact from the pitch point.





72760. A column is known as a long column if the slenderness ratio is





72761. Circumferential joint in boilers is used to get the required length of a boiler.



72762. The ball bearings are provided with a cage





72763. When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be





72764. In radial cams, the follower moves





72765. The square threads are not so strong as V-threads but they offer less frictional resistance to motion than Whitworth threads.



72766. According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)





72767. In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)





72768. The value of stress concentration factor depends upon





72769. Which of the following material has the maximum ductility?





72770. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the





72771. In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.



72772. An open belt drive is used when





72773. In unilateral system of tolerance, the tolerance is allowed on





72774. The constant factor in case of R10 series of preferred numbers is





72775. The pipe joint mostly used for pipes carrying water at low pressures is





72776. According to Guest's theory, the failure occurs at a point in a member when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in simple tension test.



72777. For maximum power, the velocity of the belt will be


72778. Surface endurance limit of gear material is dependent upon its





72779. In a hydrodynamic lubricated bearing





72780. Which of the following statement is correct for gears?





72781. A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)





72782. Stress concentration is caused due to





72783. The resistance to fatigue of a material is measured by




72784. The load cup of a screw jack is made separate from the head of the spindle to





72785. Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that




72786. The famous book ‘Resurrection’ is written by?





72787. A seed dispersed with the help of hairs on it is?





72788. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.



72789. The rolling contact bearings are known as





72790. The backlash for spur gears depends upon





72791. The size of a gear is usually specified by





72792. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be





72793. The bearings of heavy series have capacity __________ over the medium series.





72794. A steel containing more than 0.8% carbon is known as eutectoid steel.



72795. In leaf springs, the longest leaf is known as





72796. The taper on cotter varies from





72797. Which of the following screw thread is used for power transmission in one direction only.





72798. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.





72799. The rolling contact bearings as compared to sliding contact bearings have





72800. The maximum normal stress theory is used for





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