| 1. | The mechanism obtained by fixing the sliding pair in single slider crank mechanism is _________ ? | |
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Bull engine
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Oscillating cylinder engine
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Gnome engine
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Crank and slotted lever quick return mechanism
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Report Question| 2. | In the disc-clutch the clutch acts as a ________ ? | |
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driving member
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driven member
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neutral member
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None of these
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| 3. | Which of the following is known as a positive clutch ? | |
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Centrifugal clutch
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Conical clutch
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Dog clutch
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Single plate clutch
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| 4. | What type of gear is used to connect two intersecting shafts ? | |
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Bevel gear
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Helical gear
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Spur gear
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Worm and wheel
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| 5. | Which equation does not provide the velocity ratio of the gear ? | |
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D1/D2
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N1/N2
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T1/T2
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Omega1/omega2
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| 6. | A governor is said to be isochronous, when its equilibrium speed _____ at rotation at all radii of ball ? | |
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is constant
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is not constant
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varies uniformly
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varies non-uniformly
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| 7. | Which of the following governors is also known as dead weight type governor ? | |
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Porter governor
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Watt governor
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Hartnell governor
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Pickering governor
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| 8. | A watt governor in working has a height of 2m. Calculate the speed (in rpm) of the governor ? | |
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21.14
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23.14
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25.14
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26
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| 9. | What does the term jump signifies in cam and follower ? | |
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Follower looses contact with cam surface when follower rotates beyond a particular speed due to gravitational forces.
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Follower looses contact with cam surface when follower rotates beyond a particular speed due to inertial forces.
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Follower gain contact with cam surface when cam rotates beyond a particular speed due to gravitational forces.
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Follower looses contact with cam surface when cam rotates beyond a particular speed due to inertial forces.
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| 10. | The ability of a body to absorb energy and to deform plastically without fracturing is known as ________ ? | |
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creep
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elasticity
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plasticity
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toughness
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