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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Efllorescence

B Efflorascence

C Eflorescence

D Efflorescence

Q2: An automobile steering gear is an example of

A rolling pair

B higher pair

C sliding pair

D lower pair

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

A Wrong

B Right

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

A none of these

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

C both (a) and (b)

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

Q5: The gear train usually employed in clocks is a

A differential gear

B simple gear train

C sun and planet gear

D reverted gear train

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 529.2 N-s/m

C 18.52 N-s/m

D 52.92 N-s/m

Q7: The cam follower generally used in automobile engines is

A fiat faced follower

B knife edge follower

C roller follower

D spherical faced follower

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

A ± a(1 - c)m.ω2.r

B ± 2a(1 - c)m.ω2.r

C ± c.m.ω2.r

D ± (1 - c)m.ω2.r

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

A cosec φ

B sin φ

C cos φ

D sec φ

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

A No

B Yes