Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 8 fn 2 fn 4 fn fn/2 8 fn 2 fn 4 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Slider-crank mechanism Velocity polygon Four bar chain mechanism Acceleration polygon Slider-crank mechanism Velocity polygon Four bar chain mechanism Acceleration polygon ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 180° to each other 120° to each other 45° to each other 90° to each other 180° to each other 120° to each other 45° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Highs peed Any one of these Slow speed Moderate speed Highs peed Any one of these Slow speed Moderate speed ANSWER DOWNLOAD EXAMIANS APP
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