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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Grief

B Recieve

C Diceive

D Breif

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

A decreases exponentially with time

B increases linearly with time

C increases exponentially with time

D decreases linearly with time

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

A is in motion

B none of the above

C is at rest

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

Q4: The steering of a ship means

A none of the above

B rolling of a complete ship side-ways

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

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

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 c.m.ω2.r sin θ

B m.ω2.r(cos θ - sin θ)

C m.ω2.r cos θ

D (1 - c)m.ω2.r(cos θ - sin θ)

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

A working depth

B addendum

C clearance

D dedendum

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

A maximum

B minimum

C none of these

D zero

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

A 1 - 3 m/s

B 3 - 15 m/s

C 30 - 50 m/s

D 15 - 30 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 150° V-engine

C 30° V-engine

D 120° V-engine

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

A same as

B less than

C more than