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Q1: How many of the following numbers are divisible by 3 but not by 9 ?
2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

A 5

B 6

C None of these

D 7

Directions to Solve

Find the correctly spelt words.

Q2: (solve as per the direction given above)

A Occurad

B Occured

C Ocurred

D Occurred

Q3: In a coupling rod of a locomotive, each of the four pairs is a __________ pair.

A screw

B turning

C sliding

D rolling

Q4: If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

A 90°

B 180°

C 0°

D 360°

Q5: In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

A total lift, total angle of lift, minimum radius of cam and cam speed

B mass of cam follower linkage, spring stiffness and cam speed

C total lift, centre of gravity of the cam and cam speed

D radius of circular arc, cam speed, location of centre of circular arc and roller diameter

Q6: When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

A isochronous

B unstable

C none of these

D stable

Q7: The factor which affects the critical speed of a shaft is

A diameter of disc

B eccentricity

C all of these

D span of shaft

Q8: The partial balancing of reciprocating parts in locomotives produces

A all of the above

B swaying couple

C hammer blow

D variation in tractive force along the line of stroke

Q9: The pair is known as a higher pair, when the relative motion between the elements of a pair is

A partly turning and partly sliding

B sliding only

C rolling only

D turning only

Q10: When the connection between the two elements is such that only required kind of relative motion occurs, it is known as self-closed pair.

A Wrong

B Right