b: Assign document color profile
In leaf springs, the longest leaf is known as A. lower leaf B. master leaf C. upper leaf D. none of these
Surface endurance limit of gear material is dependent upon its A. elastic strength B. yield strength C. brinell hardness number D. toughness
The toughness of a material __________ when it is heated. A. increases B. decreases C. does not change
In a flange coupling, the flanges are coupled together by means of A. bolts and nuts B. studs C. headless taper bolts D. none of these
In a hydrodynamic lubricated bearing A. there is a thick film of lubricant between the journal and the bearing B. there is a thin film of lubricant between the journal and the bearing C. there is no lubricant between the journal and the bearing D. the lubricant is forced between the journal and the bearing, by external pressure
In radial cams, the follower moves A. in a direction perpendicular to the cam axis B. in a direction parallel to the cam axis C. in any direction irrespective of cam axis D. along the cam axis
The taper on cotter varies from A. 1 in l5 to 1 in 10 B. 1 in 24 to 1 in 20 C. 1 in 32 to 1 in 24 D. 1 in 48 to 1 in 24
When a load W is suddenly applied to a bar of weight W1, the stress induced in the bar will increase with the increase in weight W1. A. Correct B. Incorrect
Which of the following statement is correct? A. The toughness of a material increases when it is heated. B. The shear stress in a beam varies from zero at the neutral surface and maximum at the outer fibres. C. The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials. D. The stress concentration in static loading is more serious in ductile materials and less serious in brittle materials.
The rolling contact bearings are known as A. thick lubricated bearings B. plastic bearings C. thin lubricated bearings D. antifriction bearings
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