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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Efflorescence

B Efllorescence

C Eflorescence

D Efflorascence

Q2: An automobile steering gear is an example of

A sliding pair

B rolling pair

C lower pair

D higher pair

Q3: The frictional torque transmitted in a multi-collared shaft is same as that of a single collared shaft.

A Right

B Wrong

Q4: In order to give the primary balance of the reciprocating parts of a multi-cylinder in-line engines,

A the algebraic sum of the primary forces must be equal to zero

B the algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero

C both (a) and (b)

D none of these

Q5: The gear train usually employed in clocks is a

A simple gear train

B reverted gear train

C sun and planet gear

D differential gear

Q6: A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

A 1.4 N-s/m

B 18.52 N-s/m

C 52.92 N-s/m

D 529.2 N-s/m

Q7: The cam follower generally used in automobile engines is

A knife edge follower

B fiat faced follower

C spherical faced follower

D roller follower

Q8: The maximum or minimum value of the swaying couple is

A ± c.m.ω2.r

B ± a(1 - c)m.ω2.r

C ± (1 - c)m.ω2.r

D ± 2a(1 - c)m.ω2.r

Q9: For an involute gear, the ratio of base circle radius and pitch circle radius is equal to

A sin φ

B cos φ

C sec φ

D cosec φ

Q10: A chain consisting of four links and four joints is called a kinematic chain.

A Yes

B No