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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Breif

B Grief

C Diceive

D Recieve

Q2: In under damped vibrating system, the amplitude of vibration

A increases linearly with time

B decreases linearly with time

C decreases exponentially with time

D increases exponentially with time

Q3: The dynamic friction is the friction experienced by a body, when the body

A is in motion

B is at rest

C just begins to slide over the surface of the other body

D none of the above

Q4: The steering of a ship means

A turning of a complete ship in a curve towards right or left, while it moves forward

B movement of a complete ship up and down in vertical plane about transverse axis

C none of the above

D rolling of a complete ship side-ways

Q5: The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

A (1 - c)m.ω2.r(cos θ - sin θ)

B c.m.ω2.r sin θ

C m.ω2.r(cos θ - sin θ)

D m.ω2.r cos θ

Q6: The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

A dedendum

B addendum

C clearance

D working depth

Q7: When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

A none of these

B minimum

C zero

D maximum

Q8: The gears are termed as medium velocity gears, if their peripheral velocity is

A 1 - 3 m/s

B 30 - 50 m/s

C 15 - 30 m/s

D 3 - 15 m/s

Q9: For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks are shown in the below figure. The engine is a

A 60° V-engine

B 30° V-engine

C 150° V-engine

D 120° V-engine

Q10: The frequency of damped vibrations with viscous damping is __________ the frequency of undamped vibrations.

A less than

B same as

C more than